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MAX17117 - Maxim Integrated Products

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MAX17117 Internal-Switch Boost Regulator

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.

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 driver with gateshading control is designed to drive the TFT panel gate drivers. Its seven outputs swing.

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