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LDH-45DA(B) Series

DC-DC Step-Up Constant Current LED driver

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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 Sheet
untitled-3Download PDF
untitled-3Download 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 Sheet
untitled-3Download PDF
untitled-3Download PDF