i-1 rev.: 0/2016 www.recom-power.com dc/dc converter 3 y e a r w a r r a n t y 3 specifcations (measured @ ta= 25c, full load, nominal input voltage and after warm-up) basic characteristics parameter condition min. typ. max. nominal input voltage 24vdc input current @ no load 1.5ma minimum load (3) 2% operating frequency 570khz output ripple and noise 20mhz bandwidth 3.3, 5, 9vout 12, 15vout 50mvp-p 70mvp-p description the r-78e series is a switching regulator module that has been designed to offer all the advantages of a switching regulator (high effciency, wide input range, accurate output voltage regulation) but with a low cost for production quantities. due to the r-78es high effciency of up to 95% no heat-sink is required. the compact to-220 compatible sip3 package measures only 11.6 x 8.5 x 10.4mm, so it saves precious board space. features switching regulator ? low cost switching regulator ? high start-up current capability ? effciency up to 95% ? short circuit protection ? pin compatible with 78 series regulators ? non isolated dc-dc converter ? iec/en60950-1, am2 certifed 500ma sip3 single output r-78e-0.5 selection guide part input output output effciency max. capacitive number voltage range voltage current typ (1) load (2) [vdc] [vdc] [ma] [%] [f] r-78e3.3-0.5 6-28 3.3 500 75-88 220 r-78e5.0-0.5 7-28 5 500 82-92 220 r-78e9.0-0.5 12-28 9 500 89-94 220 r-78e12-0.5 15-28 12 500 92-95 220 r-78e15-0.5 18-28 15 500 93-95 220 iec60950-1 certifed en60950-1 certifed effciency vs load r-78e5.0-0.5 7vin 12vin 24vin 28vin efficiency [%] load current [a] 0 100 90 80 70 60 50 40 30 20 10 0 0.1 0.2 0.3 0.4 0.5 notes: note1: test by maximum/minimum input, full load and @25c. note2: test by minimum input and constant resistive load. notes: note3: recommend to use with more than 2% load, if not, the ripple of the product may exceeds the specifcation, but doesnt affect the reliability of the product.
safety and certifications certifcate type (safety) report / file number standard information technology equipment, general requirements for safety (lvd) lvd1603123 iec/en60950-1, 2nd edition, am2:2013 emc compliance condition standard / criterion information technology equipment - radio disturbance characteristics - limits and methods of measurement with external flter en55022, class a or b i-2 rev.: 0/2016 www.recom-power.com dc/dc converter environmental parameter condition value operating temperature range natural convection and with derating -40c to +85c maximum case temperature 100c vibration 10-55hz, 2g, 30min along x,y,z mtbf mil-hdbk 217f, +25c mil-hdbk 217f, +85c 4185 x 10 3 hours 2182 x 10 3 hours -40 60 80 85 100 40 20 0 0 20 40 60 80 100 ambient temperature [c] output power [%] derating graph specifcations (measured @ ta= 25c, full load, nominal input voltage and after warm-up) r-78e-0.5 series c2 c1 l1 +v in gnd +v out gnd r-78exx-0.5 regulations parameter condition value output voltage accuracy 3% typ. line voltage regulation low line to high line, full load 0.5% typ. load voltage regulation 10% to 100% load 1% typ. protections parameter condition value short circuit protection (scp) continuous, automatic recovery emi filter suggestion class a and b level c1 l1 c2 class a 1206 4.7f, 50v mlcc 3.3h na class b 1210 10f, 50v mlcc 10h 1206 4.7f, 50v mlcc
installation and application i-3 rev.: 0/2016 www.recom-power.com specifcations (measured @ ta= 25c, full load, nominal input voltage and after warm-up) r-78e-0.5 series dimensions and physical characteristics parameter condition value material case potting ul94v-0, non-conductive black plastic ul94v-0, silicone package dimension (lxwxh) 11.6 x 8.5 x 10.4mm package weight 2g typ. packaging information parameter type value packaging dimension (lxwxh) tube 520 x 11.2 x 18.2mm packaging quantity 42pcs. storage temperature range -55c to +125c bottom view top view ?1.0 +0.15/-0 2.54 2.54 1 2 3 2.0 8.5 11.6 0.5 3.21 5.08 10.4 4.10 0.51 0.25 r-78exx-0.5 xxxx r-78exx-0.5 xxxx marking embossed logo dimension drawing (mm) the product information and specifcations are subject to change without prior notice. recom products are not authorized for use in safety-critical applications (such as life support) without recoms explicit written consent. a safety-critical application is defned as an application where a failure of a recom product may reasonably be expected to endanger or cause loss of life, infict bodily harm or damage property. the buyer shall indemnify and hold harmless recom, its affliated companies and its representatives against any damage claims in connection with the unauthorized use of recom products in such safety-critical applications. pin connections pin # function 1 +vin 2 gnd 3 +vout tolerance: xx.x= 0.50mm xx.xx= 0.25mm 10f mlcc (optional) 10f mlcc (optional) c1 c2 +v in gnd +v out gnd r-78exx-0.5 standard application: notes: note4: the r-78exx-0.5 cant be used as positive to negativ converter. dc/dc converter
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