LM2754 Datasheet 800mA Switched Capacitor Flash LED Driver

Manufacturer: Texas Instruments

LM2754 800ma switched capacitor flash led driver by Texas Instruments - Datasheet Preview

Datasheet Details

Part number	LM2754
Manufacturer	Texas Instruments
File Size	2.28 MB
Description	800mA Switched Capacitor Flash LED Driver
Datasheet	LM2754 Datasheet

General 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.

Maximum efficiency is achieved over the input voltage range by actively selecting the proper gain based on the LED forward voltage and current requirements.

Overview

LM2754 www.ti.com SNVS463A – SEPTEMBER 2006 – REVISED MAY 2013 LM2754 800mA Switched Capacitor Flash LED Driver with Time-Out Protection Check for Samples:.

Key Features

1.
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.
Out.

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