Part Number
|
ADD5211 |
Manufacturer
|
Analog Devices |
Description
|
White LED Driver |
Published
|
Mar 10, 2013 |
Detailed Description
|
Preliminary Technical Data
FEATURES
White LED driver based on an inductive boost controller Wide input voltage range: 4....
|
Datasheet
|
ADD5211
|
Overview
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 loc...
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