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AAT2823 - (AAT2822 - AAT2825) TFT-LCD DC-DC Converter

This page provides the datasheet information for the AAT2823, a member of the AAT2822 (AAT2822 - AAT2825) TFT-LCD DC-DC Converter family.

Datasheet Summary

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).

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.

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Datasheet preview – AAT2823

Datasheet Details

Part number AAT2823
Manufacturer Advanced Analogic Technologies
File Size 3.49 MB
Description (AAT2822 - AAT2825) TFT-LCD DC-DC Converter
Datasheet download datasheet AAT2823 Datasheet
Additional preview pages of the AAT2823 datasheet.

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Full PDF Text Transcription

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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.
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