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1.0 amp sip3 single output innoline dc/dc-converter r-78xx-1.0 series efficiency up to 94%, non-isolated, no need for heatsinks! pin-out compatible with lm78xx linears very low profile (l*w*h=11.5*7.5*10.2mm) wide input range (4.75v ~ 18v) short circuit protection, thermal shutdown ul94v-0 package material non standard outputs available as specials between 1.5v ~5.5v low ripple and noise features selection guide part input output output efficiency number range voltage current min. vin max. vin sip3 (v) (v) (a) (%) (%) r-781.8-1.0 4.75 C 18 1.8 1.0 82 76 r-782.5-1.0 4.75 C 18 2.5 1.0 87 81 r-783.3-1.0 4.75 C 18 3.3 1.0 90 84 r-785.0-1.0 6.5 C 18 5.0 1.0 94 89

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1 derating-graph (ambient temperature) characteristics conditions min. typ. max. input voltage range all series 4.75 18v output voltage range all series 1.5 5.5v output current all series 0 1000ma output current limit all series 3000ma short circuit input current all series 10 30ma internal power dissipation 0.4w short circuit protection continuous, automatic recovery output voltage accuracy (at 100% load) all series 2 3% line regulation (100% load, vin max.) all series 0.2 0.4% load regulation (10 to 100% full load) all series 0.4 0.6% dynamic load stability 100% <-> 50% load 85mv 100mv ripple & noise (20mhz bw) all series 20mvp-p 30mvp-p temperature coefficient -40c ~ +85c ambient 0.015%/c max capacitance load 220f switching frequency 280 350 430khz quiescent current vin = min. to max. at 0% load 5 7ma operating temperature range -40c +85c operating case temperature (with derating) +100c storage temperature range -55c +125c case thermal impendance 70c/w thermal shutdown internal ic junction +160c package weight 1.9g mtbf (+25c) using mil-hdbk 217f 13338 x 103 hours . (+71c) using mil-hdbk 217f 3880 x 103 hours specifications ( typical at 25c, 10% minimum load, unless otherwise specified ) } detailed information see application notes chapter "mtbf" the r-78xx-1.0 series high efficiency switching regulators are ideally suited to replace 1 amp 78xx linear regulators and are pin compatible. the efficiency of up to 97% 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. low ripple and noise figures and a short circuit input current of typically only 10ma round off the specifications of this versatile converter series. description 27-march-2007 www.recom-international.com 148
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add a blocking diode to vout if current can flow backwards into the out- put, as this can damage the converter.. 27-march-2007 149 www.recom-international.com
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&% r-78xx-1.0 series high efficiency, isolated, dual regulated outputs isolated (up to 6kv), wide input range regulated output pin connections pin # 1 +vin 2 gnd 3 +vout xx.x 0.5mm xx.xx 0.25mm recommended footprint details 27-march-2007 www.recom-international.com 150

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