A8440 Datasheet - AiT Semiconductor

A8440, 4-CHANNEL WHITE LED DRIVER

AiT Semiconductor Inc.www.ait-ic.com A8440 4CHANNEL WHITE LED DRIVER 1x /1.5x CHARGE PUMP DISPLAY BACKLIGHT SOLUTION .
FEATURES The A8440 is a complete backlight display solution that is designed to independently control LEDs.

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Datasheet Details

Part number:

A8440

Manufacturer:

AiT Semiconductor

File Size:

658.62 KB

Description:

4-CHANNEL WHITE LED DRIVER

Features

* The A8440 is a complete backlight display solution that is designed to independently control LEDs. The A8440 is a charge pump WLED driver capable of driving up to 4 LEDs with 30mA each LED. Its four tightly regulated current sources ensure excellent LED current and brightness matching. LED driver c

Applications

* powered by Li-Ion battery, requiring only for low cost ceramic capacitors. The A8440 provides excellent efficiency by operating the charge pump in a gain of 1 or 1.5. Maximum efficiency is achieved over Li-Ion battery voltage range by selecting the proper gain based on the LED forward voltage requir

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