A8515 Description
TheA8515 is a multi-output white LED (WLED) driver for LCD backlighting in consumer and industrial displays. It integrates a current-mode boost converter with an internal power DMOS switch and two current sinks. The boost converter can drive up to 24 LEDs:.
A8515 Key Features
- Wide input voltage range: 5 to 40 V
- Maximum LED current of 120 mA
- TSSOP-16 (LP) package; exposed pad offers best-in-class
- Internal bias supply for single-supply operation (typically
- Drives up to 12 series LEDs in 2 parallel strings
- Single EN/PWM pin interface for both PWM dimming
- Sync function to synchronize boost converter switching
- Provides driver for external PMOS input disconnect switch
- Protection features: ▫ Open or shorted VLED pin protection ▫ Open Schottky protection ▫ Cycle-by-cycle current limit ▫ O