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AAT3119 - High Efficiency 2X Charge Pump

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.

Key Features

  • ChargePump™ 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 AAT
File Size 493.92 KB
Description High Efficiency 2X Charge Pump
Datasheet download datasheet AAT3119 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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High Efficiency 2X Charge Pump 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.