LDH-45DA(B) Series DC-DC Step-Up Constant Current LED driver Application: LED Lighting LED Moving Sign Features * DC/DC step-up converter * Constant current output 350mA to 1050mA * Wide output LED string voltage up to 126VDC * High efficiency up to 95% * Built-in EMI filter,comply with EN55015 without additional input filter and capacitors * PWM + analog dimming and remote ON/OFF control [(Blank) type or W type] * DALI dimming [(Blank)DA type or WDA type] * Protections: Short circuit / Over voltage / Under voltage * Cooling by free air convection * Fully encapsulated * 3 years warranty LDH-45DA series MODELLDH-45DA(B)-350LDH-45DA(B)-500 OUTPUTRATED CURRENT350mA500mA CURRENT ACCURACY(Typ.)±5% at 24VDC input±5% at 24VDC input VOLTAGE RANGE(Non-DALI)21~126VDC21~86VDC VOLTAGE RANGE(DALI)36~126VDC 36~86VDC NO LOAD OUTPUT VOLTAGE(max.)146V100V RATED POWER44.1W43W RIPPLE & NOISE (max.) 2.5Vp-p 1.7Vp-p INPUTRATED VOLTAGE 24VDC24VDC VOLTAGE RANGE18~32VDC18~32VDC EFFICIENCY (max.)93%94% DC CURRENT (Typ.)2.1A2.1A Specs SheetDownload PDFDownload PDF LDH-45DA series MODELLDH-45DA(B)-700LDH-45DA(B)-1050 OUTPUTRATED CURRENT700mA1050mA CURRENT ACCURACY(Typ.)±5% at 24VDC input±5% at 24VDC input VOLTAGE RANGE(Non-DALI)21~64VDC21~43VDC VOLTAGE RANGE(DALI)36~64VDC36~43VDC NO LOAD OUTPUT VOLTAGE(max.)75V50V RATED POWER44.8W45.15W RIPPLE & NOISE (max.) 1.2Vp-p1.2Vp-p INPUTRATED VOLTAGE 24VDC24VDC VOLTAGE RANGE18~32VDC18~32VDC EFFICIENCY (max.)95%95% DC CURRENT (Typ.)2A2A Specs SheetDownload PDFDownload PDF