LM2754 Overview
Description
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.
Key Features
- 2 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
