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pkm 4000 pi 15-20a dc/dc power modules 48v input, (1.5v-1.8v-2.5v-3.3v-5v) outputs ? high efficiency 92% typ (5v) at full load ? fast dynamic response, 100?, + - 150 mvpeak typ ? low output ripple, 60 mvp-p typ ? high power density, 44 w/in 3 (5.0v) ? wide input voltage range (36-75v) ? industry standard footprint & pin-out ? 1,500vdc isolation voltage ? max case temperature +100? ?ul 1950/ul c 1950 recognized ? tuv to en60 950 type approved the pkm 4000 series represents a third generation of high density dc/dc power modules in an industry standard quarter- brick package with unparalleled power densities and efficiencies. these breakthrough performance features have been achieved by using the most advanced patented topology, utilizing integrated magnetics and synchronous rectification on a low resistivity multilayer pcb. the product features fast dynamic response times and low output ripple, which are important parameters when supplying low voltage logics. the pkm 4000 series is especially suited for limited board space and high dynamic load applications such as demanding microprocessors. ericssons pkm 4000 power modules address the converging new telecoms market by specifying the input voltage range in accordance with etsi specifications. the pkm 4000 series also offers over-voltage protection, under-voltage protection, over-temperature protection, soft-start, and is short circuit proof. these products are manufactured using highly automated manufacturing lines with a world-class quality commitment and a five-year warrant y . ericsson inc. , microelectronics has been an iso 9001 certified supplier since 1991. for a complete product program please reference the back page.
data sheet ae/lzt 108 4913 r2 ?ericsson inc., microelectronics, may 2001 characteristics min max unit t c maximum operating case temperature -40 +100 ? t s storage temperature -40 +125 ? v i input voltage -0.5 +80 vdc v iso isolation voltage 1,500 vdc (input to output test voltage) v rc remote control voltage 12 vdc i 2 t inrush transient 1 a 2 s characteristics conditions min typ max unit v i input voltage 36 75 vdc range v ioff turn-off input ramping from 31 33 vdc voltage higher voltage v ion turn-on input ramping from 34 36 vdc voltage lower voltage c i input capacitance 1.5 f i iac reflected 5 hz to 20 mhz 10 ma p-p ripple current i i max maximum input v i = v i min 75 w 1.8 a current 100 w 2.3 p ii input idling power i o = 0 2.6 4.6 w p rc input stand-by power v i = 50v rc open 0.4 0.6 w (turned off with rc) vtrim maximum input 6 vdc voltage on trim pin characteristics test procedure & conditions random iec 68-2-34f c frequency 10...500 hz vibration spectral density 0.025 g2/hz duration 10 min in each direction sinusoidal iec 68-2-6 f c frequency 10-500 hz vibration amplitude 0.75mm acceleration 10g number of cycles 10 in each axis shock iec 68-2-27 e a peak acceleration 100 g (half sinus) duration 3ms temperature iec 68-2-14 n a temperature -40 c...+100 c change number of cycles 300 accelerated iec 68-2-3 c a temperature 85 c damp heat with bias humidity 85% rh duration 1000 hours solder iec 68-2-20 t b temperature, solder 260 c resistibility method ia duration 10...13 s general absolute maximum ratings input t c < t cmax environmental characteristics 2 stress in excess of absolute maximum ratings may cause permanent damage. absolute maximum ratings, sometimes referred to as no destruction limits, are normally tested with one parameter at a time exceeding the limits of output data or electrical characteristics. if exposed to stress above these limits, function and performance may degrade in an unspecified manner. for design margin and to enhance system reliability, it is recommended that the pkm 4000 series dc/dc power modules are operated at case temperatures below 90c. safety the pkm 4000 series dc/dc power modules are designed in accordance with en 60 950, safety of information technology equipment including electrical business equipment and are tuv type approved. the pkm 4000 dc/dc power modules are also recognized by ul and meet the applicable requirements in ul 1950, safety of information technology equipment and applicable canadian safety requirements, i.e. ul c 1950. the isolation is an operational insulation in accordance with en 60 950. the dc/dc power module should be installed in end-use equipment, in compliance with the requirements of the ultimate application, and is intended to be supplied by an isolated secondary circuit. consideration should be given to measuring the case temperature to comply with t c max when in operation. when the supply to the dc/dc power module meets all the requirements for selv (<60vdc), the output is considered to remain within selv limits (level 3). if connected to a 60v dc power system, reinforced insulation must be provided in the power supply that isolates the input from the mains. single fault testing in the power supply must be performed in combination with the dc/dc power module to demonstrate that the output meets the requirement for selv. one pole of the input and one pole of the output is to be grounded or both are to be kept floating.
3 data sheet ae/lzt 108 4913 r2 ? ericsson inc., microelectronics, may 2001 designation function pin # (for ref.) -in negative input 1 on/off remote control (primary). to turn-on 2 and turn-off the output +in positive input 3 -out negative output 4 -sen negative remote sense 5 trim output voltage adjust 6 +sen positive remote sense 7 +out positive output 8 connections weight 55 grams case aluminum baseplate with metal standoffs. pins pin material: brass pin plating: tin/lead over nickel . mechanical data safety (continued) the galvanic isolation is verified in an electric strength test. the test voltage (v iso ) between input and output is 1,500 vdc or 60 sec. leakage current is less than 1 a @ 50vdc. flammability ratings of the terminal support and internal plastic construction details meet ul 94v-0. a fuse should be used at the input of each pkm 4000 series power module. if a fault occurs in the power module, that imposes a short on the input source, this fuse will provide the following two functions: ? isolate the failed module from the input source so that the remainder of the system may continue operation. ? protect the distribution wiring from overheating. a fast blow fuse should be used with a rating of 10a or less. it is recommended to use a fuse with the lowest current rating, that is suitable for the application.
