tp78 xx - 0.5 series www.gztoppower.com tel:0086-20-82019000 email:sales2@gztoppower.com page 1 /3 description the tp78xx-0.5 series have high efficiency, short c ircuit protection, thermal shutdown, no heat sink required, industry standard pinout.ide al for redialing 78xx linear regulates and are pin compatible. wide input non-isolated regulated single output output characteristics parameter conditions min typ. max. units output voltage accuracy 100% full load 2 3 % line regulation vin= min. to max. (at full load) vout:1.5v-2.5v 0.5 1.0 vout:3.3v-15v 0.2 0.4 load regulation 10% to 100% load vout:1.5v-2.5v 0.4 0.75 vout:3.3v-15v 0.4 0.6 ripple & noise 20mhz bandwidth(refer to figure 3 ) 25 35 mvp-p short circuit input power 0.5 1.8 w short circuit protection continuous, automatic recovery thermal shutdown internal ic junction 150 output current limit vin= min. to max. at full load) vout:1.5v-3.3v 3000 ma vout:5v-15v 2000 switching frequency at full load, input voltage range 280 330 450 khz quiescent current 5 8 ma temperature coefficient C40 ~+85 0.02 %/ max capacitance load 1000 f all specifications typical at ta=25oc, nominal inpu t voltage and rated output current unless otherwise specified. features rohs compliant wide input non-isolated regulated single output efficiency up to 96% short circuit protection, thermal shutdown temperature range: -40oc ~ +85oc low ripple and noise sip package no heat sink required industry standard pinout selection guide part number input voltage (vdc) output efficiency % nominal range voltage vdc) current ma) vin (min) vin(max) tp781.5-0.5 12 4.75~26 1.5 500 76 66 tp781.8-0.5 12 4.75~28 1.8 500 79 67 tp782.5-0.5 12 4.75~28 2.5 500 85 73 tp783.3-0.5 24 4.75~28 3.3 500 90 80 tp785.0-0.5 24 6.5~32 5.0 500 93 84 tp786.0-0.5 24 8~32 6.0 500 94 87 tp789.0-0.5 24 11~32 9.0 500 95 91 tp7812-0.5 24 15~32 12 500 95 92 tp7815-0.5 24 18~32 15 500 96 93
tp78 xx - 0.5 series www.gztoppower.com tel:0086-20-82019000 email:sales2@gztoppower.com page 2 /3 common specifications parameter conditions min. typ. max. units storage humidity range 95 operating temp. range power derating (above 71 oc ) -40 85 storage temp. range -55 125 storage temp. range temp rise at full load 100 lead temperature 1.5mm from case for 10 seconds 300 cooling free air convection case material plastic (ul94-v0) mtbf 25 mil-hdbk-217f 2000 k hours weight 2.0 g temperature derating graphs external capacitor table part number c1(ceramic capacitor) c2(ceramic capaci tor) tp781.5-0.5 10 f/50v 22 f/6.3v tp781.8-0.5 10 f/50v 22 f/6.3v tp782.5-0.5 10 f/50v 22 f/6.3v tp783.3-0.5 10 f/50v 22 f/6.3v tp785.0-0.5 10 f/50v 22 f/10v tp786.5-0.5 10 f/50v 10 f/10v tp78 9.0 - 0.5 10 f/50v 10 f/16v tp7812-0.5 10 f/50v 10 f/25v tp7815-0.5 10 f/50v 10 f/25v standard application circuit note: 1. c1 and c2 are required and should be fitted clos e to the converter pins. 2. the capacitance of c1,c2 sees external capacitor table, it can be increased properly if required, a nd tantalum or low esr electrolytic capacitors may also suffice. 3. no parallel connection or plug and play. test configurations ta=25 1.efficiency and output voltage ripple test tp78xx-0.5 25.4 mm 25.4 mm 12.7 mm dc/dc converter 1 2 3 + vin gnd ceramic tantalum scope load 25.4 mm c1 c2 copper strip copper strip + vout 1uf 1uf
tp78 xx - 0.5 series www.gztoppower.com tel:0086-20-82019000 email:sales2@gztoppower.com page 3 /3 test configurations ta=25 2.start-up and load transient response test output ripple reduction to reduce output ripple, it is recommended to add a lc filter in output port. l: recommended parameter 10 h ~ 47 h. mechanical dimensions pin connections pin function 1 +vin 2 gnd 3 +vout recommended footprint details tube outline dimensions unless otherwise stated all dimensions in mm 0.5mm . l=520mm 2mm packaging quantity:43pcs l=220mm 2mm packaging quantity:17pcs 0.5 4.7 12.2 9.4 16.7 unless otherwise stated all dimensions in mm 0.5mm. dc/dc converter 1 2 3 + vin gnd scope load 25.4 mm c1 c2 copper strip 50.8 mm + vout copper strip all dimensions in mm 0.25.all pins on a 2.54mm pit ch. 2.54 2.54 3 1.00 1.15 3 holes 10.20 11.60 0.30 1.80 7.50 5.08 0.50 4.10 0.50 1 2 3 tp781.5-0.5 yyww bottom view toppower
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