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MAX17117 - Internal-Switch Boost Regulator

General Description

The MAX17117 includes a high-performance step-up regulator, a 350mA low-dropout (LDO) linear regulator, a high-speed operational amplifier, and a high-voltage level-shifting scan driver with gate-shading control.

Key Features

  • an adjustable soft-start and an adjustable cycle-by-cycle current limit. The high-current operational amplifier is designed to drive the LCD backplane (VCOM). The amplifier features high output current (Q200mA typ), fast slew rate (40V/Fs typ), wide bandwidth (16MHz typ), and rail-to-rail inputs and outputs. The low-voltage LDO linear regulator has an integrated 0.8I pass element and can provide at least 350mA. The output voltage is accurate within Q1%. The high-voltage, level-shifting scan driv.

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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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19-5241; Rev 0; 4/10 www.DataSheet4U.com TION KIT EVALUA BLE IL AVA A Internal-Switch Boost Regulator with Integrated 7-Channel Scan Driver, Op Amp, and LDO General Description The MAX17117 includes a high-performance step-up regulator, a 350mA low-dropout (LDO) linear regulator, a high-speed operational amplifier, and a high-voltage level-shifting scan driver with gate-shading control. The device is optimized for thin-film transistor (TFT) liquidcrystal display (LCD) applications. The step-up DC-DC converter provides the regulated supply voltage for panel source-driver ICs. The high 1.2MHz switching frequency allows the use of ultra-small inductors and ceramic capacitors.