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Mean Well LDH DC/DC LED Driver CC 1750mA - Step-up - with Wire

Name: Mean Well LDH DC/DC LED Driver CC 1750mA - Step-up - with Wire
Brand: Mean Well
SKU: LDH-65-1750W
Price: 16.61 USD
Availability: InStock

constant currentstep uphigh efficiency up to 95%wire style

SKU LDH-65-1750W

$16.61 USD

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Overview

LDH-65-1750W is the model of this series: rated current 1750mA, rated power 64.75W, typical efficiency 92.5%/12V 96%/24V.

LDH-65 series is a 65W DC/DC LED driver featuring constant current output. LDH-65 operates from 9.5～32VDC and offers models with different rated current ranging between 700mA and 1750mA. With the high efficiency up to 96%, 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-65 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

Wide DC input voltage operation 9.5~32V
DC/DC step-up converter
Constant current output : 700mA to 1750mA
Wide output LED forward voltage up to 80V DC
High efficiency up to 96%
2 in 1 dimming (0-10V,PWM)
Protections: Short circuit / Over voltage
Cooling by free air convection
Fully encapsulated
3 years warranty

Specifications

LDH-65-1750WSpecifications from the official datasheet (2024-10-16 edition)

OUTPUT

RATED CURRENT: 1750mA
CURRENT ACCURACY(Typ.): ±5% at 12VDC input and 24VDC input
VOLTAGE RANGE^Note.2: 12.5~37VDC
RATED POWER: 64.75W
CURRENT RIPPLE: 5%(@rated current)

INPUT

VOLTAGE RANGE^Note.2: 9.5~32VDC
EFFICIENCY (Typ.): 92.5%/12V 96%/24V
DC CURRENT (Typ.): 6.2A/12VDC, 3.1A/24VDC

DIMMING

DIMMING FUNCTION^Note.2: Leave open if not used 1KHz-3KHz 10V PWM signal or 0-10V DC input
QUIESCENT INPUT CURRENT IN SHUTDOWN MODE(Typ.): 10mA when PWM dimming OFF @12VDC

PROTECTION

SHORT CIRCUIT: Output short circuit, the power supply will be damaged
OVER VOLTAGE: 38~60V
NO LOAD: Output voltage rise to OVP, and drop equal to input voltage, re-power to recovery

ENVIRONMENT

WORKING TEMP.: -40 ~ +60℃ (Refer to "Derating Curve")
WORKING HUMIDITY: 20 ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY: -40 ~ +85℃, 10 ~ 95% RH
TEMP. COEFFICIENT: ±0.03%/℃ (0 ~ 50℃)
VIBRATION: 10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes
SOLDERING TEMPERATURE: Wave soldering: 265℃,5s (max.); Manual soldering: 390℃,3s (max.)

SAFETY & EMC

SAFETY STANDARDS: LVD BS EN/EN61347-1, BS EN/EN61347-2-13, EAC TP TC 004 approved
EMC EMISSION^Note.5: Compliance to BS EN/EN55015;EAC TP TC 020
EMC IMMUNITY: Compliance to BS EN/EN61547,BS EN/EN61000-4-2,3,4,6,8; light industry level, EAC TP TC 020

OTHERS

MTBF: 9118.4K hrs min. Telcordia TR/SR-332(Bellcore); 874.9 Khrs min. MIL-HDBK-217F (25℃)
DIMENSION: 75*53*22.7mm (L*W*H)
PACKING: Pin mounted style: 152g; 100pcs/15.2kg/0.86CUFT Lead wire style: 159g; 100pcs/15.9kg/1.07CUFT

Test conditions and notes5

1.All parameters are specified at normal input(12VDC), rated load, 25℃ 70% RH ambient.
2.Non dimming application: Output voltage must step up by 3 volts from input DC voltage Dimming application: Output voltage must be twice higher than the input DC voltage If input voltage down below 11, the output current may drop to more than 80% of the rated current
3.This series meets the typical life expectancy of >35,000 hours of operation when Tcase, particularly tc point (or TMP, per DLC), is about 80℃ or less.
4.The ambient temperature derating of 3.5℃/1000m with fanless models and of 5℃/1000m with fan models for operating altitude higher than 2000m(6500ft).
5.BS EN/EN55015 EMI testing layout is based on DC input with a battery source.

Technical drawings

LDH-65-1750W Mechanical Specification — Mechanical Specification

LDH-65-1750W Standard Application — Standard Application

LDH-65-1750W Efficiency VS Load — Efficiency VS Load

LDH-65-1750W Application Notes of EMC — Application Notes of EMC

Typical applications

DC battery source lighting
Portable lighting
LED solar street lighting
LED greenhouse lighting
LED Low-bay lighting

Downloads

Certificates2

CE Certificate(LDH-65)(EN) PDF Download

EMC Certificate(LDH-65)(EN) PDF Download

FAQ

Can I use the LDH-65-1750W for a constant current LED downlight?

Yes, if the downlight requires 1750mA constant current and the LED load operates within the 12.5-37V CC output range. This 64.75W step-up driver is intended for constant current LED loads, not constant voltage fixtures.

Will the LDH-65-1750W work for LED sign lighting modules?

It can work for sign lighting only when the module is built for 1750mA constant current operation and the total LED forward voltage stays within 12.5-37V. It should not be used as a substitute for a constant voltage power supply for standard sign modules.

Is this a good driver for a compact high-output LED array?

Yes, it is designed for constant current LED arrays that need 1750mA and fall within a 12.5-37V CC range. With 64.75W available, it is better suited to higher-power arrays than lower-current LDH models.

What LEDs can I pair with the LDH-65-1750W?

The LED load must be specified for constant current operation at 1750mA, and the combined LED forward voltage must remain within the 12.5-37V CC output range. The number of LEDs depends on each LED's forward voltage, so it cannot be defined by a single fixed count.

How does the LDH-65-1750W compare with the rest of the LDH-65 range?

Within the LDH-65 range, the sibling specs are: LDH-65-700 and LDH-65-700W at 700mA with a 12.5-80V CC range and 56W, LDH-65-1050 and LDH-65-1050W at 1050mA with a 12.5-60V CC range and 63W, LDH-65-1400 and LDH-65-1400W at 1400mA with a 12.5-46V CC range and 64.4W, and LDH-65-1750 at 1750mA with a 12.5-37V CC range and 64.75W. The LDH-65-1750W matches the LDH-65-1750 electrically, with the listed product difference being wire style versus pin style.

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