LM2754 Datasheet (National Semiconductor) - 800mA Switched Capacitor Flash LED Driver

LM2754, 800mA Switched Capacitor Flash LED Driver

The LM2754 is an integrated low noise, high current switched capacitor DC/DC converter with four regulated current sinks.

The device is optimized for driving 1 to 4 high power white LEDs in parallel with a maximum current of 800mA.

Maximum efficiency is achieved over the input voltage range by activ

LM2754 Features

* n n n n n n n n n n n n n n n Up to 800mA Output Current Wide Operating Input Voltage Range: 2.8V to 5.5V Drives 1, 2, 3 or 4 LEDs in Parallel Ability to Disable One Current Sink Via the SEL Pin to Accommodate 3-LED Flash Modules Time-Out Circuitry Limits Flash Duration to 1 Second TX Input Ensures