4 data sheet ae/lzt 108 4913 r2 ? ericsson inc., microelectronics, may 2001 0 0102030405060708090100 5 10 15 20 output current derating (no heatsink) for 1.5v/20a pkm4318pioa 2.0 m/s 1.5 m/s 1.0 m/s 0.5 m/s 0.2 m/s natural convection 3.0 m/s 2.5 m/s 0 1020304050 60708090100 0 5 10 15 output current derating (no heatsink) for 1.5v/15a pkm4218pioa 2.0 m/s 2.5 m/s 3.0 m/s 1.5 m/s 1.0 m/s 0.5 m/s 0.2 m/s natural convection 0102030405060708090100 0 5 10 15 20 output current derating (no heatsink) for 1.8v/20a pkm4318pi 2.0 m/s 1.5 m/s 1.0 m/s 0.5 m/s 0.2 m/s natural convection 3.0 m/s 2.5 m/s 0 1020304050 60708090100 0 5 10 15 output current derating (no heatsink) for 1.8v/15a pkm4218pi 2.0 m/s 2.5 m/s 3.0 m/s 1.5 m/s 1.0 m/s 0.5 m/s 0.2 m/s natural convection 0 1020304050 60708090100 0 5 10 15 20 output current derating (no heatsink) for 2.5v/20a pkm4519pi 2.0 m/s 1.5 m/s 1.0 m/s 0.5 m/s 0.2 m/s natural convection 3.0 m/s 2.5 m/s 0 1020304050 60708090100 0 5 10 15 output current derating (no heatsink) for 2.5v/15a pkm4319pi 2.0 m/s 2.5 m/s 3.0 m/s 1.5 m/s 1.0 m/s 0.5 m/s 0.2 m/s natural convection airflow conversion table m/s lfm 0.5 100 1.0 200 1.5 300 2.0 400 2.5 500 3.0 600 note: natural convection average airflow speed can vary from 0.05 m/s to 0.2 m/s. thermal data the pkm 4000 series dc/dc power modules has a robust thermal design which allows operation at case (baseplate) temperatures (t c ) up to +100c. the main cooling mechanism is convection (free or forced) through the case or optional heatsinks. the graphs below show the allowable maximum output current to maintain a maximum +100c case temperature. note that the ambient temperature is the air temperature adjacent to the power module which is typically elevated above the room environmental temperature.
0 1020304050 60708090100 0 5 10 15 20 output current derating (no heatsink) for 3.3v pkm 4610pi and pkm 4510pi 1.5 m/s 1.0 m/s 0.5 m/s 0.2 m/s natural convection 3.0 m/s 2.5 m/s 2.0 m/s 0 0102030405060708090100 5 10 15 20 output current derating (no heatsink) for 5v pkm4111pi and pkm4711pi 1.0 m/s 0.5 m/s 0.2 m/s natural convection 3.0 m/s 2.5 m/s 2.0 m/s 1.5 m/s 5 data sheet ae/lzt 108 4913 r2 ? ericsson inc., microelectronics, may 2001 thermal data the graphs below can be used to estimate case temperatures for given system operating conditions (see thermal design). for further information on optional heatsinks, please contact your local ericsson sales office. 0 10 20 30 40 50 60 70 80 90 100 6 5 4 3 2 1 0 allowable power dissipation vs. ambient temp for 1.5v pkm4318pioa and pkm4218pioa 2.0 m/s 1.5 m/s 1.0 m/s 0.5 m/s 0.2 m/s natural convection 3.0 m/s 2.5 m/s 0 1020304050 60708090100 7 6 5 4 3 2 1 0 allowable power dissipation vs. ambient temp for 1.8v pkm4318pi and pkm4218pi 2.0 m/s 1.5 m/s 1.0 m/s 0.5 m/s 0.2 m/s natural convection 3.0 m/s 2.5 m/s a ll b e ndin g p oin ts a re at 5 .5w 0 0 1020304050 60708090100 2 4 6 8 10 12 allowable power dissipation vs. ambient temp for 3.3v pkm 4610pi and pkm 4510pi 1.5 m/s 1.0 m/s 0.5 m/s 0.2 m/s natural convection 3.0 m/s 2.5 m/s 2.0 m/s 0 1020304050 60708090100 9 8 7 6 5 4 3 2 1 0 allowable power dissipation vs. ambient temp for 2.5v pkm4519pi and pkm4319pi 1.0 m/s 0.5 m/s 0.2 m/s natural convection 3.0 m/s 2.5 m/s 2.0 m/s 1.5 m/s all bending points are at 6w 0 1020304050 60708090100 16 14 12 10 8 6 4 2 0 allowable power dissipation vs. ambient temp for 5v pkm4111pi and pkm4711pi 1.0 m/s 0.5 m/s 0.2 m/s natural convection 3.0 m/s 2.5 m/s 2.0 m/s 1.5 m/s note: for conversion from m/s to lfm please see conversion table on pg. 4.
