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