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single output a-series, uwr models features high-density, 1" x 2" 6 amp/15 watt, 1.2-15v out dc/dc's figure 1. simpli?ed schematic the new 1.2, 1.5v, 1.8v and 2.5v models in datels ?agship 7-15 watt a-series can source a continuous 6 amps. this is the most "low-voltage" current available from a standard 1" x 2" package, and these power converters exemplify datels relentless drive to bring you more power/current, from standard packages, without compromising reliability or resorting to thermal specmanship. by combining a high-frequency, high-ef?ciency (to 88%), synchronous-recti?er topology with the newest components and time-tested, fully automated, smt-on-pcb construction, these uwr models are able to bring you 7-15w (@ up to 6a) in the standard 1" x 2" package from which most competitors can only get 5-10w (@ 3-4a). all uwrs deliver their full output power over ambient temperature ranges from C40 c to as high as +70 c (model and input voltage dependent) without heat sinks or supplemental forced-air cooling. devices derate to +100 c. output voltages are 1,2, 1.5, 1.8, 2, 2.5, 3.3, 5, 12 or 15 volts. input voltage ranges are 10-18v (d12 models), 18-36v (d24 models) or 36-75v (d48 models). all models feature input pi ?lters, input undervoltage and overvoltage lockout, input reverse-polarity protection, output overvoltage protection, output current limiting, and continuous short-circuit protection. on/off control and output-trim functions are optional (see optional functions). all models are certi?ed to iec950, ul1950 and en60950 safety requirements. d48 models (36-75v inputs) are ce marked. uwr 7-15w dc/dcs are packaged in low-cost, light-weight, diallyl phthalate (ul94v-0 rated) plastic packages with standoffs. emc compliance is achieved via a low-noise design rather than through expensive metal shielding. a - s e r i e s c o m m o n ( 6 ) + v i n ( 1 ) C v i n ( 2 ) p w m c o n t r o l l e r o p t o i s o l a t i o n r e f e r e n c e & e r r o r a m p c o m p a r a t o r s u v l o & o v l o o n / o f f c o n t r o l ( 3 ) ( o p t i o n a l ) t r i m ( 5 ) ( o p t i o n a l ) + v o u t ( 4 ) s w i t c h c o n t r o l 1.2-2.5v out models source 6 amps 3.3v out models source 4.25 amps 5/12/15v out models deliver full 15 watts synchronous-recti?er topologies guaranteed ef?ciencies to 88% choice of 3 input voltage ranges: 10-18v, 18-36v, 36-75v C40 to +60/70 c ambient w/o derating fully isolated (1500vdc); i/o protected ul1950/en60950 certi?ed ce mark (75v in models) standard 1" x 2" packages and pinouts optional v out trim and on/off control pin compatible with lucent lc/lw series ? 1.2 to 5v-output models use the synchronous-recti?er con?guration shown above. 12v and 15v-output models employ a standard forward architecture. datel, inc., mans?eld, ma 02048 (usa) tel: (508)339-3000, (800)233-2765 fax: (508)339-6356 email: sales@datel.com internet: www.datel.com ? ? ? a subsidia ry of c&d technologie s
a series 7 - 1 5 w , s i n g l e o u t p u t d c / d c c o n v e r t e r s uwr-1.2/6000-d12a 1.2 6000 30 55 0.1% 0.5% 12 10-18 85/914 tbd 78% c14, p22 uwr-1.2/6000-d24a 1.2 6000 30 55 0.1% 0.5% 24 18-36 50/454 tbd 79% c14, p22 uwr-1.2/6000-d48a 1.2 6000 30 55 0.1% 0.5% 48 36-75 40/226 tbd 80% c14, p22 uwr-1.5/6000-d12a 1.5 6000 30 55 0.1% 0.5% 12 10-18 75/914 77.5% 79.5% c14, p22 uwr-1.5/6000-d24a 1.5 6000 30 55 0.1% 0.5% 24 18-36 40/454 78% 80% c14, p22 uwr-1.5/6000-d48a 1.5 6000 30 55 0.1% 0.5% 48 36-75 25/226 78.5% 80.5% c14, p22 uwr-1.8/6000-d12a 1.8 6000 30 55 0.1% 0.5% 12 10-18 70/1084 81% 83% c14, p22 uwr-1.8/6000-d24a 1.8 6000 30 55 0.1% 0.5% 24 18-36 35/539 82.5% 84.5% c14, p22 uwr-1.8/6000-d48a 1.8 6000 30 55 0.1% 0.5% 48 36-75 25/268 83% 85% c14, p22 uwr-2/6000-d12a 2 6000 30 55 0.1% 0.5% 12 10-18 80/1176 83% 85% c14, p22 