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Mean Well LDH DC/DC LED Driver CC 250mA - Step-up - with Wire

constant current, step up, high efficiency up to 95%, wire style

SKU:

LDH-25-250W

$8.50 USD

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Description

Features

Wide DC input voltage operation 9.5~32V

DC/DC step-up converter

Constant current output: 250ma to 700mA

Wide output LED forward voltage up to 84V DC

High efficiency up to 95.5%

2-in-1 dimming(0-10V, PWM)

Protections: Short circuit/ Over voltage

Cooling by free air convection

Fully encapsulated

3 years warranty

General Specification

Current accuracy	±5%
Over-voltage protection	up to 140% output voltage
Efficiency	95.5%
Short circuit protection	Output short circuit, the power supply will be damaged
Working temperature	-40°C to +70°C
EMC	Compliance to EN55015, EN61000-4-2,3,4,6,8, EAC TP TC 020
Temp. Coefficient	±0.03% / °C
Dimension (LxWxH) (mm)	52.4x27.2x24
Packing	200pcs/11Kg

Specifications

Brand

Mean Well
Series

LDH Series
Power Rating

21 Watt
Output Voltage

84 Volt
Rated Current

0.25 Ampere
Input Voltage

9.5V~32V
No of Output

1
Dimming Control

0-10V,PWM
Standards Met

CE
Operation Mode

Constant Current
Operating Temperature

-40°C~70°C
Warranty

3 Year
Length

2.06 in
Width

1.07 in
Height

0.94 in
Weight

0.13 lb

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Frequently Asked Questions

Can I use the LDH-25-250W for a constant current LED downlight?

Yes, this model provides 250 mA constant current output for LED loads operating within its 12-84V constant current range. It should be matched to constant current downlights, not constant voltage LED products.

Is the LDH-25-250W appropriate for small LED arrays or signage modules?

Yes, it can be used for small LED arrays or signage modules that are specified for 250 mA constant current drive. The load has to stay within the 12-84V constant current range, and the LED quantity depends on the forward voltage of each LED.

Can this driver help when the LED load needs more voltage than the source provides?

Yes, the LDH-25-250W is a step-up constant current driver with a 9-32VAC input and up to 84V output. That makes it relevant where the LED load voltage is above the available input range but still within the driver's constant current window.

What should I check for compatibility with the LDH-25-250W?

Check that the LED load is built for 250 mA constant current operation and that its operating voltage falls within the 12-84V constant current range. The final number of LEDs depends on the forward voltage of each LED, so there is no fixed LED count from the driver spec alone.

What environmental limits apply to the LDH-25-250W?

This model is specified for operation from -40°C to +70°C. No IP rating is listed in the provided specs, so environmental protection should be evaluated at the enclosure or system level.