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AAT3169 Datasheet High Efficiency 1X/1.5X/2X Charge Pump

Manufacturer: Skyworks Solutions

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General Description

The AAT3169 is a low noise, constant frequency charge pump DC/DC converter that uses a tri-mode load switch (1X), fractional (1.5X), and doubling (2X) conversion to maximize efficiency for white LED applications.

The AAT3169 is capable of driving six LEDs for a total of 180mA from a 2.7V to 5.5V input.

The current sinks may be operated individually or in parallel for driving higher current LEDs.

Overview

DATA SHEET AAT3169 AAT3169 High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications.

Key Features

  • VIN Range: 2.7V to 5.5V.
  • Fully Programmable Current with Single Wire.
  • 16-Step Logarithmic Scale.
  • 15/20/30mA Max Current.
  • Four Low-Current Settings Down to 115µA.
  • Low IQ (65µA) for Single-Channel, Low-Current Mode.
  • Tri-Mode 1X, 1.5X, and 2X Charge Pump for Maximum Efficiency and VF Coverage.
  • Drives Up to Six LEDs.
  • Individual Main-Sub (5-1) Group Control.
  • No Inductors, Low Noise Operation.
  • 1MHz Constant Switching F.

📁 Similar Datasheet

Brand Logo Part Number Description Manufacturer
AAT Logo AAT3169 High Efficiency 1X/1.5X/2X Charge Pump AAT

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