6 data sheet ae/lzt 108 4913 r2 ? ericsson inc., microelectronics, may 2001 thermal data 0 5 10 15 5 4 3 2 1 0 power dissipation vs. output current for 1.5v/15a pkm4218pioa vi=72v vi=60v vi=48v vi=36v power dissipation (w) output current (a) 0 5 10 15 20 7 6 5 4 3 2 1 0 power dissipation vs. output current for 1.8v/20a pkm4318pi vi=72v vi=60v vi=48v vi=36v power dissipation (w) output current (a) 0 5 10 15 power dissipation vs. output current for 1.8v/15a pkm4218pi vi=72v vi=60v vi=48v vi=36v power dissipation (w) output current (a) 6 5 4 3 2 1 0 0 5 10 15 20 8 6 4 2 0 power dissipation vs. output current for 2.5v/20a pkm4519pi vi=72v vi=60v vi=48v vi=36v power dissipation (w) output current (a) 6 5 4 3 2 1 0 0 5 10 15 power dissipation vs. output current for 2.5v/15a pkm4319pi vi=72v vi=60v vi=48v vi=36v power dissipation (w) output current (a) 0 5 10 15 20 6 5 4 3 2 1 0 power dissipation vs. output current for 1.5v/20a pkm4318pioa vi=72v vi=60v vi=48v vi=36v power dissipation (w) output current (a)
7 data sheet ae/lzt 108 4913 r2 ? ericsson inc., microelectronics, may 2001 0 5 10 15 6 5 4 3 2 1 0 power dissipation vs. output current for 3.3v/15a pkm4510pi vi=72v vi=60v vi=48v vi=36v power dissipation (w) output current (a) 0 5 10 15 20 12 10 8 6 4 2 0 power dissipation vs. output current for 5v/20a pkm4111pi vi=72v vi=60v vi=48v vi=36v power dissipation (w) output current (a) 0 5 10 15 8 7 6 5 4 3 2 1 0 power dissipation vs. output current for 5v/15a pkm4711pi vi=72v vi=60v vi=48v vi=36v power dissipation (w) output current (a) thermal data 0 0 5 10 15 20 2 4 6 8 10 power dissipation vs. output current for 3.3v/20a pkm4610pi vi=72v vi=60v vi=48v vi=36v power dissipation (w) output current (a)
8 data sheet ae/lzt 108 4913 r2 ? ericsson inc., microelectronics, may 2001 0 0 0.5 1 1.5 2 3 2.5 2 4 6 8 10 air flow (m/s) case to ambient thermal resistance pkm 4000 series thermal design the thermal data can be used to determine thermal performance without a heatsink. case temperature is calculated by the following formula: t c = t a + p d x r th c-a (?c/w)where p d = p o (1/ - 1) where: t c : case temperature t a : local ambient temperature p d : dissipated power r th c-a : thermal resistance from t c to t a p o : output power : efficiency the efficiency can be found in the tables on the following pages. for design margin and to enhance system reliability, it is recommended that the pkm 4000 series dc/dc power modules are operated at case temperatures below 90c.
9 data sheet ae/lzt 108 4913 r2 ? ericsson inc., microelectronics, may 2001 pkm 4318 pioa (30w) t c = -40...+100?, v i = 36...75v dc unless otherwise specified. characteristics conditions output min typ max unit v oi output voltage initial t c = +25 c, v i = 53v, i o = i o max 1.48 1.5 1.52 v setting and accuracy output adjust range i o = 0 to i o max 1.2 1.66 v v o output voltage i o = 0 to i o max 1.43 1.58 v tolerance band line regulation i o = i o max 310 mv load regulation v i = 53v, i o = 0 to i o max 310 mv v tr load transient load step = 0.25 x i o max 150 mv peak voltage deviation di/dt = 1a/s t tr load transient 100 s recovery time t s start-up time from v i connection to v o = 0.9 x v o nom 25 40 ms i o output current 0 20 a p o max max output power at v o = v o nom 30 w i iim current limit threshold v o = 0.96 v o nom @ t c <100 c 212426 a i sc short circuit current 24 28 a v oac output ripple and noise i o = i o max f< 20 mhz 70 150 mvp-p svr supply voltage f<1khz -53 db rejection (ac) ovp over voltage protection vin = 50v 2.2 2.5 2.8 v output characteristics conditions min typ max unit efficiency t a = +25 c, v i = 53v, i o = i o max 87 % p d power dissipation t a = +25 c, v i = 53v, i o = i o max 4.5 w f o switching frequency i o = 0...1.0 x i o max 200 khz miscellaneous
10 data sheet ae/lzt 108 4913 r2 ? ericsson inc., microelectronics, may 2001 pkm 4218 pioa (22.5w) t c = -40...+100 c, v i = 36...75v dc unless otherwise specified. characteristics conditions output min typ max unit v oi output voltage initial t c = +25 c, v i = 53v, i o = i o max 1.48 1.5 1.52 v setting and accuracy output adjust range i o = 0 to i o max 1.2 1.66 v v o output voltage i o = 0 to i o max 1.43 1.58 v tolerance band line regulation i o = i o max 310 mv load regulation v i = 53v, i o = 0 to i o max 310 mv v tr load transient load step = 0.25 x i o max 150 mv peak voltage deviation di/dt = 1a/s t tr load transient 100 s recovery time t s start-up time from v i connection to v o = 0.9 x v o nom 25 40 ms i o output current 0 15 a p o max max output power at v o = v o nom 22.5 w i iim current limit threshold v o = 0.96 v o nom @ t c <100 c 161821 a i sc short circuit current 20 23 a v oac output ripple and noise i o = i o max f< 20 mhz 70 150 mvp-p svr supply voltage f<1khz -53 db rejection (ac) ovp over voltage protection vin = 50v 2.2 2.5 2.8 v output characteristics conditions min typ max unit efficiency t a = +25 c, v i = 53v, i o = i o max 87 % p d power dissipation t a = +25 c, v i = 53v, i o = i o max 3.4 w f o switching frequency i o = 0...1.0 x i o max 200 khz miscellaneous
