LM3532 Datasheet (Texas Instruments) - High-Efficiency White LED Driver

LM3532, High-Efficiency White LED Driver

The LM3532 is a 500-kHz fixed frequency asynchronous boost converter which provides the power for 3 high-voltage, low-side current sinks.

The device is programmable over an I2C-compatible interface and has independent current control for all three channels.

The adaptive current regulation method all

LM3532 Features

* 1 Drives up to 3 Parallel High-Voltage LED Strings at 40 V Each With up to 90% Efficiency

* 0.4% Typical Current Matching Between Strings

* 256 Level Logarithmic and Linear Brightness Control With 14-Bit Equivalent Dimming

* I2C-Compatible Interface

* Direct