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www.recom-international.com 1 13-february-2007 0.5 amp sip3 single output innoline dc/dc-converter r-78hbxx- 0.5(l) series efficiency up to 96%,non isolated, no need for heatsinks pin-out compatible with lm78xx linears low profile( l*w*h=11.5*8.5*17.5mm) high voltage input range, up to 72v short circuit protection, thermal shutdown non standard outputs available as specials between 3.3v~24v low ripple and noise l version with 90 pins see positive to negative converter application note for use as a voltage inverter (alternative to lm79xx linear) features selection guide part input output output efficiency number range voltage current vmin. 30v 72v sip3 (v) (v) (a) (%) (%) (%) r-78hb3.3-0.5 9 - 72 3.3 0.5 82 80 76 r-78hb5.0-0.5 9 - 72 5.0 0.5 87 85 81 r-78hb6.5-0.5 9 - 72 6.5 0.5 91 87 84 r-78hb9.0-0.5 14 - 72 9.0 0.5 92 90 86 r-78hb12-0.5 17 - 72 12 0.5 94 93 89 r-78hb15-0.5 20 - 72 15 0.5 95 94 91 r-78hb24-0.3 36 - 72 24 0.3 96 92

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derating-graph (ambient temperature) the r-78hbxx-series high efficiency, high input voltage switching regulators are ideally suited to replace 78xx linear regulators and are pin compatible. the efficiency of up to 96% means that very little energy is wasted as heat so there is no need for any heat sinks with their additional space and mounting costs. an input voltage range of up to 8:1is unsurpassed by any other converter and allows the full stored energy utilisation of standard and high voltage batteries. the fully protected output is ideal for industrial applications (especially for industry standard 24vdc bus supplies) and the l-version with 90 pins allows direct replace- ment for laid-flat regulators where component height is at a premium. low ripple and noise figures and a short circuit input current of typically only 15ma round off the specifications of this versatile converter series. typical applications include telecommunication, automotive, industrial, aerospace and battery powered applications. description * add suffix l for 90 bent pins, e.g. r-78hb5.0-0.5l
2 www.recom-international.com 13-february-2007 characteristics conditions min. typ. max. input voltage range see table 9 48 72v output voltage range (for customized parts) all series 3.3 24v output current (see note 1) 3.3v, 5v, 6.5v, 9v, 12v, 15v 10 500ma 24v 6 300ma output current limit (vin = 48vdc) all series 700 1200ma short circuit input current all series 15 25ma internal input filter 1f capacitor internal power dissipation 0.65w short circuit protection continuous, automatic recovery output voltage accuracy at 100% load 2 3% line voltage regulation vin = min. to max. at full load 0.4 1% load regulation 10% to 100% full load 0.3 0.6% dynamic load stability (with output capacitor=100f) 100% <-> 50% load 75mv 100mv ripple & noise (without output capacitor) 10% to 100% full load 20mvp-p 60mvp-p temperature coefficient -40c ~ +85c ambient 0.015%/c max capacitance load 100f switching frequency (see graph) full load 120 800khz quiescent current vin = 48vdc. at minimum load 1 5ma operating temperature range -40c +85c operating case temperature +100c storage temperature range -55c +125c case thermal impendance 60c / w thermal shutdown internal ic junction +160c relative humidity 95% rh package weight 4g case material non-conductive black plastic potting material epoxy (ul94v-0) soldering temperature 265c max./10 sec. mtbf (+25c) using mil-hdbk 217f 7395 x 103 hours . (+71c) using mil-hdbk 217f 1242 x 103 hours r-78hbxx-0.5 (l) series specifications (refer to the standard application circuit, ta: 25c, minimum load = 10%) innoline dc/dc-converter standard application circuit
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# %1%$*%)$0 $%# $!%$(%# &)"')%$"0%%#%**$0%,%%!%#1%$%$* r-78hbxx-0.5 (l) series switching frequency high input voltage multiple output supply pin connections pin # 1 +vin 2 gnd 3 +vout xx.x 0.5mm xx.xx 0.25mm recommended footprint details 13-february-2007 www.recom-international.com 4 l - version typical application

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