LDD-L

DC-DC Constant Current LED driver Features : LDD-L Constant current output: 300mA to 700mA series Wide input voltage: 9 ~ 36VDC Wide output LED string voltage: 2 ~ 32VDC High efficiency up to 95% 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 SPECIFICATION ORDER NO. CURRENT RANGE VOLTAGE RANGE OUTPUT CURRENT ACCURACY (Typ.) LDD-300L 300mA 2 ~ 32VDC 5% at 24VDC input 150mVp-p 150mVp-p 200mVp-p 200mVp-p LDD-350L 350mA LDD-500L 500mA LDD-600L 600mA LDD-700L 700mA RIPPLE & NOISE(max.) Note.2 150mVp-p 40KHz ~ 1000KHz SWITCHING FREQENCY EXTERNAL CAPACITANCE LOAD (max.) 2.2uF INPUT 9 ~ 36VDC VOLTAGE RANGE 95% at full load and 24VDC/36VDC input EFFICIENCY (max.) 350mA Full load Note.3 300mA DC CURRENT 10mA No load FILTER Capacitor Leave open if not use 500mA 600mA 700mA 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 >3.5 ~ 8VDC or open circuit Power OFF : DIM ~ -Vin < 0.5VDC 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 EMS IMMUNITY MTBF DIMENSION OTHERS WEIGHT POTTING MATERIAL 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 ) 22.6*9.9*8.9mm or 0.89"*0.39"*0.33" inch (L*W*H) 4g Expoxy(UL94-V0) Mechanical Specification 9.9 ( 0.39 ) 1 34 2.54 ( 0.10 ) 17.78 (0.7) 22.6 (0.89) Pin Configuration Unit: mm (inch) Pin No. 1 3 Output +Vin PWM DIM Comment DC Supply ON/OFF and PWM Dimming (Leave open if not used) Don't connect to -Vout LED - Connection LED + Connection -40 100 Derating Curve 3.81 ( 0.15 ) LOAD (%) 85 for 300~500mA 71 for 600~700mA 75 50 25 B OTTOM VIEW SIDE VIEW 4 5 6 -Vin -Vout +Vout 6 5 8.9 (0.33) 0 25 50 71 85 100 7.62(0.30) Ta ( ) NOTE 1.All parameters are specified at normal input(24VDC), 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: 24VDC input. File Name:LDD-L-SPEC 2011-06-02 DC-DC Constant Current LED driver PWM Dimming Control H ON ON ON LDD-L series Standard Application +Vin +Vout 1st LED PWM Signal L OFF OFF 100~1KHz OFF PWM Max H L Dimming LDD-L Last LED Output Current 0 During PWM dimming operation, the output current will change to PWM style. 100 Tol : 3%(Typ.) 75 I out (% ) -Vin H: >3.5~8VDC or open circuit L: