AAT2822/23/24/25
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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) • Ad...