b-41 the 300xfr series power modules are high efficiency, low- profile, 3 watt dc-dc converters that operate over input voltage ranges of 4.5 - 9 vdc, 9 - 18 vdc, 18 - 36 vdc and 36 - 75 vdc and provide precisely regulated output voltages of 5v, 12v, 15v, 12v and 15v. the -40 o c to +71 o c operating temperature range makes it ideal for data communication equipment, mobile battery driven equipment, distributed power systems, telecommunication equipment, mixed analog/digital subsystems, process/ machine control equipment, computer peripheral systems and industrial robot systems. d d e e s s c c r r i i p p t t i i o o n n s s 300xfr series ? ? u u p p t t o o 8 8 1 1 % % e e f f f f i i c c i i e e n n c c y y ? ? s s i i n n g g l l e e a a n n d d d d u u a a l l o o u u t t p p u u t t , , 3 3 w w a a t t t t c c o o n n v v e e r r t t e e r r ? ? a a v v a a i i l l a a b b l l e e i i n n 5 5 , , 1 1 2 2 , , 2 2 4 4 a a n n d d 4 4 8 8 v v d d c c i i n n p p u u t t s s 2 2 - - 1 1 i i n n p p u u t t r r a a n n g g e e ? ? i i n n d d u u s s t t r r y y s s t t a a n n d d a a r r d d p p i i n n o o u u t t ? ? s s h h o o r r t t c c i i r r c c u u i i t t p p r r o o t t e e c c t t i i o o n n f f e e a a t t u u r r e e s s www.martekpower.com i i n n p p u u t t c c h h a a r r a a c c t t e e r r i i s s t t i i c c s s o o u u t t p p u u t t c c h h a a r r a a c c t t e e r r i i s s t t i i c c s s unit/comments input voltage 5 vdc input models vdc 12 vdc input models vdc 24 vdc input models vdc 48 vdc input models vdc under voltage shut down 5 vdc input models vdc 12 vdc input models vdc 24 vdc input models vdc 48 vdc input models vdc input fuse requirements 5 vdc input models ma; slow blow type 12 vdc input models ma; slow blow type 24 vdc input models ma; slow blow type 48 vdc input models ma; slow blow type reverse polarity input current amp short circuit input power mw input filter pi filter unit/comments output voltage set point % output voltage at nominal line & fl output voltage balance % equal output loads line regulation % output voltage measured from min. input line to maximum load regulation % output voltage measured from fl to 10% load ripple/noise mv p-p, nom.line @fl, 20mhz b.w., using 1 f bypass capacitor ripple/noise mv p-p, over line, load & temp., 20 mhz b.w., using 1 f bypass capacitor short circuit protection continuous, automatic recovery transient response % deviation of vout deviation for a 25% load change transient recovery time s for 25% load change temperature coefficient % per degree c min typ 0.5 0.5 0.2 0.2 45 3 300 0.01 max 2.0 2.0 0.5 0.5 60 100 5 500 0.02 single & dual output dc/dc converter min 4.5 9 18 36 typ 5 12 24 48 1500 700 350 135 1000 max 9 18 36 75 4 8.5 17 34 1 1500 g g e e n n e e r r a a l l c c h h a a r r a a c c t t e e r r i i s s t t i i c c s s unit/comments switching frequency khz isolation voltage vdc, 1 minute isolation resistance mohm, 500vdc isolation capacitance pf, 100khz, 1volt mtbf (mil-hbk-217f) million hours, +25 o c, ground benign min 500 1000 1 typ 300 max 500 specifications are subject to change without notice. new a a p p p p r r o o v v e e d d f f o o r r n n e e w w d d e e s s i i g g n n s s
b-42 e e n n v v i i r r o o n n m m e e n n t t a a l l s s p p e e c c i i f f i i c c a a t t i i o o n n s s o o u u t t l l i i n n e e d d r r a a w w i i n n g g all specifications are typical at nominal input, nominal load and 25 c unless otherwise specified. external, low esr, 10 microfarad (minimum) capacitor across input is recommended for operation. p p i i n n o o u u t t c c h h a a r r t t pins 1 2 3 10 11 12 13 14 15 22 23 24 single +vin nc nc - vout + vout - vin - vin + vout - vout nc nc + vin dual + vin - vout common common + vout - vin - vin + vout common common -v out +v in p p h h y y s s i i c c a a l l c c h h a a r r a a c c t t e e r r i i s s t t i i c c s s unit/comments 1.25 x 0.8 x 0.4 inches (31.8 x 20.3 x 10.2 mm) non-conductive black plastic ul94v-0 12.4 grams 1.25 (31.8) 0.18 (4.5) bottom view 0.40 (10.2) side view 0.020 (0.50) pin dia. 0.600 (15.22) 1 2 3 case size case material flammability weight unit/comments o c; ambient o c; case o c % humidity; non- condensing free-air convection complies with en55022 class a operating temp. range operating temp. range storage temp. range relative humidity cooling conducted emi min -40 -40 -40 typ max +71 +90 +125 95 24 23 22 10 11 12 15 14 13 0.80 (20.3) 0.100 (2.54) 0.10 (2.5) 0.09 (2.3) notes: 1. unless otherwise specified dimensions are in inches (mm). tolerances inches mm x.xx = 0.02 x.x = 0.5 x.xxx= 0.010 x.xx = 0.25 pin : 0.002 0.05 nc = no connection
b-43 h h o o w w t t o o o o r r d d e e r r 3 12 s xx xfr output voltage series h h o o w w t t o o o o r r d d e e r r m m o o d d e e l l s s e e l l e e c c t t i i o o n n c c h h a a r r t t model nominal input voltage (vdc) output voltage (vdc) full load output current (ma) no load input current (ma) full load input current (ma) efficiency @fl (%) 305s5xfr 312s5xfr 315s5xfr 312d5xfr 315d5xfr 305S12XFR 312s12xfr 315s12xfr 312d12xfr 315d12xfr 305s24xfr 312s24xfr 315s24xfr 312d24xfr 315d24xfr 305s48xfr 312s48xfr 315s48xfr 312d48xfr 315d48xfr 5 5 5 5 5 12 12 12 12 12 24 24 24 24 24 48 48 48 48 48 5 12 15 12 15 5 12 15 12 15 5 12 15 12 15 5 12 15 12 15 600 250 200 125 100 600 250 200 125 100 600 250 200 125 100 600 250 200 125 100 40 40 40 40 40 20 20 20 20 20 5 5 5 5 5 3 3 3 3 3 857 811 811 811 811 329 313 313 313 313 162 154 154 154 154 81 77 77 77 77 70 74 74 74 74 76 80 80 80 80 77 81 81 81 81 77 81 81 81 81 output configuration (s=single, d=dual) wattage nominal input range
b-44 d d e e r r a a t t i i n n g g c c u u r r v v e e s s -40 50 60 70 80 90 100 110 pout % temperature c model 300xfr 100 90 80 70 60 50 40 30 20 10 0 400lfm 200lfm 100lfm natural convection
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