11 data sheet ae/lzt 108 4913 r2 ? ericsson inc., microelectronics, may 2001 pkm 4318 pi (36w) t c = -40...+100 c, v i = 36...75v dc unless otherwise specified. characteristics conditions output min typ max unit v oi output voltage initial t c = +25 c, v i = 53v, i o = i o max 1.77 1.8 1.83 v setting and accuracy output adjust range i o = 0 to i o max 1.44 2.0 v v o output voltage i o = 0 to i o max 1.71 1.89 v tolerance band line regulation i o = i o max 310 mv load regulation v i = 53v, i o = 0 to i o max 310 mv v tr load transient load step = 0.25 x i o max 150 mv peak voltage deviation di/dt = 1a/s t tr load transient 100 s recovery time t s start-up time from v i connection to v o = 0.9 x v o nom 25 40 ms i o output current 0 20 a p o max max output power at v o = v o nom 36 w i iim current limit threshold v o = 0.96 v o nom @ t c <100 c212426a i sc short circuit current 24 28 a v oac output ripple and noise i o = i o max f< 20 mhz 70 150 mvp-p svr supply voltage f<1khz -53 db rejection (ac) ovp over voltage protection vin = 50v 2.5 2.8 3.0 v output characteristics conditions min typ max unit efficiency t a = +25 c, v i = 53v, i o = i o max 88 % p d power dissipation t a = +25 c, v i = 53v, i o = i o max 4.9 w f o switching frequency i o = 0...1.0 x i o max 200 khz miscellaneous
12 data sheet ae/lzt 108 4913 r2 ? ericsson inc., microelectronics, may 2001 pkm 4218 pi (27w) t c = -40...+100 c, v i = 36...75v dc unless otherwise specified. characteristics conditions output min typ max unit v oi output voltage initial t c = +25 c, v i = 53v, i o = i o max 1.77 1.8 1.83 v setting and accuracy output adjust range i o = 0 to i o max 1.44 2.0 v v o output voltage i o = 0 to i o max 1.71 1.89 v tolerance band line regulation i o = i o max 310 mv load regulation v i = 53v, i o = 0 to i o max 310 mv v tr load transient load step = 0.25 x i o max 150 mv peak voltage deviation di/dt = 1a/s t tr load transient 100 s recovery time t s start-up time from v i connection to v o = 0.9 x v o nom 25 40 ms i o output current 0 15 a p o max max output power at v o = v o nom 27 w i iim current limit threshold v o = 0.96 v o nom @ t c <100 c161821a i sc short circuit current 24 28 a v oac output ripple and noise i o = i o max f< 20 mhz 70 150 mvp-p svr supply voltage f<1khz -53 db rejection (ac) ovp over voltage protection vin = 50v 2.5 2.8 3.0 v output characteristics conditions min typ max unit efficiency t a = +25 c, v i = 53v, i o = i o max 89 % p d power dissipation t a = +25 c, v i = 53v, i o = i o max 3.3 w f o switching frequency i o = 0...1.0 x i o max 200 khz miscellaneous
13 data sheet ae/lzt 108 4913 r2 ? ericsson inc., microelectronics, may 2001 pkm 4519 pi (50w) t c = -40...+100 c, v i = 36...75v dc unless otherwise specified. characteristics conditions output min typ max unit v oi output voltage initial t c = +25 c, v i = 53v, i o = i o max 2.45 2.5 2.55 v setting and accuracy output adjust range i o = 0 to i o max 2.0 2.75 v v o output voltage i o = 0 to i o max 2.4 2.6 v tolerance band line regulation i o = i o max 310 mv load regulation v i = 53v, i o = 0 to i o max 310 mv v tr load transient load step = 0.25 x i o max 150 mv peak voltage deviation di/dt = 1a/s t tr load transient 100 s recovery time t s start-up time from v i connection to v o = 0.9 x v o nom 25 40 ms i o output current 020a p o max max output power at v o = v o nom 50 w i iim current limit threshold v o = 0.96 v o nom @ t c <100 c 212426 a i sc short circuit current 26 30 a v oac output ripple and noise i o = i o max f< 20 mhz 60 100 mvp-p svr supply voltage f<1khz -53 db rejection (ac) ovp over voltage protection vin = 50v 3.2 3.7 4.2 v output characteristics conditions min typ max unit efficiency t a = +25 c, v i = 53v, i o = i o max 89 % p d power dissipation t a = +25 c, v i = 53v, i o = i o max 6.2 w f o switching frequency i o = 0...1.0 x i o max 200 khz miscellaneous