uwr-2/6000-d24a 2 6000 30 55 0.1% 0.5% 24 18-36 55/588 83% 85% c14, p22 uwr-2/6000-d48a 2 6000 30 55 0.1% 0.5% 48 36-75 25/291 84% 86% c14, p22 uwr-2.5/6000-d12a 2.5 6000 30 55 0.1% 0.5% 12 10-18 80/1489 83% 86% c14, p22 uwr-2.5/6000-d24a 2.5 6000 30 55 0.1% 0.5% 24 18-36 55/740 83% 85% c14, p22 uwr-2.5/6000-d48a 2.5 6000 30 55 0.1% 0.5% 48 36-75 25/367 84% 86% c14, p22 uwr-3.3/4250-d12a 3.3 4250 85 100 0.2% 0.5% 12 10-18 80/1375 83% 86% c14, p22 uwr-3.3/4250-d24a 3.3 4250 85 100 0.2% 0.5% 24 18-36 45/672 84.5% 87% c14, p22 uwr-3.3/4250-d48a 3.3 4250 85 100 0.2% 0.5% 48 36-75 35/336 85% 87% c14, p22 uwr-3.3/4500-d48ant ? 3.3 4500 85 100 0.2% 0.5% 48 36-75 35/356 85% 87% c14, p22 uwr-5/3000-d12a 5 3000 85 100 0.2% 0.3% 12 10-18 110/1471 83% 85% c14, p22 uwr-5/3000-d24a 5 3000 85 100 0.2% 0.3% 24 18-36 55/710 85.5% 88% c14, p22 uwr-5/3000-d48a 5 3000 85 100 0.2% 0.3% 48 36-75 35/355 85.5% 88% c14, p22 uwr-12/1250-d12a 12 1250 85 100 0.2% 0.3% 12 10-18 45/1471 82.5% 85% c14, p22 uwr-12/1250-d24a 12 1250 85 100 0.2% 0.3% 24 18-36 45/718 85% 87% c14, p22 uwr-12/1250-d48a 12 1250 85 100 0.2% 0.3% 48 36-75 20/359 85% 87% c14, p22 uwr-15/1000-d12a 15 1000 85 100 0.2% 0.3% 12 10-18 45/1471 82.5% 85% c14, p22 uwr-15/1000-d24a 15 1000 85 100 0.2% 0.3% 24 18-36 45/718 85% 87% c14, p22 uwr-15/1000-d48a 15 1000 85 100 0.2% 0.3% 48 36-75 20/359 85% 87% c14, p22 r/n (mvp-p) ? regulation (max.) ef?ciency package v out i out v in nom. range i in ? (case, model (volts) (ma) typ. max. line load ? (volts) (volts) (ma) min. typ. pinout) 2 performance speci?cations and ordering guide ? typical at t a = +25c under nominal line voltage and full-load conditions, unless otherwise noted. ? ripple/noise (r/n) is tested/speciifed over a 20mhz bandwidth. all models are speci?ed with two external 0.47f multi-layer ceramic capacitors located 2-3 inches from the module being tested. ? load regulation is speci?ed over 10%-100% load conditions. 1.5-5v models are stable and ? wide range input output con?guration: u = unipolar nominal output voltage: 1.2, 1.5, 1.8, 2, 2.5, 3.3, 5, 12 or 15 volts maximum output current in ma input voltage range: d12 = 10-18 volts (12v nominal) d24 = 18-36 volts (24v nominal) d48 = 36-75 volts (48v nominal) u wr 3000 - / d48 a - 5 * pins 3 and 5 are optional. see optional functions and technical notes for details. ct a-series high reliability optional functions see last page output input p a r t n u m b e r s t r u c t u r e m e c h a n i c a l s p e c i f i c a t i o n s pin function p22 pin function p22 1 +input 4 +output 2 Cinput 5 trim* 3 on/off control* 6 common i/o connections regulate under no-load conditions. 12/15v models have minimum loading requirements. see performance/functional speci?cations. ? nominal line voltage, no-load/full-load conditions. ? see page 12.? preliminary case c14 1 2 4 5 6 plastic case st andoff 0.020 (0.51) 3 1.00 (25.40) 2.00 (50.80) 0.20 mi n (5.08) 0.400 (10.16) 0.800 (20.32) 0.800 (20.32) 0.60 (15.24) 0.49 (12.45) 0.040 0.002 dia. (1.016 0.051) bo tt om view 0.200 (5.08) 0.100 (2.54) 0.10 (2.54) dimension are in inches (mm) lx
uwr models 7 - 1 5 w , s i n g l e o u t p u t d c / d c c o n v e r t e r s dynamic characteristics (continued) switching frequency 1.2v and 2v models tbd 1.5v d48 models 260khz (30khz) 1.8v d12 models 280khz (30khz) 1.8v d24 models 250khz (30khz) 1.8v d48 models 210khz (20khz) 2.5 and 1.5 d12/d24 models 340khz (40khz) 3.3-12v models 310khz (30khz) environmental operating temperature (ambient): without derating ? C40 to +60/70c with derating to +100c (see derating curves) case temperature: maximum allowable +100c storage temperature C40 to +105c physical dimensions 2" x 1" x 0.49" (51 x 25 x 12.45mm) shielding none case material diallyl phthalate, ul94v-0 rated pin material brass, solder coated weight 1.4 ounces (39.7 grams) 3 