A8518 Datasheet - Allegro

A8518 - Fault-Tolerant LED Driver

The A8518 is a multi-output LED driver for small-size LCD backlighting.

It integrates a current-mode boost converter with internal power switch and two current sinks.

The boost converter can drive up to 22 white LEDs, 11 LEDs per string, at 200 mA.

The LED sinks can be paralleled together to achieve

A8518 Features

* Automotive AEC-100 qualified

* Fully integrated 42 V MOSFET for boost converter

* Fully integrated LED current sinks

* Withstands surge input to 40 VIN for load dump

* Operates down to 3.9 VIN (max) for idle stop

* Drives two strings of LEDs

Datasheet Details

A8518

Allegro

1.68 MB

Fault-tolerant led driver.

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