14 data sheet ae/lzt 108 4913 r2 ? ericsson inc., microelectronics, may 2001 pkm 4319 pi (37.5w) t c = -40...+100 c, v i = 36...75v dc unless otherwise specified. characteristics conditions output min typ max unit v oi output voltage initial t c = +25 c, v i = 53v, i o = i o max 2.45 2.5 2.55 v setting and accuracy output adjust range i o = 0 to i o max 2.0 2.75 v v o output voltage i o = 0 to i o max 2.4 2.6 v tolerance band line regulation i o = i o max 310 mv load regulation v i = 53v, i o = 0 to i o max 310 mv v tr load transient load step = 0.25 x i o max 150 mv peak voltage deviation di/dt = 1a/s t tr load transient 100 s recovery time t s start-up time from v i connection to v o = 0.9 x v o nom 25 40 ms i o output current 015a p o max max output power at v o = v o nom 37.5 w i iim current limit threshold v o = 0.96 v o nom @ t c <100 c 161821 a i sc short circuit current 26 30 a v oac output ripple and noise i o = i o max f< 20 mhz 60 100 mvp-p svr supply voltage f<1khz -53 db rejection (ac) ovp over voltage protection vin = 50v 3.2 3.7 4.2 v output characteristics conditions min typ max unit efficiency t a = +25 c, v i = 53v, i o = i o max 89 % p d power dissipation t a = +25 c, v i = 53v, i o = i o max 4.6 w f o switching frequency i o = 0...1.0 x i o max 200 khz miscellaneous
15 data sheet ae/lzt 108 4913 r2 ? ericsson inc., microelectronics, may 2001 characteristics conditions output min typ max unit v oi output voltage initial t c = +25 c, v i = 53v, i o = i o max 3.25 3.30 3.35 v setting and accuracy output adjust range i o = 0 to i o max 2.64 3.63 v v o output voltage i o = 0 to i o max 3.2 3.4 v tolerance band line regulation i o = i o max 310 mv load regulation v i = 53v, i o = 0 to i o max 310 mv v tr load transient load step = 0.25 x i o max 150 mvpeak voltage deviation di/dt = 1a/s t tr load transient 100 s recovery time t s start-up time from v i connection to v o = 0.9 x v o nom 25 40 ms i o output current 0 20 a p o max max output power at v o = v o nom 66 w i lim current limit threshold v o = 0.90 x v o nom @ t c <100 c212426a i sc short circuit current 24 28 a v o ac output ripple and noise i o = i o max f < 20 mhz 60 100 mvp-p svr supply voltage f<1 khz -53 db rejection ovp overvoltage protection v i = 53v 3.9 4.4 5.0 v output pkm 4610 pi (66w) t c = -40...+100 c, v i = 36...75v dc unless otherwise specified. characteristics conditions min typ max unit efficiency t a = +25 c, v i = 53v, i o = i o max 89 % p d power dissipation t a = +25 c, v i = 53v, i o = i o max 8.2 w f o switching frequency i o = 0...1.0 x i o max 150 khz miscellaneous
characteristics conditions output min typ max unit v oi output voltage initial t c = +25 c, v i = 53v, i o = i o max 3.25 3.30 3.35 v setting and accuracy output adjust range i o = 0 to i o max 2.64 3.63 v v o output voltage i o = 0 to i o max 3.2 3.4 v tolerance band line regulation i o = i o max 310 mv load regulation v i = 53v, i o = 0 to i o max 310 mv v tr load transient load step = 0.25 x i o max 150 mvpeak voltage deviation di/dt = 1a/s t tr load transient 100 s recovery time t s start-up time from v i connection to v o = 0.9 x v o nom 25 40 ms i o output current 0 15 a p o max max output power at v o = v o nom 50 w i lim current limit threshold v o = 0.90 x v o nom @ t c <100 c161821a i sc short circuit current 20 23 a v o ac output ripple and noise i o = i o max f < 20 mhz 60 100 mvp-p svr supply voltage f<1 khz -53 db rejection ovp overvoltage protection v i = 53v 3.9 4.4 5.0 v output pkm 4510 pi (50w) t c = -40...+100 c, v i = 36...75v dc unless otherwise specified. 16 data sheet ae/lzt 108 4913 r2 ? ericsson inc., microelectronics, may 2001 characteristics conditions min typ max unit efficiency t a = +25 c, v i = 53v, i o = i o max 91 % p d power dissipation t a = +25 c, v i = 53v, i o = i o max 4.9 w f o switching frequency i o = 0...1.0 x i o max 150 khz miscellaneous
17 data sheet ae/lzt 108 4913 r2 ? ericsson inc., microelectronics, may 2001 characteristics conditions output min typ max unit v oi output voltage initial t c = +25 c, v i = 53v, i o = i o max 4.9 5.0 5.1 v setting and accuracy output adjust range i o = 0 to i o max, v i = 38...75v dc 4.0 5.5 v v o output voltage i o = 0 to i o max 4.85 5.15 v tolerance band line regulation v i = 38...75v, i o = i o max 310 mv load regulation v i = 53v, i o = 0 to i o max 310 mv v tr load transient load step = 0.25 x i o max 150 mv peak voltage deviation di/dt = 1a/s t tr load transient 200 s recovery time t s start-up time from v i connection to v o = 0.9 x v o nom 60 90 ms i o output current 020a p o max max output power at v o = v o nom 100 w i iim current limit threshold v o = 0.96 v o nom @ t c <100 c 212426 a i sc short circuit current 24 28 a v oac output ripple and noise i o = i o max f< 20 mhz 85 150 mvp-p svr supply voltage f<1khz -53 db rejection (ac) ovp over voltage protection vin = 50v 5.8 6.2 6.5 v output characteristics conditions min typ max unit efficiency t a = +25 c, v i = 53v, i o = i o max 90 % p d power dissipation t a = +25 c, v i = 53v, i o = i o max 11.1 w f o switching frequency i o = 0...1.0 x i o max 200 khz miscellaneous pkm 4111 pi (100w) t c = -40...+100 c, v i = 36...75v dc unless otherwise specified.
