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작성일 : 20-08-05 20:27
LDH-25/65Series 25/65W DC/DC LED Power Supply
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   https://www.meanwell.com/webapp/product/search.aspx?prod=LDH-25 [10]
   https://www.meanwell.com/webapp/product/search.aspx?prod=LDH-65 [10]

Global warming has drawn enormous attention to the green energy and DC House application; many countries start to promote energy-saving and safer electricity usage. MEAN WELL develops direct current (DC) input LED drive power supply : LDH-25/65 series for green energy LED lighting applications, including LED solar street lights or equipment with secondary battery applications, such as camping car/Yacht applications. LDH-25/65 series provide customers options for reducing conversion losses between DC bus to AC/DC driver.

LDH-25/65W which are designed as step up mode DC/DC LED driver can be used with a secondary battery bus. It is suitable to operate with DC 12v or 24V Battery then boost output voltage for LED board, including 0-10V/PWM dimming function. It can be applied with a regular wall dimmer or wireless dimming controller. Each series can offer different output current, such as LDH-25 with 250/350/500/700 m A and LDH-65 with 700/1050/1400/1750 m A output current. Those output current spec is for most of solar lighting or interior lighting applications. 

MEAN WELL DC/DC Step Up LED Power Supply: LDH Family

Series                Watt                Vin                I out                    Dimming Style
LDH-25                25              9.5~32 V      250/350/500/700 m A          0-10V/PWM
LDH-45
LDH-45DA              45              A:9~18 V
                                        B:18~32 V    350/500/700/1050 m A        0-10V/PWM
DALI
LDH-65                65              9.5~32 V      700/1050/1400/1750 mA      0-10V/PWM


LDH series offers two different connecting styles, PIN output design and lead wire design. A CE certification based on EN61347/EAC TP TC 004 and EN55015 /EN61547/EAC TP TC 020 regulations, which are suitable for lighting luminaire is acquired. Besides, step down LED power supply, NLDD-H/LDD-L/H series, is also provided for 48V DC bus system.


* 주요제원
 - Wide DC input Voltage operation 9.5~32 V DC
 - Constant current output design
 - Wide output forward voltage design
 - High efficiency up to 96%
 - 2 in 1 dimming with 0~10/PWM
 - Protections: Over Voltage/ Short circuit
 - Fully escapsulated
 - 3 years warranty