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AAT2822 - (AAT2822 - AAT2825) TFT-LCD DC-DC Converter

General Description

The AAT2822-AAT2825 family of integrated panel power solutions provides the regulated voltages required by an active-matrix thin-film transistor (TFT) liquid-crystal display (LCD).

Key Features

  • LCD Bias Power.
  • 2.5V to 5.5V Input Supply Range.
  • 1.3MHz Fixed Frequency Current-Mode Step-Up Regulator.
  • Fast Transient Response.
  • Adjustable Voltage up to 14.5V.
  • ±1% Typical Accuracy.
  • High Efficiency (93%) @ 50mA Output Current.
  • Small External Inductor and Capacitors.
  • Integrated Soft Start and Sequencing of All Rails.
  • Short-Circuit, Over-Voltage, and Over-Temperature Protection Positive Output, VGH.
  • Up to 13.2V.

📥 Download Datasheet

Datasheet Details

Part number AAT2822
Manufacturer Advanced Analogic Technologies
File Size 3.49 MB
Description (AAT2822 - AAT2825) TFT-LCD DC-DC Converter
Datasheet download datasheet AAT2822 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.

View original datasheet text
AAT2822/23/24/25 www.DataSheet4U.com PRODUCT DATASHEET SystemPowerTM TFT-LCD DC-DC Converter with WLED Driver and VCOM Buffer Features LCD Bias Power • 2.5V to 5.5V Input Supply Range • 1.3MHz Fixed Frequency Current-Mode Step-Up Regulator • Fast Transient Response • Adjustable Voltage up to 14.5V ▪ ±1% Typical Accuracy • High Efficiency (93%) @ 50mA Output Current • Small External Inductor and Capacitors • Integrated Soft Start and Sequencing of All Rails • Short-Circuit, Over-Voltage, and Over-Temperature Protection Positive Output, VGH • Up to 13.2V Input Supply (VDD) • Adjustable Voltage up to 30V @ 20mA ▪ ±3% Typical Accuracy Negative Output, VGL • Up to 13.2V Input Supply (VDD) • Adjustable Voltage down to -30V @ 20mA ▪ ± 3% Typical Accuracy WLED Driver • Input Voltage Range: 2.