performance/functional speci?cations typical @ t a = +25c under nominal line voltage and full-load conditions, unless noted. ? ? i nput voltage: continuous: d12 models 22 volts d24 models 44 volts d48 models 88 volts transient (100msec): d12 models 50 volts d24 models 50 volts d48 models 100 volts input reverse-polarity protection current must be <10 amps. brief duration only. fusing recommended. output overvoltage protection: 1.2v/1.5/1.8v outputs 2.1/2.2/2.3 volts, unlimited duration 2v/2.5v/3.3v outputs tbd/3.4/4.4 volts, unlimited duration 5v/12v/15v outputs 7.1/16/18 volts, unlimited duration output current current limited. devices can withstand sustained output short circuits without damage. case temperature +100c storage temperature C40 to +105c lead temperature (soldering, 10 sec.) +300c these are stress ratings. exposure of devices to any of these conditions may adversely affect long-term reliability. proper operation under conditions other than those listed in the performance/functional speci?cations table is not implied. absolute maximum ratings input input voltage range: d12a models 10-18 volts (12v nominal) d24a models 18-36 volts (24v nominal) d48a models 36-75 volts (48v nominal) overvoltage shutdown: d12a models 18.5-21 volts (20v typical) d24a models 37-41 volts (38v typical) d48a models 77-81 volts (78.5v typical) start-up threshold: ? d12a models 9.4-10 volts (9.6v typical) d24a models 16.5-18 volts (17v typical) d48a models 34-36 volts (35v typical) undervoltage shutdown: ? d12a models 7-8.5 volts (8v typical) d24a models 15.5-17.5 volts (16.5v typical) d48a models 32.5-35.5 volts (34v typical) input current: normal operating conditions see ordering guide standby mode (off, ov, uv) 5ma input filter type pi reverse-polarity protection brief duration, 10a maximum on/off control (optional, pin 3): ? ? d12ac, d24ac, & d48ac models on = open or 13v to +v in , i in = 50 a max. off = 0-0.8v, i in = 1ma max. d12an, d24an, & d48an models on = 0-0.8v, i in = 2.6ma max. off = open or 3.3-5.5v, i in = 1ma max. output v out accuracy (50% load): 1.5%, maximum minimum loading for speci?cation: ? 1.2v/1.5v/1.8v/2.5v/3.3v/5v outputs no load 12v/15v outputs 10% of i out max. minimum loading for stability: ? 1.2v/1.5v/1.8v/2.5v/3.3v/5v outputs no load 12v/15v outputs 25ma ripple/noise (20mhz bw) ? ? see ordering guide line/load regulation see ordering guide ef?ciency see ordering guide isolation voltage: input-to-output 1500vdc minimum (functional) isolation capacitance 470pf isolation resistance 100m ? current limiting: 1.2v-5v outputs hiccup technique, auto-recovery 12v and 15v outputs power-limiting technique, auto-recovery overvoltage protection zener/transorb clamp, magnetic feedback temperature coef?cient 0.04% per c dynamic characteristics transient response (50% load step) 1.2v-2.5v models 200sec max. to 2% of ?nal value 3.3v-15v models 200sec max. to 1.5% of ?nal value start-up time: ? v in to v out 50msec on/off to v out 30msec ? all models are speci?ed with two external 0.47 f multi-layer ceramic capacitors installed across their output pins. ? see minimum output loading requirements under technical notes. ? see technical notes for details. ? the on/off control and trim functions are optional and must be installed by datel. see optional functions or contact datel for details. ? the on/off control is designed to be driven with open-collector logic or the application of appropriate voltages (referenced to Cinput, pin 2). applying a voltage to the on/off control pin when no input voltage is applied to the converter may cause permanent damage. see technical notes. ? output noise maybe further reduced with the addition of additional external output capacitors. see technical notes. ? operating temperature range without derating is model and input-voltage dependent. see temperature derating.
