AIC3643 Datasheet - Analog Integrations

Built-in OVP White LED Step-Up Converter

AIC3643 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-

AIC3643 General 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. Series connection of LEDs provides identical LED currents resulting in uniform brightness. This configuration eliminates the .

AIC3643 Datasheet (326.66 KB)

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Datasheet Details

Part number:

AIC3643

Manufacturer:

Analog Integrations

File Size:

326.66 KB

Description:

Built-in ovp white led step-up converter.

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

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AIC3643 Features

AIC3643 General Description

Datasheet Details

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