Datasheet Summary
A8519 and A8519-1
Wide Input Voltage Range, High-Efficiency, Fault-Tolerant LED Driver
Features
AND BENEFITS
- 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
- Programmable boost switching frequency (200 kHz to
2.15 MHz)
- Synchronized boost switching frequency option (320 kHz to 2.3 MHz)
- Dithering of boost switching frequency to reduce EMI
- Extremely high LED contrast ratio
- 10,000:1...