LDD-H_1110

DC-DC Constant Current LED driver Features : LDD-H Constant current output: 300mA to 1000mA Wide input voltage: 9 ~ 56VDC Wide output LED string voltage: 2 ~ 52VDC High efficiency up to 97% DC/DC step-down converter series Built-in EMI filter, comply with EN55015 and FCC part15 without additional input filter and capacitors Built-in PWM and remote ON/OFF control Protections: Short circuit / Over temperature Cooling by free air convection Fully encapsulated with IP67 level Compact size Low cost, high reliability Suitable for driving illumination LED 3 years warranty LDD-350H W Blank : pin style W : wire style SPECIFICATION ORDER NO. CURRENT RANGE VOLTAGE RANGE OUTPUT LDD-300H 300mA 2 ~ 52VDC 200mVp-p 200mVp-p 350mVp-p LDD-350H 350mA LDD-500H 500mA LDD-600H 600mA LDD-700H 700mA LDD-1000H 1000mA CURRENT ACCURACY (Typ.) 3% at 24VDC input ; 4% at 48VDC input 150mVp-p 150mVp-p RIPPLE & NOISE(max.) Note.2 150mVp-p 40KHz ~ 1000KHz SWITCHING FREQENCY EXTERNAL CAPACITANCE LOAD (max.) 2.2uF 9 ~ 56VDC VOLTAGE RANGE 97% at full load and 36VDC/48VDC input EFFICIENCY (max.) 320mA Full load Note.3 270mA DC CURRENT 10mA No load FILTER Capacitor Leave open if not use Power ON with dimming: DIM ~ -Vin >2.5 ~ 6VDC or open circuit Power OFF : DIM ~ -Vin < 0.8VDC or short 100 ~ 1KHz 1mA at PWM dimming OFF and 24VDC input Regulated at rated output current INPUT 450mA 550mA 650mA 900mA PWM REMOTE ON/OFF DIMMING & PWM FREQUENCY ON/OFF CONTROL QUIESCENT INPUT CURRENT IN SHUTDOWN MODE(max.) SHORT CIRCUIT PROTECTION OVER TEMPERATURE WORKING TEMP. WORKING HUMIDITY STORAGE TEMP., HUMIDITY ENVIRONMENT TEMP. COEFFICIENT VIBRATION Protection type: Can be continued, recovers automatically after fault condition is removed Tj 150 typically(IC1) detect on main control IC Protection type : Shut down, recovers automatically after temperature goes down -40 ~ + 85 (Refer to derating curve) 20% ~ 90% RH non-condensing -55 ~ +125 , 10 ~ 95% RH 0.03% / 10 ~ 500Hz, 2G 10min./1 cycle, period for 60min. each along X, Y, Z axes OPERATING CASE TEMP. (max.) 100 EMC EMS IMMUNITY MTBF DIMENSION OTHERS WEIGHT POTTING MATERIAL NOTE EMI CONDUCTION & RADIATION Compliance to EN55015, FCC part 15 class B Compliance to EN61000-4-2,3,4,6,8, light industry level, criteria A 2000Khrs min. MIL-HDBK-217F (25 ) 31.8*20.3*12.2mm or 1.25"*0.8"*0.48" inch (L*W*H) LDD-H:16g ; LDD-HW:18.6g Expoxy(UL94-V0) 1.All parameters are specified at normal input(48VDC), rated load, 25 70% RH ambient. 2.Ripple & noise are measured at 20MHz by using a 12" twisted pair terminated with a 0.1uf capacitor. 3.Test condition: 48VDC input. File Name:LDD-H-SPEC 2011-10-07 DC-DC Constant Current LED driver Mechanical Specification Blank type(LDD 20.3 [0.80] LDD-H Pin Configuration Pin No. Output -Vin -Vout +Vout PWM DIM Comment Don't connect to -Vout LED - Connection LED + Connection ON/OFF and PWM Dimming (Leave open if not used) DC Supply series H): 2.06 [0.08] Unit: mm (inch) 1,2 11,12 13,14 SIDE 31.8 [1.25] 24 23 22 BOTTOM VI EW 1 2 3.81 [0.15] VI EW 22 14 13 11 12 15.24 [0.60] 2.5 4 [0.1] 23,24 +Vin 12.2 [0.48] NOTE:Pin size tolerance 0.60 W type(LDD - -HW): 20.3[0.80] 0.05mm 5 2mm 100 10mm 12.2 [0.48] Pin No. 2 Output Comment 23 21 BOTTOM VIEW 2 2 21 11 31.8[1.25] SIDE VI EW 14 -Vin Don't connect (Black) to -Vout -Vout LED - Connection (Blue) +Vout LED + Connection (Yellow) PWM DIM (White) +Vin (Red) ON/OFF and PWM Dimming (Leave open if not used) DC Supply 21 14 11 11 23 Derating Curve PWM Dimming Control H ON ON ON LOAD (%) 100 75 71 50 25 for 600~1000mA PWM Signal 85 for 300~500mA L OFF OFF 100~1KHz OFF Max Output Current 0 0 25 50 71 85 100 During PWM dimming operation, the output current will change to PWM style. 100 Tol : 3%(Typ.) 75 -40 Ta ( ) I out (% ) 50 25 0 25 50 75 100 Duty Cycle (%) File Name:LDD-H-SPEC 2011-10-07 D C-DC Constant Current LED driver Standard Application +Vin +Vout 1st LED Dimming LDD-H series PWM H L LDD-H Last LED -Vin H: >2.5~6VDC or open circuit L: