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AAT3119 - High Efficiency 2X Charge Pump

Description

The AAT3119 is a general purpose high efficiency voltage regulated charge pump IC that can produce output current levels up to 150mA.

As a voltage regulated output device, it may be used for general voltage boost applications or to power white, RGB, or flash type LEDs from a 2.7V to 5.5V input.

Features

  • VIN Range: 2.7V to 5.5V.
  • 150mA of Output Current.
  • Peak Current up to 250mA.
  • Regulated Output Voltage.
  • 1.2MHz Switching Frequency.
  • Low Noise Constant Frequency Operation.

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Datasheet Details

Part number AAT3119
Manufacturer Skyworks
File Size 1.67 MB
Description High Efficiency 2X Charge Pump
Datasheet download datasheet AAT3119 Datasheet

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Full PDF Text Transcription

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General Description The AAT3119 is a general purpose high efficiency voltage regulated charge pump IC that can produce output current levels up to 150mA. As a voltage regulated output device, it may be used for general voltage boost applications or to power white, RGB, or flash type LEDs from a 2.7V to 5.5V input. The voltage doubling charge pump architecture of the AAT3119 provides for a low external part count; just three small ceramic capacitors are needed. This makes the AAT3119 ideally suited for small battery-powered applications. This device operates from a fixed high frequency 1.2MHz oscillator which enables the use of very small external capacitors, one 1µF flying capacitor, and two 1µF bypass capacitors at IN and OUT.
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