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AAT3104

Skyworks
Part Number AAT3104
Manufacturer Skyworks
Description Low Cost 1x/2x Four-Channel Charge Pump WLED Driver
Published Jun 28, 2019
Detailed Description DATA SHEET AAT3104 Low Cost 1x/2x Four-Channel Charge Pump WLED Driver General Description The AAT3104 is a charge-pump...
Datasheet PDF File AAT3104 PDF File

AAT3104
AAT3104

Overview
DATA SHEET AAT3104 Low Cost 1x/2x Four-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.
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 the LED forward voltage.
LED brightness is controlled using Skyworks' patented S2Cwire™ single wire interface.
The AAT3104 is available in a 2x2mm 10-lead SC70JW-10 package.
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...


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