LM27952 Datasheet (Texas Instruments)

LM27952, white-LED Driver

The LM27952 is a switched capacitor white-LED driver capable of driving up to 4 LEDs with 30mA through each LED.

Its 4 tightly regulated current sinks ensure excellent LED current and brightness matching.

LED drive current is programmed by an external sense resistor.

The LM27952 operates over an inp

LM27952 Features

* 1

* 2 Drives up to 4 LEDs with up to 30mA each

* Regulated current sources with 0.2%(typ.) matching

* 3/2x, 1x Gain transition based on LED VF

* Peak Efficiency Over 85%

* Input Voltage Range: 3.0V to 5.5V

* PWM Brightness Control

* Very Small S