ADD5211
ADD5211 is White LED Driver manufactured by Analog Devices.
Preliminary Technical Data
Features
White LED driver based on an inductive boost controller Wide input voltage range: 4.5 V to 40 V Adaptive output voltage to minimize power dissipation Adjustable operating frequency: 200 kHz to 1.2 MHz Programmable UVLO Programmable soft start time for boost converter Programmable external MOSFET switching rising/falling time Drives up to 4 LED current sinks with internal MOSFETs Brightness control with PWM input Adjustable LED current: 40 mA up to 200 mA Headroom control to maximize efficiency LED dimming frequency: up to 25 kHz 1000:1 PWM dimming at 300 Hz Open drain fault indicator LED open and LED short fault protection Thermal shutdown Undervoltage...