a series 7 - 1 5 w , s i n g l e o u t p u t d c / d c c o n v e r t e r s 4 trimming output voltages these converters have a trim capability (pin 5) that allows users to adjust the output voltage 5%. adjustments to the output voltage can be accomplished via a trim pot, figure 2, or a single ?xed resistor as shown in figures 3 and 4. a single ?xed resistor can increase or decrease the output voltage depending on its connection. fixed resistors should have an absolute tcr less than 100ppm/c to minimize sensitivity to changes in temperature. a single resistor connected from the trim (pin 5) to the +output (pin 4), see figure 3, will decrease the output voltage. a resistor connected from the trim (pin 5) to output common (pin 6) will increase the output voltage. trim adjustment greater than 5% can have an adverse effect on the convert - er's performance and is not recommended. 20k ? 5-22 tu rn s +input +output common trim Cinput on/off contr ol 1 2 3 4 5 lo ad 6 +input +output common trim Cinput on/off contr ol 1 2 3 4 5 lo ad 6 r trim do wn +input +output common trim Cinput on/off contr ol 1 2 3 4 5 lo ad 6 r trim up figure 2. trim connections using a trim pot figure 4. trim connections to increase output voltage using fixed resistors figure 3. trim connections to decrease output voltage using fixed resistors t e c h n i c a l n o t e s floating outputs since these are isolated dc/dc converters, their outputs are "?oating." designers will usually use the output common (pin 6) as the ground/return of the load circuit. you can, however, use the +output (pin 4) as ground/return to effectively reverse the output polarity. minimum output loading requirements 1.2 to 5v models employ a synchronous-recti?er design topology. all models regulate within spec and are stable under no-load conditions. 12/15v models employ a traditional forward architecture and require 10% loading (125ma for 12v models, 100ma for 15v models) to achieve their listed regulation specs. 12/15v models also have a minimum-load-for-stability requirement (25ma). for 12/15v models, operation between 25ma and 10% loading will result in stable operation but regulation may degrade. operation under no-load conditions will not damage the 12/15v devices; however they may not meet all listed speci?cations. filtering and noise reduction all a-series uwr dc/dc converters achieve their rated ripple and noise speci?cations using the external input and output capacitors speci?ed in the performance/functional speci?cations table. in critical applications, input/ output noise may be further reduced by installing additional external i/o caps. input capacitors should be selected for bulk capacitance, low esr and high rms-ripple-current ratings. output capacitors should be selected for low esr and appropriate frequency response. all caps should have appropriate volt - age ratings and be mounted 2-3 inches from the converter to achieve published ratings. the most effective combination of external i/o capacitors will be a function of your particular load and layout conditions. our applications engineers will be happy to recommend potential solutions and can discuss the possibility of our modifying a given devices internal ?ltering to meet your speci?c require - ments. contact our applications engineering group for additional details. input fusing certain applications and/or safety agencies may require the installation of fuses at the inputs of power conversion components. fuses should also be used if the possibility of sustained, non-current-limited, input-v oltage polarity reversals exists. for datel a-series uwr 7-15 watt dc/dc converters, you should use slow-blow type fuses with values no greater than the following. v in range fuse value "d12a" models 3 amps "d24a" models 2 amps "d48a" models 1 amp
uwr models 7 - 1 5 w , s i n g l e o u t p u t d c / d c c o n v e r t e r s accuracy of adjustment is subject to tolerances or resistor values and factory-adjusted output accuracy. v o = desired output voltage. model trim equation start-up threshold and undervoltage shutdown under normal start-up conditions, devices will not begin to regulate until the ramping-up input voltage exceeds the start-up threshold voltage (35v for "d48a" models). once operating, devices will not turn off until the input volt - age drops below the undervoltage shutdown/lockout limit (34v for "d48a" models). subsequent re-start will not occur until the input is brought back up to the start-up threshold. this built-in hysteresis obviously avoids any indeterminate on/off situations at a single voltage. start-up time the v in to v out start-up time is the interval between the time at which a ramping input voltage crosses the turn-on threshold point and the fully- loaded output voltage enters and remains within its speci?ed accuracy band. actual measured times will vary with input source impedance, external input capacitance, and the slew rate and ?nal value of the input voltage as it appears to the converter. the on/off to v out start-up time assumes the converter is turned off via the on/off control with the nominal input voltage already applied to the converter. the speci?cation de?nes the interval between the time at which the converter is turned on and the fully-loaded output voltage enters and remains within its speci?ed accuracy band. 5 ????? ???? ? ??????????? ?? ???? ???? ??? ? ?????? ?? ??????? ????????????????? ????????????????? ????????????????? ????? ?? ? ??????? ?? ???? ? ?? ????? ???? ? ?? ???? ? ??????????? ?? ???? ?? ??? ? ?????? ?? ???????? ??????????????? ??????????????? ??????????????? ? ?? ?? ? ??????? ?? ???? ? ?? ? ?? ????? ? ? ???? ? ??????????? ?? ???? ???? ??? ? ????? ?? ??????? ????????????????? ????????????????? ????????????????? ? ? ?? ? ??????? ?? ???? ? ?? ????? ????? ????? ???? ? ??????????? ?? ???? ???? ??? ? ??????? ?? ??????? ????????????????? ????????????????? ????????????????? ????? ?? ? ??????? ?? ???? ? ?? ????? ???? ? ?? ???? ? ??????????? ?? ???? ???? ??? ? ??? ?? ??????? ????????????????? ????????????????? ????????????????? ? ?? ?? ? ??????? ?? ???? ? ?? ????? ???? ? ???? ???? ? ??????????? ?? ???? ??? ??? ? ?????? ?? ???????? ???????????????? ???????????????? ???????????????? ? ? ???? ?? ? ??????? ?? ???? ? ?? ? ??? ????? ? ???? ???? ? ??????????? ?? ???? ??? ??? ? ?????? ?? ???????? ? ? ???? ? ??????????? ?? ???? ???? ??? ? ?????? ?? ?????? ????????????????? ????????????????? ????????????????? ? ? ?? ? ??????? ?? ???? ? ?? ????? ???? ????? ???? ? ??????????? ?? ???? ?? ? ?? ? ?? ?? ??????? ??????????????? ??????????????? ??????????????? ????? ?? ? ??????? ?? ???? ? ?? ??? ???? ???????????????? ???????????????? ???????????????? ? ???? ?? ? ??????? ?? ???? ? ?? ???? ????? ????? ?????? ????? ???? ? ??????????? ?? ???? ? ???? ??????????????????? ?? ? ??????? ?? ???? ??? ? ? ?? ? ??? ?????? ????? ? ?? ? ???? ??? ? ??? ? ????
