LM2754 - 800mA Switched Capacitor Flash LED Driver

National Semiconductor

Datasheet Details

Part number	LM2754
Manufacturer	National Semiconductor
File Size	1.05 MB
Description	800mA Switched Capacitor Flash LED Driver
Datasheet	LM2754_NationalSemiconductor.pdf

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

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 Synchronization with RF Power Amplifier Pulse Adaptive 1x, 1.5x and 2x Gains for Maximum Efficiency 1MHz Constant Frequency Operation Output Current Limit True Shutdown Output Disconnect < 1µA Shutdow.

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Published: Nov 13, 2006 |