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ALT80800

Allegro
Part Number ALT80800
Manufacturer Allegro
Description Constant-Current 2.0A PWM Dimmable Synchronous Buck LED Driver
Published May 28, 2019
Detailed Description ALT80800 Automotive-Grade, Constant-Current 2.0 A PWM Dimmable Synchronous Buck LED Driver FEATURES AND BENEFITS • AEC-...
Datasheet PDF File ALT80800 PDF File

ALT80800
ALT80800

Overview
ALT80800 Automotive-Grade, Constant-Current 2.
0 A PWM Dimmable Synchronous Buck LED Driver FEATURES AND BENEFITS • AEC-Q100 qualified • Supply voltage 4.
5 to 55 V • 2.
0 A maximum output over operating temperature range • Integrated high-side and low-side MOSFETs: 200 mΩ  / 150 mΩTYP • True average output current control • Internal control loop compensation • Integrated 5 V, 14 mA LDO regulator for peripheral circuits • Dimming via PWM pin or EN pin down to 0.
1% at 200 Hz • Analog dimming (ADIM pin) for brightness calibration and thermal foldback • Low-power shutdown (1 µA typical) • Cycle-by-cycle current limit • Active low fault flag output • LED open fault mask setting for low VIN operati...


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