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ADP8140 - 4-Channel High Current LED Driver

Description

The ADP8140 provides high current control of up to four LED drivers.

Each driver can sink up to 500 mA.

The sink current is programmed for all four drivers with one external resistor.

Features

  • Highly integrated feature set for a high brightness LED driver solution with minimal external components 4 current sink channels with an adjustable current from 125 μA to 500 mA Analog and pulse-width modulation (PWM) dimming inputs Analog and PWM LED current outputs 2% (maximum) matching between LED channels 5% (maximum) LED current accuracy Operates from VIN of 3 V to 30 V; higher voltages easily accomplished with an external Zener diode Operates with LED anode supply voltages up to 100 V dc F.

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Datasheet preview – ADP8140

Datasheet Details

Part number ADP8140
Manufacturer Analog Devices
File Size 538.25 KB
Description 4-Channel High Current LED Driver
Datasheet download datasheet ADP8140 Datasheet
Additional preview pages of the ADP8140 datasheet.

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Full PDF Text Transcription

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Data Sheet 4-Channel High Current LED Driver with Adaptable Power Control ADP8140 FEATURES Highly integrated feature set for a high brightness LED driver solution with minimal external components 4 current sink channels with an adjustable current from 125 μA to 500 mA Analog and pulse-width modulation (PWM) dimming inputs Analog and PWM LED current outputs 2% (maximum) matching between LED channels 5% (maximum) LED current accuracy Operates from VIN of 3 V to 30 V; higher voltages easily accomplished with an external Zener diode Operates with LED anode supply voltages up to 100 V dc Feedback output controls external power source for optimal efficiency and safety Multiple ADP8140 IC operation in parallel to control one power supply Integrated error amplifier for secondary side control of
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