a series 7 - 1 5 w , s i n g l e o u t p u t d c / d c c o n v e r t e r s t e m p e r a t u r e d e r a t i n g the thermal performance of a-series uwr 7-15 watt dc/dc converters is depicted in the derating curves shown below. all devices, when operated at full load, in still ambient air, over their full speci?ed input voltage range, can safely operate to t a maximum. all models, other than the d12a models (10-18 volt input range), can operate at higher ambient temperatures if the input range is narrowed. for example, model uwr-5/3000-d48a can operate safely to +7 0 c if the input range is kept between 36 and 48 volts. contact datel's applications engineering group if you need additional details. 6 output po wer (w atts) ambient t emperature ( c) d24a and d48a te mperature derating f or 1.5v output models 10 9 8 7 6 5 4 3 2 1 0 C40 0 4 0 4 5 5 0 5 5 6 0 6 5 7 0 7 5 8 0 8 5 9 0 9 5 100 v in = 18v -27v (d24a) v in = 36v -48v (d48a) v in = 18v -30v (d24a) v in = 36v -60v (d48a) v in = 18v -36v (d24a) v in = 36v -75v (d48a) output po wer (w atts) ambient t emperature ( c) d24a and d48a te mperature derating f or 1.8v output models 12 11 10 9 8 7 6 5 4 3 2 1 0 C40 0 4 0 4 5 5 0 5 5 6 0 6 5 7 0 7 5 8 0 8 5 9 0 9 5 100 v in = 18v -27v (d24a) v in = 36v -48v (d48a) v in = 18v -30v (d24a) v in = 36v -60v (d48a) v in = 18v -36v (d24a) v in = 36v -75v (d48a) output po wer (w atts) ambient t emperature ( c) 15.0 13.5 12.0 10.5 9.0 7.5 6.0 4.5 3 1.5 0 C40 0 4 0 4 5 5 0 5 5 6 0 6 5 7 0 7 5 8 0 8 5 9 0 9 5 100 v out = 2.5v , 5v , 12v and 15v v out = 3.3v v out = 1.8v v out = 1.5v v out = 1.2v d12a (10-18v) te mperature derating output po wer (w atts) ambient t emperature ( c) d24a and d48a te mperature derating f or 3.3v output models 14 12 10 8 6 4 2 0 C40 0 4 0 4 5 5 0 5 5 6 0 6 5 7 0 7 5 8 0 8 5 9 0 9 5 100 v in = 18v -27v (d24a) v in = 36v -48v (d48a) v in = 18v -30v (d24a) v in = 36v -60v (d48a) v in = 18v -36v (d24a) v in = 36v -75v (d48a) output po wer (w atts) ambient t emperature ( c) 15.0 13.5 12.0 10.5 9.0 7.5 6.0 4.5 3 1.5 0 C40 0 4 0 4 5 5 0 5 5 6 0 6 5 7 0 7 5 8 0 8 5 9 0 9 5 100 v in = 18v -27v (d24a) v in = 36v -48v (d48a) v in = 18v -30v (d24a) v in = 36v -60v (d48a) v in = 18v -36v (d24a) v in = 36v -75v (d48a) d24a and d48a te mperature derating f or 2.5 /5 /12 /15v output models
uwr models 7 - 1 5 w , s i n g l e o u t p u t d c / d c c o n v e r t e r s e f f i c i e n c y v s . l i n e a n d l o a d 9 0 8 5 8 0 7 5 7 0 6 5 6 0 5 5 5 0 4 5 l o a d c u r r e n t ( a m p s ) e f f i c i e n c y ( % ) v i n = 1 0 v v i n = 1 2 v v i n = 1 8 v 0 . 6 1 . 2 1 . 8 2 . 4 3 3 . 6 4 . 2 4 . 8 5 . 4 6 u w r - 1 . 8 / 6 0 0 0 - d 1 2 a e f f i c i e n c y v s . l i n e a n d l o a d 9 0 8 5 8 0 7 5 7 0 6 5 6 0 5 5 5 0 4 5 l o a d c u r r e n t ( a m p s ) e f f i c i e n c y ( % ) v i n = 3 6 v v i n = 4 8 v v i n = 7 5 v 0 . 6 1 . 2 1 . 8 2 . 4 3 3 . 6 4 . 2 4 . 8 5 . 4 6 u w r - 1 . 8 / 6 0 0 0 - d 4 8 a e f f i c i e n c y v s . l i n e a n d l o a d 9 0 8 5 8 0 7 5 7 0 6 5 6 0 5 5 5 0 4 5 l o a d c u r r e n t ( a m p s ) e f f i c i e n c y ( % ) v i n = 1 8 v v i n = 2 4 v v i n = 3 6 v 0 . 6 1 . 2 1 . 8 2 . 4 3 3 . 6 4 . 2 4 . 8 5 . 4 6 u w r - 1 . 8 / 6 0 0 0 - d 2 4 a e f f i c i e n c y v s . l i n e a n d l o a d 8 5 8 0 7 5 7 0 6 5 6 0 5 5 5 0 4 5 4 0 3 5 l o a d c u r r e n t ( a m p s ) e f f i c i e n c y ( % ) v i n = 3 6 v v i n = 4 8 v v i n = 7 5 v 0 . 6 1 . 2 1 . 8 2 . 4 3 3 . 6 4 . 2 4 . 8 5 . 4 6 u w r - 1 . 5 / 6 0 0 0 - d 4 8 a e f f i c i e n c y v s . l i n e a n d l o a d 8 5 8 0 7 5 7 0 6 5 6 0 5 5 5 0 4 5 4 0 3 5 l o a d c u r r e n t ( a m p s ) e f f i c i e n c y ( % ) v i n = 1 8 v v i n = 2 4 v v i n = 3 6 v 0 . 6 1 . 2 1 . 8 2 . 4 3 3 . 6 4 . 2 4 . 8 5 . 4 6 u w r - 1 . 5 / 6 0 0 0 - d 2 4 a e f f i c i e n c y v s . l i n e a n d l o a d 8 5 8 0 7 5 7 0 6 5 6 0 5 5 5 0 4 5 4 0 3 5 l o a d c u r r e n t ( a m p s ) e f f i c i e n c y ( % ) v i n = 1 0 v v i n = 1 2 v v i n = 1 8 v 0 . 6 1 . 2 1 . 8 2 . 4 3 3 . 6 4 . 2 4 . 8 5 . 4 6 u w r - 1 . 5 / 6 0 0 0 - d 1 2 a e f f i c i e n c y v s . l i n e a n d l o a d e typical performance curves for uwr 7-15w a-series