18 data sheet ae/lzt 108 4913 r2 ? ericsson inc., microelectronics, may 2001 characteristics conditions output min typ max unit v oi output voltage initial t c = +25 c, v i = 53v, i o = i o max 4.9 5.0 5.1 v setting and accuracy output adjust range i o = 0 to i o max, v i = 38...75v dc 4.0 5.5 v v o output voltage i o = 0 to i o max 4.85 5.15 v tolerance band line regulation v i = 38...75v, i o = i o max 310 mv load regulation v i = 53v, i o = 0 to i o max 310 mv v tr load transient load step = 0.25 x i o max 150 mv peak voltage deviation di/dt = 1a/s t tr load transient 200 s recovery time t s start-up time from v i connection to v o = 0.9 x v o nom 60 90 ms i o output current 015a p o max max output power at v o = v o nom 75 w i iim current limit threshold v o = 0.96 v o nom @ t c <100 c 161821 a i sc short circuit current 24 28 a v oac output ripple and noise i o = i o max f< 20 mhz 85 150 mvp-p svr supply voltage f<1khz -53 db rejection (ac) ovp over voltage protection vin = 50v 5.8 6.2 6.5 v output characteristics conditions min typ max unit efficiency t a = +25 c, v i = 53v, i o = i o max 92 % p d power dissipation t a = +25 c, v i = 53v, i o = i o max 6.5 w f o switching frequency i o = 0...1.0 x i o max 200 khz miscellaneous pkm 4711 pi (75w) t c = -40...+100 c, v i = 36...75v dc unless otherwise specified.
19 data sheet ae/lzt 108 4913 r2 ? ericsson inc., microelectronics, may 2001 pkm 4318 pioa (30w) pkm 4218 pioa (22.5w) 51015 20 60 65 70 75 80 85 90 95 36v 48v 60v 72v efficiency output current (a) efficiency (%) 0 5 10 15 20 25 30 0 1 2 3 output characteristics output current (a) output voltage (v) (48vin) 510 15 60 65 70 75 80 85 90 95 36v 48v 60v 72v efficiency output current (a) efficiency (%) 0 5 10 15 20 25 0 1 2 3 output characteristics output current (a) output voltage (v) (48vin)
20 data sheet ae/lzt 108 4913 r2 ? ericsson inc., microelectronics, may 2001 pkm 4318 pi (36w) pkm 4218 pi (27w) 51015 20 60 65 70 75 80 85 90 95 36v 48v 60v 72v efficiency output current (a) efficiency (%) 0 5 10 15 20 25 30 0 1 2 3 output characteristics output current (a) output voltage (v) (48vin) 510 15 60 65 70 75 80 85 90 95 36v 48v 60v 72v efficiency output current (a) efficiency (%) 05101520 25 0 1 2 3 output characteristics output current (a) output voltage (v) (48vin)
21 data sheet ae/lzt 108 4913 r2 ? ericsson inc., microelectronics, may 2001 pkm 4519 (50w) pkm 4319 pi (37.5w) 51015 20 72 74 76 78 80 82 84 86 88 90 92 36v 48v 60v 72v efficiency output current (a) efficiency (%) 0 5 10 15 20 25 30 0 1 2 3 output characteristics output current (a) output voltage (v) (48vin) 510 15 72 74 76 78 80 82 84 86 88 90 92 36v 48v 60v 72v efficiency output current (a) efficiency (%) 0 5 10 15 20 25 0 1 2 3 output characteristics output current (a) output voltage (v) (48vin)
22 data sheet ae/lzt 108 4913 r2 ? ericsson inc., microelectronics, may 2001 pkm 4610 pi (66w) pkm 4510 pi (50w) 51015 20 82 84 86 88 90 92 94 36v 48v 60v 72v efficiency output current (a) efficiency (%) 0 5 10 15 20 25 0 1 2 3 4 output characteristics output current (a) output voltage (v) (48vin) 510 15 82 84 86 88 90 92 94 36v 48v 60v 72v efficiency output current (a) efficiency (%) 0 5 10 15 20 25 0 1 2 3 4 output characteristics output current (a) output voltage (v) (48vin)
23 data sheet ae/lzt 108 4913 r2 ? ericsson inc., microelectronics, may 2001 pkm 4111 pi (100w) pkm 4711 pi (75w) 51015 20 82 84 86 88 90 92 94 36v 48v 60v 72v efficiency output current (a) efficiency (%) 0 5 10 15 20 25 30 0 1 2 3 4 5 6 output characteristics output current (a) output voltage (v) (48vin) 510 15 82 84 86 88 90 92 94 36v 48v 60v 72v efficiency output current (a) efficiency (%) 0 5 10 15 20 25 0 1 2 3 4 5 6 output characteristics output current (a) output voltage (v) (48vin)
emc specifications the pkm power module is mounted on a double sided printed circuit board pcb with groundplane during emc measurements. the fundamental switching frequency is 150 khz @ i o = i o max . conducted emi input terminal value with 100f capacitor (typ) and additional pi filter. 0.68 f l1 l3 l2 0.68 f 0.68 f 47 f 10nf 4.7nf 4.7nf 3.3nf 3.3nf 47 f 10nf external filter (class b) required external input filter in order to meet class b in en 55022, cispr 22 and fcc part 15j. l1: 450h tdk tf1028s-451y3r-01 l2 & l3: 22h coilcraft d05 22p-23 *the baseplate is floated. 24 data sheet ae/lzt 108 4913 r2 ? ericsson inc., microelectronics, may 2001 class a class b
25 data sheet ae/lzt 108 4913 r2 ? ericsson inc., microelectronics, may 2001 remote sense all pkm 4000 series dc/dc power modules have remote sense that can be used to compensate for moderate amounts of resistance in the distribution system and allow for voltage regulation at the load or other selected point. the remote sense lines will carry very little current and do not need a large cross sectional area. however, the sense lines on a pcb should be located close to a ground trace or ground plane. in a discrete wiring situation, the usage of twisted pair wires or other technique for reducing noise susceptibility is recommended. the power module will compensate for up to 0.5v voltage drop between the sense voltage and the voltage at the power module output pins. the output voltage and the remote sense voltage offset must be less than the minimum overvoltage trip point. current limiting general characteristics all pkm 4000 series dc/dc power modules include current limiting circuitry that makes them able to withstand continuous overloads or short circuit conditions on the output. the output voltage will decrease toward zero for heavy overloads. the power module will resume normal operation after removal of the overload. the load distribution system should be designed to carry the maximum short circuit output current specified. operating information input voltage the input voltage range 36...75v meets the requirements in the european telecom standard ets 300 132-2 for normal input voltage range in -48v and -60v dc power systems, -40.5...