A8519 Overview
The A8519 is a multi-output LED driver for small-size LCD backlighting. It integrates a current-mode boost converter with internal power switch and four current sinks. The boost converter can drive up to 44 white LEDs, 11 LED per string, at 100 mA.
A8519 Key Features
- Automotive AEC-Q100 qualified
- Fully integrated 42 V MOSFET for boost converter
- Fully integrated LED current sinks
- Withstands surge input up to 40 VIN for load dump
- Operates down to 3.9 VIN (max) for idle stop
- Drives four strings of LEDs
- Maximum output voltage 40 V
- Up to 11 white LEDs in series
- Drive current for each string is 100 mA
- Synchronized boost switching frequency option (320 kHz