a series 7 - 1 5 w , s i n g l e o u t p u t d c / d c c o n v e r t e r s 90 85 80 75 70 65 60 55 50 45 uwr-3.3/4250-d12a efficiency vs. line and load load current (amps) efficiency ( % ) v in = 10v v in = 12v v in = 18v 0.4 0.9 1.4 1.8 2.3 2.8 3.3 3.8 4.3 90 85 80 75 70 65 60 55 50 45 uwr-3.3/4250-d24a efficiency vs. line and load load current (amps) efficiency ( % ) v in = 18v v in = 24v v in = 36v 0.4 0.9 1.4 1.8 2.3 2.8 3.3 3.8 4.3 90 85 80 75 70 65 60 55 50 45 uwr-3.3/4250-d48a efficiency vs. line and load 0.4 0.9 1.4 1.8 2.3 2.8 3.3 3.8 4.3 load current (amps) efficiency ( % ) v in = 36v v in = 48v v in = 75v 9 0 8 5 8 0 7 5 7 0 6 5 6 0 5 5 5 0 4 5 l o a d c u r r e n t ( a m p s ) e f f i c i e n c y ( % ) v i n = 1 8 v v i n = 2 4 v v i n = 3 6 v 0 . 6 1 . 2 1 . 8 2 . 4 3 3 . 6 4 . 2 4 . 8 5 . 4 6 u w r - 2 . 5 / 6 0 0 0 - d 2 4 a e f f i c i e n c y v s . l i n e a n d l o a d 9 0 8 5 8 0 7 5 7 0 6 5 6 0 5 5 5 0 4 5 l o a d c u r r e n t ( a m p s ) e f f i c i e n c y ( % ) v i n = 1 0 v v i n = 1 2 v v i n = 1 8 v 0 . 6 1 . 2 1 . 8 2 . 4 3 3 . 6 4 . 2 4 . 8 5 . 4 6 u w r - 2 . 5 / 6 0 0 0 - d 1 2 a e f f i c i e n c y v s . l i n e a n d l o a d 9 0 8 5 8 0 7 5 7 0 6 5 6 0 5 5 5 0 4 5 l o a d c u r r e n t ( a m p s ) e f f i c i e n c y ( % ) v i n = 3 6 v v i n = 4 8 v v i n = 7 5 v 0 . 6 1 . 2 1 . 8 2 . 4 3 3 . 6 4 . 2 4 . 8 5 . 4 6 u w r - 2 . 5 / 6 0 0 0 - d 4 8 a e f f i c i e n c y v s . l i n e a n d l o a d 8 typical performance curves for uwr 7-15w a-series
uwr models 7 - 1 5 w , s i n g l e o u t p u t d c / d c c o n v e r t e r s 90 85 80 75 70 65 60 55 50 45 40 uwr-5/3000-d12a efficiency vs . line and load load current (amps) efficiency ( % ) v in = 10v v in = 12v v in = 18v 0.3 0.6 1.0 1.3 1.7 2 2.3 2.7 3 90 85 80 75 70 65 60 55 50 45 40 uwr-5/3000-d24a efficiency vs . line and load load current (amps) efficiency ( % ) v in = 18v v in = 24v v in = 36v 0.3 0.6 1.0 1.3 1.7 2 2.3 2.7 3 90 85 80 75 70 65 60 55 50 45 40 uwr-5/3000-d48a efficiency vs . line and load 0.3 0.6 1.0 1.3 1.7 2 2.3 2.7 3 load current (amps) efficiency ( % ) v in = 36v v in = 48v v in = 75v 9 90 85 80 75 70 65 60 55 50 uwr-12/1250-d12a efficiency vs . line and load load current (amps) efficiency ( % ) v in = 10v v in = 12v v in = 18v 0.1 0.2 0.4 0.5 0.7 0.8 1.0 1.1 1.3 90 85 80 75 70 65 60 55 50 uwr-12/1250-d24a efficiency vs . line and load load current (amps) efficiency ( % ) v in = 18v v in = 24v v in = 36v 0.1 0.2 0.4 0.5 0.7 0.8 1.0 1.1 1.3 typical performance curves for uwr 7-15w a-series ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ??????????????????? ???????????? ? ? ? ??? ????? ? ??? ????? ? ??? ????? ??????? ????? ????? ????? ????? ????? ????? ????? ???? ?????????????????????????????????????????????????
