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AAT3193 - Three-Channel Charge Pump LED Driver

General Description

The AAT3193 is a charge-pump based, current-sink white LED driver capable of driving one to three 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 3 LEDs at up to 30mA, each.
  • Automatic Switching Between 1x and 2x Modes.
  • 0.9MHz Switching Frequency.
  • Linear LED Output Current Control.
  • Single-wire, S2Cwire Interface.
  • AAT3193-1: 16-step.
  • AAT3193-2: 8-step.
  • AAT3193-3: 4-step.
  • ON/OFF or PWM Interface.
  • AAT3193-4.
  • ±10% LED Output Current Accuracy.
  • ±3% LED Output Current Matching.
  • Low-Cur.

📥 Download Datasheet

Datasheet Details

Part number AAT3193
Manufacturer Skyworks
File Size 1.09 MB
Description Three-Channel Charge Pump LED Driver
Datasheet download datasheet AAT3193 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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General Description The AAT3193 is a charge-pump based, current-sink white LED driver capable of driving one to three 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 AAT3193 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. The AAT3193 is available in a 2×2.2mm, 10-lead SC70JW-10 package. DATA SHEET AAT3193 Three-Channel Charge Pump LED Driver Features • Drives up to 3 LEDs at up to 30mA, each • Automatic Switching Between 1x and 2x Modes • 0.