-57.0v and -50.0...-72.0v respectively. at input voltages exceeding 75v, the power loss will be higher than at normal input voltage and t c must be limited to absolute max +100o c. the absolute max continuous input voltage is 80v dc. remote control (rc) the pkm 4000 series dc/dc power modules have two remote on/off options available. negative logic remote on/off is the standard option orderable without a suffix added to the part number. negative logic remote on/off turns the module off during a logic high voltage on the on/off pin, and on during a logic low state. positive logic remote on/off is orderable by adding the suffix p to the end of the part number. positive logic remote on/off turns the module on during a logic high and off during a logic low state. the rc pin can be wired directly to -in, to allow the module to power up automatically without the need for control signals. a mechanical switch or an open collector transistor or fet can be used to drive the rc inputs. the device must be capable of sinking up to 1ma at a low level voltage of 1.0v, maximum of 15v dc, for the primary rc. rc (primary) power module low on open/high off over voltage protection (ovp) all pkm 4000 dc/dc power modules have latching output overvoltage protection. in the event of an overvoltage condition, the power module will shut down. the power module can be restarted by cycling the input voltage. turn-(on/off) input voltage (v i on/ v i off ) the power module monitors the input voltage and will turn on and turn off at predetermined levels. see input table on page 2. output voltage adjust (trim) voltage trimming all pkm 4000 series dc/dc power modules have an output voltage adjust pin. this pin can be used to adjust the output voltage above or below v oi . when increasing the output voltage, the voltage at the output pins (including any remote sensing offset) must be kept below the overvoltage trip point. also note that at elevated output voltages the maximum power rating of the module remains the same, and the output current capability will decrease correspondingly. these modules trim exactly like the other major competitors quarter-brick modules. to decrease v o connect radj from - sen to trim to increase v o connect radj from + sen to trim standard remote control rc (primary) power module low off open/high on optional remote control (p)
26 output voltage trim for 1.8v adjust resistor value ( k ohm) change in output voltage ( ? %) 1 0 2 4 6 8 10 12 14 16 18 20 100 10 1000 10000 100000 decrease increase output voltage trim for 2.5v adjust resistor v alue ( k ohm) change in output voltage (?%) 1 0 2 4 6 8 10 12 14 16 18 20 100 10 1000 10000 100000 decrease increase output voltage trim for 3.3v adjust resistor value ( k ohm) change in output voltage ( ? %) 1 0 2 4 6 8 10 12 14 16 18 20 100 10 1000 10000 100000 decrease increase output voltage trim for 5.0v adjust resistor value ( k ohm) change in output voltage ( ? %) 1 0 2 4 6 8 10 12 14 16 18 20 100 10 1000 10000 1000000 100000 decrease increase output voltage trim for 1.5v adjust resistor value ( k ohm) change in output voltage ( ? %) 1 0 2 4 6 8 10 12 14 16 18 20 100 10 1000 10000 100000 decrease increase decrease: radj = 5.11 ( 100 - 2 ) k ? ? % increase: radj = 5.11 [ v o (100+ ? %) - (100+2 ? %) ] k ? 1.225 ? % ? % decrease: radj = 5.11 ( 100 - 2 ) k ? ? % increase: radj = 5.11 [ v o (100+ ? %) - (100+2 ? %) ] k ? 1.225 ? % ? % decrease: radj = 5.11 ( 100 - 2 ) k ? ? % increase: radj = 5.11 [ v o (100+ ? %) - (100+2 ? %) ] k ? 1.225 ? % ? % decrease: radj = 5.11 ( 100 - 2 ) k ? ? % increase: radj = 5.11 [ v o (100+ ? %) - (100+2 ? %) ] k ? 1.225 ? % ? % decrease: radj = 5.11 ( 100 - 2 ) k ? ? % increase: radj = 5.11 [ v o (100+ ? %) - (100+2 ? %) ] k ? 1.225 ? % ? % data sheet ae/lzt 108 4913 r2 ? ericsson inc., microelectronics, may 2001
paralleling for redundancy the figure below shows how n + 1 redundancy can be achieved. the diodes on the power module outputs allow a failed module to remove itself from the shared group without pulling down the common output bus. this configuration can be extended to additional numbers of power modules and they can also be controlled individually or in groups by means of signals to the primary rc inputs. output ripple & noise (v o ac ) output ripple is measured as the peak to peak voltage from 0 to 20mhz which includes the noise voltage and fundamental ripple. over temperature protection the pkm 4000 dc/dc power modules are protected from thermal overload by an internal over temperature shutdown circuit. when the case temperature exceeds +110c (+10, -5c), the power module will automatically shut down (latching). to restart the module the input voltage must be cycled. input and output impedance the impedance of both the power source and the load will interact with the impedence of the dc/dc power module. it is most important to have the ratio between l and c as low as possible, i.e. a low characteristic impedance, both at the input and output, as the power modules have a low energy storage capability. the pkm 4000 series of dc/dc power modules has been designed to be completely stable without the need for external capacitors