a series 7 - 1 5 w , s i n g l e o u t p u t d c / d c c o n v e r t e r s 90 85 80 75 70 65 60 55 uwr-15/1000-d12a efficiency vs . line and load 0.1 0.2 0.3 0.4 0.6 0.7 0.8 0.9 1 load current (amps) efficiency ( % ) v in = 10v v in = 12v v in = 18v 90 85 80 75 70 65 60 55 uwr-15/1000-d24a efficiency vs . line and load load current (amps) efficiency ( % ) v in = 18v v in = 24v v in = 36v 0.1 0.2 0.3 0.4 0.6 0.7 0.8 0.9 1 90 85 80 75 70 65 60 55 uwr-15/1000-d48a efficiency vs . line and load load current (amps) efficiency ( % ) v in = 36v v in = 48v v in = 75v 0.1 0.2 0.3 0.4 0.6 0.7 0.8 0.9 1 10 e f f i c i e n c y v s . l i n e a n d l o a d typical performance curves for uwr 7-15w a-series output ripple and noise (p ard) (v in = nominal, v out = 1.8v @ 6a, two e xter nal 0.47f output capacitors .) 20mv , 1sec/div , 20mhz bw output ripple and noise (p ard) (v in = nominal, v out = 1.5v @ 6a, two e xter nal 0.47f output capacitors .) 20mv , 1sec/div , 20mhz bw 90 85 80 75 70 65 60 55 50 uwr-12/1250-d48a efficiency vs . line and load 0.1 0.2 0.4 0.5 0.7 0.8 1.0 1.1 1.3 load current (amps) efficiency ( % ) v in = 36v v in = 48v v in = 75v
uwr models 7 - 1 5 w , s i n g l e o u t p u t d c / d c c o n v e r t e r s 11 20mv , 1sec/div , 20mhz bw output ripple and noise (p ard) (v in = nominal, v out = 12v @ 1.25a, two e xt. 0.47f output capacitors .) output ripple and noise (p ard) (v in = nominal, v out = 15v @ 1a, two e xter nal 0.47f output capacitors .) 20mv , 2.5sec/div , 20mhz bw 20mv , 1sec/div , 20mhz bw output ripple and noise (p ard) (v in = nominal, v out = 3.3v @ 4.25a, two e xt. 0.47f output capacitors .) 20mv , 1sec/div , 20mhz bw output ripple and noise (p ard) (v in = nominal, v out = 5v @ 3a, two e xter nal 0.47f output capacitors .) typical performance curves for uwr 7-15w a-series output ripple and noise (p ard) (v in = nominal, v out = 2.5v @ 6a, two e xter nal 0.47f output capacitors .) 20mv , 1sec/div , 20mhz bw
optional functions the versatile a-series 7-15w dc/dc converters offer numerous electrical and mechanical options. per the ordering guide on page 2, the trailing "a" (for a-series) in each part number pertains to the base part number. part- number suf?xes are added after the "a," indicating the selection of standard options. the resulting part number is a "standard product" and is available to any customer desiring that particular combination of options. as described below, selecting certain options will result in the installation of additional pins in certain locations. suf?x description blank no v out trim or on/off control functions added (no i/o pins installed in the pin 3 and pin 5 positions). the pin length remains at 0.2 inches (5.08 mm). t add a v out trim function on pin 5. no pin 3 installed. c add an on/off control function on pin 3 (with positive polarity). no pin 5 installed. ct add the on/off control function (with positive polarity) on pin 3 and add the v out trim function on pin 5. n add an on/off control function on pin 3 with negative polarity. no pin 5 installed. nt add the on/off control function with negative polarity on pin 3 and add the v out trim function on pin 5. l1 trim the pin length to 0.110 0.010 inches (2.79 0.25mm). this option requires a 100-piece minimum order quantity. l2 trim the pin length to 0.145 0.010 inches (3.68 0.25mm). this option requires a 100-piece minimum order quantity. adaptations there are various additional con?gurations available on a-series 7-15w dc/dc's. because designating each of them with a standard part-number suf?x would result in an unmanageable matrix of part numbers, such are designated by datel and assigned 5-digit "part-number suf?xes. once a con?guration has been requested by a customer and created by datel, the resulting product is available to any customer as a "standard" off-the-shelf product. consequently, the following products are offered for sale: uwr-3.3/4250-d48at-30690 standard product, 48v in , 3.3v out /4.25a with a v out trim function added in the pin 3 