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l-16 www.recom-electronic.com rev: 0/2012 rbd-12 please read application notes rbd-12 rohs 2002/95/ec 6/6 lightline dc/dc-converter with 5 year warranty constant current buck-boost led driver selection guide operating input voltage range 8-36vdc absolute maximum input voltage 38vdc output led string voltage range 2v min. / 40v max. (depending on the input voltage, see safe operating area) input filter capacitor max. capacitance load 100f max. output current accuracy (note 1) 5% typ. internal power dissipation 350ma (vin=36v, vout=40v) 1.63w typ. 500ma (vin=36v, vout=40v) 2.33w typ. output current stability (note 2) vin=24v, vout=2-40v 2% max. output ripple and noise (20mhz bw) vin=24v, vout=6-40v 170map-p max. reflected back ripple current (20mhz bw) vin=24v, vout=6-40v 70map-p max. switching frequency 350khz typ. efficiency at full load vin=24v 92% typ. vref nominal 5v 0.8ma max. pwm dimming control & remote on/off control input voltage range 0v min. / 5v typ. / 10v max. threshold voltage device on 2v min. device off 0.1v max. frequency 1000hz max. analogue dimming control input voltage range 0v min. / 10v max. control voltage range 0.20.1v min. / 1.50.1v max. operating temperature 350ma -40c to +75c (see derating graph) 500ma -40c to +65c case temperature 115c max. storage temperature -55c to +125c case thermal impedance 10c/w soldering temperature pinned version 265c/10sec. max. relative humidity 95% rh max. short circuit protection continuous auto recovery overtemperature protection (auto recovery) 125c 5c (mosfet) case material non conductive black plastic potting material silicone potting material (ul94v-0) specifications (typical at 25c, nominal input voltage, rated output current unless otherwise specified) description the rbd-12 series is a buck-boost constant current source designed for driving high power led applications. two output currents are available, 350ma and 500ma, and the maximum output voltage is 40v. the drivers have digital and analogue voltage dimming control and a regulated reference 5v output. typical applications are solar, off-grid lighting, mobile traffic signs and battery-powered lighting. the wired version is ip67 rated. buck- boost led driver up to vout=40v constant current output (350 or 500ma) digital pwm and analogue voltage dimming high efficiency to 92% en60950-1 and ul60950-1 certified emc class a without extern components pinned or wired version 5 year warranty features led driver part input output output dimming efficiency number range current voltage control typ. (vdc) (ma) (vdc) (%) rbd-12-0.35* 8-36 0-350 2-40 digital + analogue 92 rbd-12-0.50* 8-36 0-500 2-40 digital + analogue 92 *add suffix /w for wired version with vref output and analogue + pwm dimming control (seven wires) derating graph en-60950-1 certified ul-60950-1 certified 0, , /+ * , + - -+ *+
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unit: mm tolerance: xx.x 0.5 mm xx.xx 0.25 mm pin connections rbd-12-x.xx pin# function comments 1 +vin dc supply 2 vref vref voltage 5v typ. 3 analogue dimming leave open if not used 4 pwm/on/off leave open if not used 5 gnd do not connect to -vout 6 -vout led cathode connection 7 +vout led anode connection case dimensions 32.60 x 16.65 x 11.10 mm package wight pinned version 13g wired version 17g packing quantity pinned version 29 pcs. wired version 12 pcs. mtbf (using mil-hdbk217f at 25c) 1700 x 103 hours certification en general safety report: spclvd1111102 en60950-1:2006 iec general safety report: spclvd1111102 iec60950-1:2005, 2nd edition ul general safety report: e224736 ul60950-1, 2nd edition wire connections rbd-12-x.xx/w pin# function wire color 1 +vin red 2 vref (5v typ.) yellow 3 analogue dimming green 4 pwm/on/off blue 5 gnd black 6 led- brown 7 led+ yellow wires: ul/csa approved (22awg/300v) rbd-12-x.xx/w - wired version rbd-12-x.xx - through hole case unit: mm tolerance: x 1 mm xx.x 0.5 mm xx.xx 0.25 mm %- %/+ * %- + , * - / /%3, g$ 2 45 = 5 4 (> 7 -%-+ %- % 3*%160* % %- * %- %+ % -%-+ ,% 42 5 + , * - / ,& %+, %- %+, %+, %1%+60 lightline dc/dc-converter note 1: output current accuracy is defined as: [(i out - i out rated ) / i out rated ] x 100 note 2: output current stability is defined as: [(i out deviation - i out nominal )/ i out nominal ] x 100 i out (deviation) = maximum deviation (min. load, max. load) standard applications en55022 class a without external filter en55015 without filter en55022 class b with filter:
l-18 www.recom-electronic.com rev: 0/2012 rbd-12 rbd-12 series standard application single string application pwm dimming controlled safe operating area 500 ma 350 ma solar lighting application dimming controlled by analog voltage ( ( ( ( "( "
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