Synchronous Buck-Boost High Power White LED Driver
Description
U U
LTC3453
Synchronous Buck-Boost High Power White LED Driver
FEATURES
■ High Efficiency: 90% Typical Over Entire Li-Ion Battery Range
■ Wide VIN Range: 2.7V to 5.5V ■ Up to 500mA Continuous Output Current ■ Internal Soft-Start ■ Open/Shorted LED Protection ■ LED Current Matching Typically <2% ■ Constant Frequency 1MHz Operation ■ Low Shutdown Current: 6µ...