wrn72xx-2000(b)&wrn73xx- wrn72xx-2000(b)&wrn73xx- wrn72xx-2000(b)&wrn73xx- wrn72xx-2000(b)&wrn73xx- wrn72xx-2000(b)&wrn73xx- wrn72xx-2000(b)&wrn73xx- wrn72xx-2000(b)&wrn73xx- wrn72xx-2000(b)&wrn73xx- 3 3 3 3 3 3 3 3 000(b)&wrn74xx- 000(b)&wrn74xx- 000(b)&wrn74xx- 000(b)&wrn74xx- 000(b)&wrn74xx- 000(b)&wrn74xx- 000(b)&wrn74xx- 000(b)&wrn74xx- 4 4 4 4 4 4 4 4 000(b) 000(b) 000(b) 000(b) 000(b) 000(b) 000(b) 000(b) series series http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 1 of 4 product product product product product product product product program program program program program program program program part part part part number number number number out out out out put put put put voltage voltage voltage voltage nominal nominal nominal nominal input input input input (vdc) (vdc) (vdc) (vdc) voltage voltage voltage voltage rang rang rang rang e e e e output output output output efficiency efficiency efficiency efficiency (%,typ) (%,typ) (%,typ) (%,typ) adjust adjust adjust adjust (vdc) (vdc) (vdc) (vdc) current current current current (ma) (ma) (ma) (ma) vin vin vin vin (min.) (min.) (min.) (min.) vin vin vin vin (max.) (max.) (max.) (max.) wrn7203-2000(b) 3.3 4.5-2 8 2.5-5.5 2000 95 89 wrn7205-2000(b) 05 6.5-2 8 3.0-6.0 2000 96 91 wrn7206-2000(b) 6.5 8.5-2 8 5.0-8.0 2000 97 93 WRN7209-2000(b) 09 12-2 8 7.0-11 2000 96 93 wrn7212-2000(b) 12 15-2 8 10-14 2000 97 95 wrn7215-2000(b) 15 19-2 8 13-17 2000 97 95 wrn7303-3000(b) 3.3 4.5-2 8 2.5-5.5 3000 94 89 wrn7305-3000(b) 05 6.5-2 8 3.0-6.0 3000 95 92 wrn7306-3000(b) 6.5 8.5-2 8 5.0-8.0 3000 97 93 wrn7309-3000(b) 09 12-2 8 7.0-11 3000 96 94 wrn7312-3000(b) 12 15-2 8 10-14 3000 97 96 wrn7315-3000(b) 15 19-2 8 13-17 3000 97 96 wrn7403-4000(b) 3.3 4.5-2 8 2.5-5.5 4 000 93 88 wrn7405-4000(b) 05 6.5-2 8 3.0-6.0 4 000 95 91 wrn7406-4000(b) 6.5 8.5-2 8 5.0-7.5 4 000 96 93 note:vin-vout 1.5v~4.0v depending on vout if adjust function is used! add suffix "b" for 90 bend pins, for example: wrn 7 2 05-2000 b . model model model model model model model model selection selection selection selection selection selection selection selection wr wr wr wr wr wr wr wr n72 n72 n72 n72 n72 n72 n72 n72 05 05 05 05 05 05 05 05 - - - - - - - - 2000 2000 2000 2000 2000 2000 2000 2000 (b) (b) (b) (b) product series output voltage output current bend 90 pins wide wide wide wide input input input input non-isolated non-isolated non-isolated non-isolated & & & & regulated regulated regulated regulated single single single single output output output output features features features features features features features features efficiency up to 9 7 %,no heat-sink required 2 a mp adjustable positive step down integrated switching regulator operating temperature : -40 ~ +85 continuous s hort circuit protection (very low short current lin<50ma) over load protection (125% full load typical) sip12 package style synchronous rectification design adjustable output voltage remote on/off control(ground off) wide input range input voltage range 4.5v-28v applications applications applications applications applications applications applications applications th is wrn series is a high performance 2.5v to 15v ,2amp ,12-pin sip (single in-line package).integrated switching regulator (isr), synchrotron - rectified design yields excellent efficiencies up to 97%.short circuit protection with crowbar function to reduce the short circuit current to under 50ma of input current . microdc reserves the copyright output output output output output output output output specification specification specification specification specification specification specification specification s s s s s s s s item item item item test test test test conditions conditions conditions conditions min. min. min. min. typ. typ. typ. typ. max. max. max. max. units units units units output voltage accuracy 100% full load, input voltage range 1 2 % line regulation vin=min. to max, at full load 0.5 1 . 