A8442 Datasheet - AiT Semiconductor

A8442, 80mA 4-CHANNEL CHARGE PUMP WHITE LED DRIVER

AiT Semiconductor Inc.www.ait-ic.com A8442 80mA 4-CHANNEL CHARGE PUMP WHITE LED DRIVER WITH LOW DROPOUT CURRENT SOURCE .
FEATURES The A8442 is a high performance white LED driver.

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Datasheet Details

Part number:

A8442

Manufacturer:

AiT Semiconductor

File Size:

409.61 KB

Description:

80mA 4-CHANNEL CHARGE PUMP WHITE LED DRIVER

Features

* The A8442 is a high performance white LED driver. It integrates current sources and automatic mode selection charge pump. The part maintains the high efficiency by utilizing an x1/x1.5 fractional charge pump and low dropout current sources. The small equivalent x1 mode open loop resistance and ultr

Applications

* The A8442 supports up to 4 white LEDs and regulates a constant current for uniform intensity. The part implements a 4-bit DAC for brightness control. Users can easily configure the LED current from 1.25mA to 20mA by a serial pulse. The dimming of white LEDs current can be achieved by applying a pul

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