position, with adapted current limit set point to 6.5a min. and with removed input overvoltage shutdown function. uwr-5/3000-d48act-30770 standard product, 48v in , 5v out /3a. on/off control function (positive polarity) on pin 3, v out, trim function added on pin 5. adaptations: trim equations are tyco/lucent-compatible. transformer isolation system has been enhanced to meet the basic insulation requirements of ul60950/en60950. i/o pins are 25-mil-square tyco/lucent compatible. shielded metal case is connected to +v in pin 1. input overvoltage shutdown function has been removed. uwr-3.3/4500-d48ant standard uwr-3.3/4250-d48a, 48v in , 3.3v out with slightly higher output current (4.5a), negative on/off polarity control and a special competitive-com - patible trim. uwr-3.3/4500-d48ant accepts trim adjustments to 10% of nominal v out not to exceed 15w of maximum output power. users should carefully consider the amount of trim added since excessive positive trim may exceed the overvolt - age protection. excessive negative trim may interfere with proper regulation. contact datel if you are interested in your own set of options/adaptations. further examples of such include, but are not limited to the following: competitor-compatible pin shape and/or length, instead of datel's standard 40-mil round pins. shielded metal case connected to the i/o pin of your choice. electrical modi?cation of the v out -trim functionality/equations and/or the on/off control function to be competitor-compatible. raising the input overvoltage lockout/shutdown trip point to a level that enables the device to experience brief input transients (of known peak value and duration) without shutting down. for example, we can move the threshold to +110v for applications that anticipate 100v, 100msec input transients. a series 7 - 1 5 w , s i n g l e o u t p u t d c / d c c o n v e r t e r s wide range input output con?guration: u = unipolar nominal output voltage: 1.2, 1.5, 1.8, 2, 2.5, 3.3, 5, 12 or 15 volts maximum output current in ma input voltage range: d12 = 10-18 volts (12v nominal) d24 = 18-36 volts (24v nominal) d48 = 36-75 volts (48v nominal) u wr 3000 - / d48 a - 5 ct a-series high reliability optional functions p a r t n u m b e r s t r u c t u r e lx note: not all model number combinations may be available. contact datel. ds-0426e 7/04 12 datel makes no representation that the use of its products in the circuits described herein, or the use of other technical information contained herein, will not infringe upon existing or future patent rights. the descriptions contained herein do not imply the granting of licenses to make, use, or sell equipment constructed in accordance therewith. speci?cations are subject to change without notice. the datel logo is a registered datel, inc. trademark. datel (uk) ltd. tadley, england tel: (01256)-880444 internet: www.datel-europe.com e-mail: datel.ltd@datel.com datel s.a.r.l . montigny le bretonneux, france tel: 01-34-60-01-01 internet: www.datel-europe.com e-mail: datel.sarl@datel.com datel gmbh mnchen, germany tel: 89-544334-0 internet: www.datel-europe.com e-mail: datel.gmbh@datel.com datel kk tokyo, japan tel: 3-3779-1031, osaka tel: 6-6354-2025 internet: www.datel.co.jp email: salestko@datel.co.jp, salesosa@datel.co.jp datel china shanghai, china tel: 011-86-51317131 e -mail: davidx@datel.com datel, inc. 11 cabot boulevard, mans?eld, ma 0204 8 -1151 tel: (508) 339-3000 (800) 233-2765 fax: (508) 339-6356 www.datel.com email: sales@datel.com www.cdpowerelectronics.com iso 9001 registered ? ? a subsidia ry of c&d technologie s

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