ALT80802
Wide Input
Voltage, Adjustable Frequency, Buck-Boost or Buck 2 Amp LED Driver
FEATURES AND BENEFITS
• Automotive AEC-Q100 qualified • Supports buck-boost or buck mode operation • Supply
voltage from 3.
8 to 50 V in buck mode
▫ Handles automotive load dump and cold crank ▫ Also supports buck mode from a pre-boost supply • Supports up to 16 V output in buck-boost mode for 4 WLEDs • 150 mΩ integrated
MOSFET switch • Programmable switching frequency up to 2.
5 MHz for small solution size and operation above AM band • Designed for low EMC with frequency dithering • Integrated level shifting allows ground-referenced enable and fault flag in buck-boost mode • PWM dimming via direct logic i...