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AAT3104 - Low Cost 1x/2x 4 Channel Charge Pump WLED Driver

General Description

The AAT3104 is a charge-pump based, current-source white LED driver capable of driving one to four LEDs up to 30mA, each.

It automatically switches between 1x mode and 2x mode to maintain the highest efficiency and optimal LED current accuracy and matching.

Key Features

  • Drives up to 4 LEDs at up to 31mA each Automatic Switching Between 1x and 2x Modes 1MHz Switching Frequency Linear LED Output Current Control Single-wire, S2Cwire Interface AAT3104-1: 16-step AAT3104-2: 32-step ±10% LED Output Current Accuracy ±3% LED Output Current Matching Low-current Shutdown Mode Built-in Thermal Protection Automatic Soft-start Available in 2x2mm SC70JW-10 Package.

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Datasheet Details

Part number AAT3104
Manufacturer Advanced Analogic Technologies
File Size 1.97 MB
Description Low Cost 1x/2x 4 Channel Charge Pump WLED Driver
Datasheet download datasheet AAT3104 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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PRODUCT DATASHEET AAT3104178 ChargePumpTM General Description The AAT3104 is a charge-pump based, current-source white LED driver capable of driving one to four LEDs up to 30mA, each. It automatically switches between 1x mode and 2x mode to maintain the highest efficiency and optimal LED current accuracy and matching. The AAT3104 charge pump’s 1x mode (bypass mode) has very low resistance allowing LED current regulation to be maintained with input supply voltage approaching www.DataSheet4U.com the LED forward voltage. LED brightness is controlled using AnalogicTech’s patented S2Cwire™ single wire interface. The AAT3104 is available in a 2x2mm 10-lead SC70JW-10 package.