AIC3643 - Built-in OVP White LED Step-Up Converter

Product Overview

Analog Integrations

Datasheet Details

Part number	AIC3643
Manufacturer	Analog Integrations
File Size	326.66 KB
Description	Built-in OVP White LED Step-Up Converter
Datasheet	AIC3643 Datasheet
Additional preview pages of the AIC3643 datasheet.

Product details

Description

AIC3643 is a current-mode pulse-widthmodulation (PWM), step-up DC/DC converter designed to drive white LEDs with a constant current to provide backlight in hand-held devices.

Features

Built-In Open Circuit Protection Over Voltage Protection Efficiency Up to 83% at VIN=4.2V, 3LEDs, ILED=20mA 1.2MHz Fixed Switching Frequency Drives Up to 5LEDs in series 2.5V to 5.5V Input Voltage Low Supply Current: 150μA Matches LED Current Requires Tiny Inductor and Capacitors TSOT-23-6, and SOT-23-6 Packages.

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Published: Apr 14, 2011 |