A8519-1 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.
A8519-1 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