LDH-45 series
LDH-45 series 02

LDH-45 series

DC-DC Step-Up Constant Current LED driver

LDH-45 series is a 45W DC/DC LED driver featuring constant current output. LDH-45’s operates from 12～86VDC and offers models with different rated current ranging between 350mA and 1050mA. With the high efficiency up to 95%, The 94V-0 flame retardant plastic case the fully-potted silicone enhance the heat dissipation allows this series to fit solar LED street light.

These models has a Blank , Wire Style , DA style , WDA style  – contact us for this special feature.

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Description

LDH-45 series

DC-DC Step-Up Constant Current LED driver

LDH-45 series is a 45W DC/DC LED driver featuring constant current output. LDH-45’s operates from 12～86VDC and offers models with different rated current ranging between 350mA and 1050mA. With the high efficiency up to 95%, The 94V-0 flame retardant plastic case the fully-potted silicone enhance the heat dissipation allows this series to fit solar LED street light. LDH-45 is equipped with various function options, such as dimming methodologies, so as to provide the optimal design flexibility for DC source LED lighting system.

Features (LDH-45) :

  • DC/DC step-up converter
  • Constant current output : 350mA to 1050mA
  • Wide output LED forward voltage up to 126V DC
  • High efficiency up to 95%
  • PWM + analog dimming and remote ON/OFF control [(Blank) type or W type]
  • DALI dimming [(Black) DA type or WDA type]
  • Protections: Short circuit / Over voltage / Under voltage
  • Cooling by free air convection
  • Fully encapsulated

Applications :

  • DC battery source lighting
  • Portable lighting
  • LED solar street lighting
  • LED greehouse lighting
  • LED Low-bay lighting

Additional information

Weight 14.8 kg
Dimensions 7.5 × 5.3 × 2.27 cm
LDH-45 Types :

LDH-45A-350, LDH-45A-500, LDH-45A-700, LDH-45A-1050, LDH-45B-350, LDH-45B-500, LDH-45B-700, LDH-45B-1050

Specification

Model LDH-45A-350 LDH-45A-500 LDH-45A-700 LDH-45A-1050 LDH-45B-350 LDH-45B-500 LDH-45B-700 LDH-45B-1050
Output RATED CURRENT 350mA 500mA 700mA 1050mA 350mA 500mA 700mA 1050mA
CURRENT ACCURACY(Typ.) ±5% at 12VDC input ±5% at 24VDC input
VOLTAGE RANGE Non-DALI 12~86VDC 12~86VDC 12~64VDC 12~43VDC 21~126VDC 21~86VDC 21~64VDC 21~43VDC
DALI 24~86VDC 24~86VDC 24~64VDC 24~43VDC 36~126VDC 36~86VDC 36~64VDC 36~43VDC
NO LOAD OUTPUT VOLTAGE(max.) 100V 100V 75V 50V 146V 100V 75V 50V
RATED POWER 30.1W 43W 44.8W 45.15W 44.1W 43W 44.8W 45.15W
RIPPLE & NOISE (max.) 2.5Vp-p 2.5Vp-p 1.9Vp-p 1.9Vp-p 2.5Vp-p 1.7Vp-p 1.2Vp-p 1.2Vp-p
Input RATED VOLTAGE 12VDC 24VDC
VOLTAGE RANGE 9~18VDC 18~32VDC
EFFICIENCY (Typ.) 91% 90% 90% 91% 93% 94% 95% 95%
DC CURRENT (Typ.) 2.8A 4.1A 4.2A 4.2A 2.1A 2.1A 2A 2A

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