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LDD-300-1500LW

DC-DC Constant Current Step-Down LED driver

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ldd

Application:

LED Lighting
LED Moving Sign

Features

* DC/DC step-down converter
* Constant current output: 300mA to 700mA
* Wide input voltage : 9 ~ 36VDC
* Wide output LED string voltage : 2 ~ 32VDC
* High efficiency up to 95%
* Built-in EMI filter, comply with EN55015 and FCC part15 without additional input filter and capacitors
* Built-in PWM dimming and remote ON/OFF control
* Protections: Short circuit / Over temperature
* Cooling by free air convection
* Fully encapsulated with IP67 level for pin and wire style
* Compact size
* Low cost, high reliability
* Suitable for driving illumination LED

LDD-300-1500LW

MODELLDD-300LLDD-350LWLDD-500LW
OUTPUTCURRENT RANGE300mA350mA500mA
VOLTAGE RANGE2 ~ 32VDC for LDD-300~700L/LW ; 2~ 28VDC for LDD-300~700LS2 ~ 32VDC for LDD-300~700L/LW ; 2~ 28VDC for LDD-300~700LS2 ~ 32VDC for LDD-300~700L/LW ; 2~ 28VDC for LDD-300~700LS
CURRENT ACCURACY (Typ.)±5% at 24VDC input±5% at 24VDC input±5% at 24VDC input
RIPPLE & NOISE(max.) 150mVp-p150mVp-p150mVp-p
SWITCHING FREQENCY40KHz ~ 1000KHz40KHz ~ 1000KHz40KHz ~ 1000KHz
EXTERNAL CAPACITANCE LOAD (max.)2.2uF2.2uF2.2uF
INPUTVOLTAGE RANGE9 ~ 36VDC for LDD-300~700L/LW ; 9~ 32VDC for LDD-300~700LS9 ~ 36VDC for LDD-300~700L/LW ; 9~ 32VDC for LDD-300~700LS9 ~ 36VDC for LDD-300~700L/LW ; 9~ 32VDC for LDD-300~700LS
EFFICIENCY (max.)95% at full load and 24VDC/36VDC input for LDD-300~700L/LW ; 95% at full load and 24VDC input for LDD-300~700LS95% at full load and 24VDC/36VDC input for LDD-300~700L/LW ; 95% at full load and 24VDC input for LDD-300~700LS95% at full load and 24VDC/36VDC input for LDD-300~700L/LW ; 95% at full load and 24VDC input for LDD-300~700LS
DC CURRENT(Full load)300mA350mA500mA
DC CURRENT(No load)5mA5mA5mA
FILTERCapacitorCapacitorCapacitor
Specs Sheet
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LDD-300-1500LW

MODELLDD-600LWLDD-700LW
OUTPUTCURRENT RANGE600mA700mA
VOLTAGE RANGE2 ~ 32VDC for LDD-300~700L/LW ; 2~ 28VDC for LDD-300~700LS2 ~ 32VDC for LDD-300~700L/LW ; 2~ 28VDC for LDD-300~700LS
CURRENT ACCURACY (Typ.)±5% at 24VDC input±5% at 24VDC input
RIPPLE & NOISE(max.) 200mVp-p200mVp-p
SWITCHING FREQENCY40KHz ~ 1000KHz40KHz ~ 1000KHz
EXTERNAL CAPACITANCE LOAD (max.)2.2uF2.2uF
INPUTVOLTAGE RANGE9 ~ 36VDC for LDD-300~700L/LW ; 9~ 32VDC for LDD-300~700LS9 ~ 36VDC for LDD-300~700L/LW ; 9~ 32VDC for LDD-300~700LS
EFFICIENCY (max.)95% at full load and 24VDC/36VDC input for LDD-300~700L/LW ; 95% at full load and 24VDC input for LDD-300~700LS95% at full load and 24VDC/36VDC input for LDD-300~700L/LW ; 95% at full load and 24VDC input for LDD-300~700LS
DC CURRENT(Full load)600mA700mA
DC CURRENT(No load)5mA5mA
FILTERCapacitorCapacitor
Specs Sheet
untitled-3Download PDF
untitled-3Download PDF