LDD-H DC-DC Constant Current LED driver series Features : 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 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. OUTPUT INPUT LDD-300H LDD-350H LDD-500H LDD-600H LDD-700H LDD-1000H CURRENT RANGE 300mA 350mA 500mA 600mA 700mA 1000mA VOLTAGE RANGE 2 ~ 52VDC 200mVp-p 200mVp-p 350mVp-p 550mA 650mA 900mA 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 450mA Capacitor Leave open if not use 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 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 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 OTHERS 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 EMS IMMUNITY MTBF DIMENSION 2000Khrs min. MIL-HDBK-217F (25 ) 31.8*20.3*12.2mm or 1.25"*0.8"*0.48" inch (L*W*H) WEIGHT LDD-H:16g ; LDD-HW:18.6g POTTING MATERIAL 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 LDD-H DC-DC Constant Current LED driver Pin Configuration Mechanical Specification Blank type(LDD - H): - Unit: mm (inch) Pin No. Output Comment -Vin 20.3 [0.80] BOTTOM SIDE 3.81 [0.15] 11 12 14 13 VI EW 2.5 4 [0.1] VI EW 31.8 [1.25] 1 2 11,12 -Vout Don't connect to -Vout LED - Connection 13,14 +Vout LED + Connection 22 PWM DIM ON/OFF and PWM Dimming (Leave open if not used) 23,24 +Vin DC Supply Pin No. Output Comment 1,2 2.06 [0.08] 24 23 22 15.24 [0.60] 12.2 [0.48] NOTE:Pin size tolerance 0.60 0.05mm W type(LDD - -HW): 20.3[0.80] 12.2 [0.48] 5 2mm 100 10mm -Vin Don't connect (Black) to -Vout -Vout LED - Connection (Blue) +Vout LED + Connection (Yellow) 2 2 2 23 21 11 SIDE BOTTOM VIEW VI EW 11 31.8[1.25] 21 14 14 21 PWM DIM (White) ON/OFF and PWM Dimming (Leave open if not used) 23 +Vin (Red) DC Supply 11 PWM Dimming Control Derating Curve ON 100 L 85 for 300~500mA OFF OFF ON OFF for 600~1000mA Max 50 Output Current 25 -40 ON 100~1KHz 75 0 0 25 50 71 Ta ( ) 85 100 During PWM dimming operation, the output current will change to PWM style. 100 Tol : 3%(Typ.) 75 I out(% ) LOAD (%) H PWM Signal 71 series 50 25 0 25 50 75 100 Duty Cycle (%) File Name:LDD-H-SPEC 2011-10-07 LDD-H DC-DC Constant Current LED driver series Standard Application +Vin +Vout 1st LED PWM LDD-H H Dimming L Last LED -Vin -Vout H: >2.5~6VDC or open circuit L: <0.8VDC or short Efficiency VS Output Voltage(Number of LEDs) Fig-1 12VDC input, 1~3 LEDs(Vf=3V) Fig-2 24VDC input, 1~7 LEDs(Vf=3V) 300mA 300mA 100.0% 100% 100.0% 100% 350mA 350mA 500mA 500mA 300mA 300mA 600mA 600mA 350mA 350mA 600mA 600mA 700mA 700mA 1000mA 1000mA 90.0% 90% 700mA 700mA 1000mA 1000mA EFFICIENCY (%) 95.0% 95% EFFICIENCY (%) 95.0% 95% 500mA 500mA 90.0% 90% 85.0% 85% 85.0% 85% 80.0% 80% 75.0% 75% 80.0% 80% 11 22 33 11 22 3 55 66 77 Output Voltage(LEDs) Output Voltage(LEDs) Fig-3 44 3 36VDC input, 1~10 LEDs(Vf=3V) Fig-4 300mA 300mA 350mA 350mA 100.0% 100% 300mA 300mA 48VDC input, 1~14 LEDs(Vf=3V) 350mA 350mA 100.0% 100% 500mA 500mA 500mA 500mA 600mA 600mA 600mA 600mA 95.0% 95% 700mA 700mA 95.0% 95% 700mA 700mA 1000mA 1000mA 1000mA 1000mA EFFICIENCY (%) EFFICIENCY (%) 90.0% 90% 90.0% 90% 85.0% 85% 80.0% 80% 75.0% 75% 70.0% 70% 85.0% 85% 80.0% 80% 75.0% 75% 70.0% 70% 11 22 3 3 44 55 66 77 Output Voltage(LEDs) 88 99 10 10 65.0% 65% 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 12 11 12 13 13 14 14 Output Voltage(LEDs) File Name:LDD-H-SPEC 2011-10-07