on the input or output when configured with low inductance input and output circuits. the performance in some applications can be enhanced by the addition of external capacitance as described below. if the distribution of the input voltage source to the power module contains significant inductance, the addition of a 220-470 f capacitor across the input of the power module will help insure stability. this capacitor is not required when powering the module from a low impedance source with short, low inductance, input power leads. output capacitance when powering loads with significant dynamic current requirements, the voltage regulation at the load can be improved by the addition of decoupling capacitance at the load. the most effective technique is to locate low esr ceramic capacitors as close to the load as possible, using several capacitors to lower the effective esr. these ceramic capacitors will handle the short duration high frequency components of the dynamic current requirement. in addition, higher values of electrolytic capacitors should be used to handle the mid-frequency components. it is equally important to use good design practices when configuring the dc distribution system. 27 data sheet ae/lzt 108 4913 r2 ? ericsson inc., microelectronics, may 2001 low resistance and low inductance pcb (printed circuit board) layouts and cabling should be used. remember that when using remote sensing, all the resistance, inductance and capacitance of the distribution system is within the feedback loop of the power module. this can have an effect on the modules compensation and the resulting stability and dynamic response performance. as a rule of thumb, 100 f/a of output current can be used without any additional analysis. for example, with a 20a (max p o 100w) power module, values of decoupling capacitance up to 2000 f can be used without regard to stability. with larger values of capacitance, the load transient recovery time can exceed the specified value. as much of the capacitance as possible should be outside of the remote sensing loop and close to the load.the absolute maximum value of output capacitance is 10,000 f. for values larger than this contact your local ericsson representative. quality reliability the calculated mtbf of the pkm 4000 module family is greater than (>) 2.8 million hours using bellcore tr-332 methodology. the calculation is valid for a 90oc baseplate temperature. demonstrated mtbf has been in the range of 3.0 to 3.2 million hours. quality statement the power modules are designed and manufactured in an industrial environment where quality systems and methods like iso 9000, 6 , and spc, are intensively in use to boost the continuous improvements strategy. infant mortality or early failures in the products are screened out and they are subjected to an ate-based final test. conservative design rules, design reviews and product qualifications, plus the high competence of an engaged work force, contribute to the high quality of our products. warranty ericsson inc., microelectronics warrants to the original purchaser or end user that the products conform to this data sheet and are free from material and workmanship defects for a period of five (5) years from the date of manufacture, if the product is used within specified conditions and not opened. in case the product is discontinued, claims will be accepted up to three (3) years from the date of the discontinuation. for additional details on this limited warranty we refer to ericssons general terms and conditions of sales, eka 950701, or individual contract documents. limitation of liability ericsson inc. , microelectronics does not make any other warranties, expressed or implied including any warranty of merchantability or fitness for a particular purpose (including, but not limited to use in life support applications, where malfunctions of product can cause injury to a persons health or life). pkm pkm1 pkm2
the pkm dc/dc power module may be ordered with the different options listed in the product options table. ericsson inc. microelectronics 1700 international pkwy., suite 200 richardson, texas 75081 phone: 877-ericmic www.ericsson.com/microelectronics for sales contacts, please refer to our website or call: 877-374-2642 or fax: 972-583-8355 product program v i v o /i o p o max ordering number 48/60 v 1.5v/20a 30w pkm 4318 pioa 48/60 v 1.5v/15a 22.5w pkm 4218 pioa 48/60 v 1.8v/20a 36w pkm 4318 pi 48/60 v 1.8v/15a 27w pkm 4218 pi 48/60 v 2.5v/20a 50w pkm 4519 pi 48/60 v 2.5v/15a 37.5w pkm 4319 pi 48/60 v 3.3v/20a 66w pkm 4610 pi 48/60 v 3.3v/15a 50w pkm 4510 pi 48/60 v 5v/20a 100w pkm 4111 pi 48/60 v 5v/15a 75w pkm 4711 pi product options option suffix example negative remote on/off logic pkm 4610 pi positive remote on/off logic p pkm 4610 pip lead length of 0.145" 0.010" la pkm 4610 pila the latest and most complete information can be found on our website! preliminary data sheet ae/lzt 108 4913 r2 ? ericsson inc., microelectronics, may 2001 information given in this data sheet is believed to be accurate and reliable. no responsibility is assumed for the consequences of its use for any infringement of patents or other rights of third parties that may result from its use. no license is granted by implication or otherwise under any patent or patent rights of ericsson inc., microelectronics. these products are sold only according to ericsson inc., m icroelectronics general conditions of sale, unless otherwise confirmed in writing. specifications subject to change without notice.

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