0 load regulation 10% to 100% load 0.5 1.0 ripple & noise* 20mhz bandwidth 40 70 mvp-p short circuit input current 50 1 00 ma short circuit protection continuous, auto-recovery shutdown current on / off pin pulled lo w 100 a switching frequency full load, input voltage range 270 3 00 330 khz quiescent current vin = min.to max.at 0% loa d 30 ma temperature coefficient -40 ~ +85 ambient 0.03 %/ output v oltage r ang e 2.5 17 v remote on / off ** open or high (power on ) 4.5 28 v low (power off) 0.8 v output current limit wrn72xx-2000&wrn72xx-2000b 2500 3000 ma wrn73xx-3000&wrn73xx-3000b 3750 4250 wrn74xx-4000&wrn74xx-4000b 5000 5500 *test ripple and noise by "p arallel cable " method. ** on / off pin driven by ttl (logic gate),open-collector bipolar transistor or open-drain mosfet. common common common common common common common common specification specification specification specification specification specification specification specification s s s s s s s s case material plastic(ul94-v0) mtbf (nominal v out,100% load ) tamb.=+25 749 k hrs , tamb.=+85 150 k hrs weight 10.7 g operating case temperature +110 max) thermal impedanc e natural convectio n 25 /w max) internal power dissipation ta < 60 1.4w max)
wrn72xx-2000(b)&wrn73xx- wrn72xx-2000(b)&wrn73xx- wrn72xx-2000(b)&wrn73xx- wrn72xx-2000(b)&wrn73xx- wrn72xx-2000(b)&wrn73xx- wrn72xx-2000(b)&wrn73xx- wrn72xx-2000(b)&wrn73xx- wrn72xx-2000(b)&wrn73xx- 3 3 3 3 3 3 3 3 000(b)&wrn74xx- 000(b)&wrn74xx- 000(b)&wrn74xx- 000(b)&wrn74xx- 000(b)&wrn74xx- 000(b)&wrn74xx- 000(b)&wrn74xx- 000(b)&wrn74xx- 4 4 4 4 4 4 4 4 000(b) 000(b) 000(b) 000(b) 000(b) 000(b) 000(b) 000(b) series series http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 2 of 4 output output output output output output output output current current current current current current current current vs vs vs vs vs vs vs vs input input input input input input input input voltage voltage voltage voltage voltage voltage voltage voltage how how how how to to to to calculating calculating calculating calculating the the the the max max max max output output output output current current current current the internal power dissipation(pd)follows the equation: pd = io vo (1- ) io = pd / vo (1- ) where pd = internal power dissipation io = output current vo = output voltage = efficiency example:r-745.0p ,at vin = 28vdc ,vo = 5vdc , =91% (see table 1) (a) when ta = 60 c ,pd = 1.4 watt (see fig-1) io = 1.4(w) / 5(v) (1-0.91) = 3.11(a) (b) when ta = 85 c ,pd = 1 watt (see fig-1) io = 1(w) / 5(v) (1-0.91) = 2.222(a) (c) at vin = 12vdc efficiency = 94% (see table 1) when ta = 85 c ,pd = 1 watt (see fig-1) io = 1(w) / 5(v) (1-0.94) =3.33(a) standard standard standard standard standard standard standard standard application application application application application application application application circuit circuit circuit circuit circuit circuit circuit circuit characteistics characteistics characteistics characteistics characteistics characteistics characteistics characteistics wrn72xx / wrn73xx wrn74xx wrn72xx / wrn73xx ripple vs vin ripple vs vin efficiency vs vin wrn74xx wrn72xx / wrn73xx / wrn74xx wrn72xx / wrn73xx / wrn74xx efficiency vs vin efficiency / load vin=min efficiency / load vin=max
