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| ! " # ! $ $ rcd-48 rcd-48 lightline dc/dc-converter with 5 year warranty constant current buck led driver selection guide operating input voltage range 9-60vdc absolute maximum input voltage 65vdc max. output led string voltage range 2v min. / 56v max. (depand on the input voltage, defined by the output impedance, see safe operating area) input filter capacitor output current accuracy 3% typ. / 5% max. internal power dissipation 350ma 0.8w typ. (vin=60v, vout=56v) 500ma 1.0w typ. 700ma 1.1w typ. 1000ma 1.3w typ. 1200ma 1.4w typ. output current stability vin=60v, vout=2-56v, iout=350-1200ma 1% max. output ripple and noise (20mhz bw) vin=60v, vout=2-56v, iout=350-1200ma 300mvp-p max. maximum capacitive load 100f max. switching frequency 50khz min. / 1000khz max. efficiency at full load 96% typ. pwm dimming control & remote on/off control input voltage range 5v typ. / 10v max. threshold voltage device on 0.5v max. device off 2.0v min. pwm frequency for linear operation 200hz max. frequency limit 1000hz max. analogue dimming control (leave open if not used - do not tie to +v in ) input voltage range 0v min. / 10v max. control voltage range 0v min. / 5.1v max. note: the analogue dimming range is from 0% to 100%, but the output can be unstable below 10%, when using the analo- gue dimming function. analogue pin drive current vc=5v 0.2ma max. vref version vref voltage 4.95v vref output current 0.5ma vref output short circuit current 2ma typ. ambient temperature 350ma -40c to +80c (free air convection) 500ma -40c to +80c 700ma -40c to +75c 1000ma -40c to +60c 1200ma -40c to +50c analogue and pwm dimming control note: leave open if not used - do not tie to +vin continued on next page specifications (typical at 25c, nominal input voltage, rated output current unless otherwise specified ) description the rcd-48 series is a step-down constant current source designed for driving high power led applications. four output currents are available. the maximum output voltage is 56v. the buck drivers have digital pwm and/or analogue voltage dimming control and are special featured with very high efficiency. typical applications are 48v bus lighting solutions or high voltage led arrays (e.g. high bay lights). 70w buck led driver constant current output (350 to 1200ma) digital pwm and analogue voltage dimming high efficiency to 96% en, ul and railways certified metal or plastic case version ip67 rated for /w, plastic case version features led driver part input output output dimming efficiency number range current voltage control typ. (vdc) (ma) (vdc) (%) rcd-48-0.35* 9-60 0-350 2-56 digital + analogue 96 rcd-48-0.50* 9-60 0-500 2-56 digital + analogue 96 rcd-48-0.70* 9-60 0-700 2-56 digital + analogue 96 rcd-48-1.00* 9-60 0-1000 2-56 digital + analogue 96 rcd-48-1.20/m 9-60 0-1200 2-56 digital + analogue 96 *add suffix /w for wired version with vref output and analogue + pwm dimming control (seven wires) note: add suffix /m for metal case (rcd-48-1.20/m only). no metal case with wires available. standard version (no suffix) and wired version (suffix /w) only in plastic case. en-50121-3-2 certified en-60950-1 certified ul-60950-1 certified e224736 rohs 2011/65/eu 6/6 refer to application notes derating-graph (ambient temperature) l-12 www.recom-power.com rev: 0/2015 %- /%3, %+ % -%-+ ,% 4 2 5 + , * - / ,& %+, %- %+, %+, %1%+60 * %- %- #2 5 + + #( rcd-48 rcd-48 series specifications (typical at 25c, nominal input voltage, rated output current unless otherwise specified package style and pinning unit: mm tolerance: xx.x 0.5 mm xx.xx 0.25 mm pin connections rcd-48-x.xx pin# function comments 1 +vin dc supply 2 gnd do not connect to -vout 3 vref vref voltage 5v typ. 4 pwm/on/off leave open if not used 5 analogue dimming leave open if not used 6 -vout led cathode connection 7 +vout led anode connection storage temperature -55c to +125c case thermal impedance 10c/w typ. soldering temperature 265c / 10sec. max. relative humidity 95% rh input filter capacitor only short circuit protection continuous, auto recovery case material non conductive black plastic metal case potting material silicone potting material (ul94v-0) case dimensions plastic case 32.6 x 16.65 x 11.10 mm metal case 32.6 x 16.0 x 11.2 mm package weight pinned (plastic case) 13g wired (plastic case) 16g pinned (metal case) 16g packing quantity pinned (plastic/metal case) 29 pcs. wired (plastic case) 12 pcs. mtbf (using mil-hdbk217f) +25c 1700 x 103 hours (nominal vin at full load) note: detailed information see application notes chapter mtbf safety shock / vibration en61373 emc railways en50121-3-2:2006 conducted en55011 radiated en55011 esd en61000-4-2 radiated immunity en61000-4-3 fast transient en61000-4-4 surge en61000-4-5 conducted immunity en61000-4-6 through hole case (plastic) lightline dc/dc-converter " $ $ %! % & %! % safe operating area through hole case (metal) %- /%3, %- % -% ,% 4 2 5 + , * - / ,& %+, %- %+, %+, %1%+60 * %- %- note: 1all led drivers may not be used without a load. they must be switched on the primary side only. noncompliance may damage the led or reduce its lifetime. www.recom-power.com l-13 rev: 0/2015 rcd-48 rcd-48 series lightline dc/dc-converter package style and pinning emi filter suggestions wire connections rcd-48-x.xx/w pin# function wire color 1 +vin red 2 gnd black 3 vref yellow 4 pwm/on/off blue 5 analogue dimming green 6 led- brown 7 led+ yellow wires: ul/csa approved (22awg/300v) wired version (plastic) c 2 a 2 a !d 4 9 " (# ( a $ 2 ( (" ( #( ( ( (" unit: mm tolerance: xx.x 1.0 mm xx.xx 0.25 mm 70,. 4 89 * - + / . 3 ) , ) + - / , 2: * 2 1 0 1 0 , + 1 0 3 * / . + , * - / filter suggestion l1 1mh (e.g. we744272102) c1 10f c2 1f c3 100nf close to pins c4 - c9 10nf l-14 www.recom-power.com rev: 0/2015 // // // ef e 1 b& 8, $ % 45 (" 6 g #'0++! !; 45 (" 45 (?< 6 g $ + ( 8 ( 6 g 6 g 105105 105 105" 105 44 c $5a, #'0++! !; #'0++! !; #"'0++! !; standard application single string application pwm dimming controlled ( ( ( ( "( " %$ % ' %$ % $ lighting/backlighting wall application high efficiency lighting dimming controlled by analog voltage 45 &(&& 1, 105 /, 105 $ h 5 % 8 h 5 % $ + 105 1056 ) ) 105 105 8 |
Price & Availability of RCD-48-100W
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