Datasheet > LDU56

LDU56

更新时间： 2024-10-30 00:58:27

品牌	Logo	应用领域
XPPOWER		/
页数	文件大小	规格书
2页	85K
描述
Constant Current Output

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数据手册

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LDU56 数据手册

LED Driver

xppower.com

LDU56 Series

•

Constant Current Output

LED Drive Current up to 1000 mA

LED Strings from 2 V to 56 V

PWM Dimming Control

High Efficiency ꢀ up to 97%

Open or Short Circuit LED Protection

3 Year Warranty

Specification

Input

General

Input Voltage

Input Filter

Input Surge

• 9-60 VDC

• Capacitor

• 65 VDC for 500 ms

Efficiency

• See tables

• 40-1000 kHz variable

• >2.0 MHrs to MIL-HDBK-217F at 25 /C,

Switching Frequency

MTBF

Output

Output Voltage

• 2-56 V (Vin must be at least 4 V greater

than Vout)

• See tables

Environmental

Operating Temperature • -40 /C to +85 /C for ꢀ00%ꢀ50 mA versions,

Output Current

Accuracy

-40 /C to +70 /C for others

Storage Temperature • -40 /C to +125 /C

Humidity

• Up to 953, non-condensing

• 16.7 /C%W model dependant

Ripple & Noise

• See tables,

measured with 20 MHz bandwidth

Thermal Impedance

Short Circuit Protection • Current is limited to the rated output

Capacitive Load

Temperature

Coefficient

• 2.2 µF max

EMC

•

0.0ꢀ3%/C max

Emissions

• EN55015 class B conducted & radiated

with external components - see

application notes

• EN61000-4-2, level 2 Perf Criteria A

• EN61000-4-ꢀ, level 2 Perf Criteria A

• EN61000-4-4, level 2 Perf Criteria A

• EN61000-4-6, level 2 Perf Criteria A

• EN61000-4-8, level 2 Perf Criteria A

Remote On/Off

• On = 2.5-5.0 V or open circuit

Off = ≤0.8 V (applied to control pin)

Quiescent input current is ꢀ mA max,

ESD Immunity

Radiated Immunity

EFT/Burst

Remote On/Off Signal • 1 mA max

Current

Conducted Immunity

Magnetic Field

Dimming

PWM

Output Current Range • 13 to 1003

Operating Frequency

On Time

• 1 kHz max

• 50 µs min

Off Time

• 50 µs min

Amplitude

• 2.5 V, 5 V max

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