AT731 Datasheet White LED Step-Up Converter

Manufacturer: IAT

Overview: AT731 White LED Step-Up Converter.

AT731 white led step-up converter by IAT - Datasheet Preview

Datasheet Details

Part number	AT731
Manufacturer	IAT
File Size	0.98 MB
Description	White LED Step-Up Converter
Download	AT731 Download (PDF)

General Description

The AT731 is a step-up DC/DC converter specifically designed to drive white LEDs with a constant current.

The device can drive two, three or four LEDs in series from a Li-lon cell.

Series connection of the LEDs provides identical LED currents resulting in uniform brightness and eliminating the need for ballast resistors.

Key Features

Inherently Matched LED Current High Efficiency: 84% Typical Drives Up to Four LEDs from a 3.2V Supply Drives Up to Eight LEDs from a 5V Supply 36V Rugged Bipolar Switch Fast 1.2MHz Switching Frequency Uses Tiny 1mm Tall Inductors Requires Only 0.22µF Output Capacitor.

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