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lightline dc/dc-converter with 5 year warranty rcd-24/pl smd constant current led driver built-in class a or class b emc filter wide input and output voltage range digital pwm and analogue voltage dimming short circuit and overtemperature protected low cost en/railways certified 5 year warranty features regulated converters selection guide input voltage (absolute maximum) 40vdc max recommended input voltage 6v min. / 24v typ. / 36vdc max input filter suffix /a capacitor suffix /b class b with pi filter rcd-24-1.00/pl/a class a with pi filter output current accuracy (vin=24v) 300-700ma 2% typ, 3% max 1000ma 3% typ, 5% max internal power dissipation worst case load of 5 leds (300-700ma) 700mw max. worst case load of 8 leds (1000ma), vin=36v 1.6w typ. output current stability vin = 36v, vout = 1-9 leds (300-700ma) 1% max vin = 36v, vout = 1-8 leds (1000ma) 1.5% max. output ripple and noise (20mhz bw) vin=36v, vout =1-9 leds (300-700ma) vin=36v, vout =1-8 leds (1000ma) 300mvp-p max temperature coefficient -40c to +85c ambient 0.015%/c max maximum capacitive load 100f operating frequency 300-1000ma 212khz min/ 250khz typ/ 280khz max efficiency at full load 300-700ma 96% typ. vin=36v, vout=8 leds (1000ma) 94% typ. short circuit protection regulated at rated output current operating temperature range 300/350ma -40c to +85c 500ma -40c to +80c 600/700ma -40c to +75c 1000ma -40c to +65c storage temperature range -55c to +125c relative humidity 5% to 95% rh, non-condensing continued on next page specifications (typical at 25c, nominal input voltage, rated output current unless otherwise specified ) description the rcd-24-xxx/pl series is a step-down constant current source designed for driving high power leds. the converter uses a pinless smd open frame design to reduce cost and size. output currents available are 300ma, 350ma, 500ma, 600ma, 700ma and 1000ma with either class a (suffix /a) or class b (suffix /b) built-in emc filtering. despite its compact size, the rcd-pl series is fully featured with very high efficiency, wide input voltage range, high ambient operating temperature and two means of led dimming: pwm/digital control and analogue voltage dimming. both dimming controls are independent and can be combined. the driver is also designed to be as reliable as the leds it is driving, even at the full ambient operating temperature and is designed for strip lighting, wall washers and flourescent tube replacement designs, where a low profile and narrow width are demanded. part input output output dimming mounting number range current voltage control style (vdc) (ma) (vmin-vmax) rcd-24-0.30/pl* 4.5-36v 0-300 2-35 digital + analogue pinless smd rcd-24-0.35/pl* 4.5-36v 0-350 2-35 digital + analogue pinless smd rcd-24-0.50/pl* 4.5-36v 0-500 2-35 digital + analogue pinless smd rcd-24-0.60/pl* 4.5-36v 0-600 2-35 digital + analogue pinless smd rcd-24-0.70/pl* 4.5-36v 0-700 2-35 digital + analogue pinless smd rcd-24-1.00/pl/a 6-36v 0-1000 2-32 digital + analogue pinless smd * /a for emc class a input filter add -r for tape and reel packaging e.g. rcd-24-0.35/pl/b-r * /b for emc class b input filter note: rcd-24-1.00/pl/a only available with class a filter

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" constant current led driver en-50121-3-2 certified en-60950-1 certified ul-60950-1 certified rohs 2011/65/eu 6/6 e358085 refer to application notes derating-graph (ambient temperature) www.recom-power.com l-9 rev: 1/2016
rcd-pl lightline dc/dc-converter rcd-24-pl series specifications (typical at 25c, nominal input voltage, rated output current unless otherwise specified ) dimensions 31.0 x 11.4 x 6.6mm weight 1.9g packing quantity 12 pcs per tube / 400 pcs per reel reflow soldering profile 265c/10 sec max mtbf (using mil hdbk 217f) +25c >600 khours pwm dimming and on/off control (leave open if not used) remote on/off dc/dc on open or 0v!;' $% $ " vin = 24v, iout = 300~1000ma 0++!
!;' $% $ " vin = 32v, iout = 300~1000ma note: 1. all 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. 2. it is not possible to parallel the drivers to increase the current. l-10 www.recom-power.com rev: 1/2016
rcd-pl analogue dimming digital dimming

!" #$% !" #$% lightline dc/dc-converter rcd-24-pl series package style and pinning dimming xx.x 0.5 mm xx.xx 0.25 mm pad connections rcd-24-pl series pad # out comments 1 +vin dc supply 2 analogue dimming leave open if not used 3 pwm/on/off leave open if not used 4 gnd do not connect to -vout 5 -vout led cathode connection 6 +vout led anode connection g## ) g '#:$ ) " ((( ((%-+..( * ((g( (" &("3b89& ( (" "( ( ( ( (# =+$& ( #( $%
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$% $ ($ ("$ www.recom-power.com l-11 rev: 1/2016 the product information and specifications are subject to change without prior notice. recom products are not authorized for us e in safety-critical applications (such as life support) without recoms explicit written consent. a safety-critical application is defined as an applica tion where a failure of a recom product may reasonably b e expected to endanger or cause loss of life, inflict bodily harm or damage property. the buyer shall indemnify and hold harmless recom, its affiliated companies and its representatives against any damage claims in connecti on with the unauthorized use of recom products in such safety-critical applications. note: 3. if pwm dimming is used, a capacitor on output in parallel is required. 4581 $
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