wrn72xx-2000(b)&wrn73xx- wrn72xx-2000(b)&wrn73xx- wrn72xx-2000(b)&wrn73xx- wrn72xx-2000(b)&wrn73xx- wrn72xx-2000(b)&wrn73xx- wrn72xx-2000(b)&wrn73xx- wrn72xx-2000(b)&wrn73xx- wrn72xx-2000(b)&wrn73xx- 3 3 3 3 3 3 3 3 000(b)&wrn74xx- 000(b)&wrn74xx- 000(b)&wrn74xx- 000(b)&wrn74xx- 000(b)&wrn74xx- 000(b)&wrn74xx- 000(b)&wrn74xx- 000(b)&wrn74xx- 4 4 4 4 4 4 4 4 000(b) 000(b) 000(b) 000(b) 000(b) 000(b) 000(b) 000(b) series series http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 3 of 4 table1:adjustment table1:adjustment table1:adjustment table1:adjustment table1:adjustment table1:adjustment table1:adjustment table1:adjustment resistor resistor resistor resistor resistor resistor resistor resistor values values values values values values values values 2000ma dc wrn7203-2000(b) wrn7205-2000(b) wrn7206-2000(b) WRN7209-2000(b) wrn7212-2000(b) wrn7215-2000(b) 3 000ma dc wrn7303-3000(b) wrn7305-3000(b) wrn7306-3000(b) wrn7309-3000(b) wrn7312-3000(b) wrn7315-3000(b) 4 000ma dc wrn7403-4000(b) wrn7405-4000(b) wrn7406-4000(b) ----- ----- ----- vout (nominal) 3.3vdc 5vdc 6.5vdc 9vdc 12vdc 15vdc vout (adj) r1 r2 r1 r2 r1 r2 r1 r2 r1 r2 r1 r2 2.5 8.5k 3.0 33k 470 3.2 110k 1.6k 3.3 2.2k 3.4 36k 3.0k 3.6 11k 4.7k 3.9 4.7k 8.5k 4.5 1.6k 30k 4.9 820 220k 5.0 680 11k 5.1 560 28k 12k 5.5 190 2.6k 20k 6.0 47k 6.5 7.0 560 13k 8.0 330 31k 9.0 10 2.2k 20k 11 390 47k 12 13 2.4k 36k 14 390 76k 15 16 2.6k 17 860 18
wrn72xx-2000(b)&wrn73xx- wrn72xx-2000(b)&wrn73xx- wrn72xx-2000(b)&wrn73xx- wrn72xx-2000(b)&wrn73xx- wrn72xx-2000(b)&wrn73xx- wrn72xx-2000(b)&wrn73xx- wrn72xx-2000(b)&wrn73xx- wrn72xx-2000(b)&wrn73xx- 3 3 3 3 3 3 3 3 000(b)&wrn74xx- 000(b)&wrn74xx- 000(b)&wrn74xx- 000(b)&wrn74xx- 000(b)&wrn74xx- 000(b)&wrn74xx- 000(b)&wrn74xx- 000(b)&wrn74xx- 4 4 4 4 4 4 4 4 000(b) 000(b) 000(b) 000(b) 000(b) 000(b) 000(b) 000(b) series series http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 4 of 4 outline outline outline outline outline outline outline outline dimensions dimensions dimensions dimensions dimensions dimensions dimensions dimensions & & & & & & & & footprint footprint footprint footprint footprint footprint footprint footprint details details details details details details details details mechanical mechanical mechanical mechanical mechanical mechanical mechanical mechanical dimensions dimensions dimensions dimensions dimensions dimensions dimensions dimensions recommended recommended recommended recommended recommended recommended recommended recommended footprint footprint footprint footprint footprint footprint footprint footprint note: unit:mm[inch] pin section tolerances: 0.10mm[ 0.004inch] general tolerances: 0.25mm[ 0.010inch] note: unit:mm[inch] pin section tolerances: 0.10mm[ 0.004inch] general tolerances: 0.25mm[ 0.010inch] pin connections pin name description 1 on/off input pin :active low (less than 0.8v) to disable the device 2.3.4 vin power input 5.6.7.8 gnd input and output ground (common) 9.10.11 vout power output 12 vout-adj with external resistors r1,r2 to selected output voltage tolerance: 0.25 mm tube tube tube tube tube tube tube tube outline outline outline outline outline outline outline outline dimensions dimensions dimensions dimensions dimensions dimensions dimensions dimensions wrn72xx-2000 wrn72xx-2000 wrn72xx-2000 wrn72xx-2000 wrn72xx-2000b wrn72xx-2000b wrn72xx-2000b wrn72xx-2000b note: unit :mm[inch] general tolerances: 0.50mm[ 0.020inch] l=530mm[20.866inch] devices per tube quantity: 15pcs l=220mm[8.661inch] devices per tube quantity: 6pcs short tube inner packaging dimensions: l*w*h=255*170*80mm short tube outer packaging dimensions(with six inner packaging boxes): l*w*h=375*280*270mm long tube inner packaging dimensions: l*w*h=580*200*100mm long tube outer packaging dimensions(with two inner packaging boxes): l*w*h=600*215*220mm long tube outer packaging dimensions(with three inner packaging boxes): l*w*h=600*215*325mm note: 1. all specifications measured at ta=25 , humidity<75%, nominal input voltage and rated output load unless otherwise specified. 2. only typical models listed, other models may be different, please contact our technical person for more details. 3. in this data sheet, all the test methods of indications are based on corporate standards.
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