Part number:
AIC3643
Manufacturer:
Analog Integrations
File Size:
326.66 KB
Description:
Built-in ovp white led step-up converter.
AIC3643_AnalogIntegrations.pdf
Datasheet Details
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 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_AnalogIntegrations.pdf
Datasheet Details
AIC3643
Analog Integrations
326.66 KB
Built-in ovp white led step-up converter.
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