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MAX8798

Maxim Integrated Products
Part Number MAX8798
Manufacturer Maxim Integrated Products
Description Internal-Switch Boost Regulator
Published Oct 19, 2009
Detailed Description 19-0971; Rev 0; 9/07 Internal-Switch Boost Regulator with Integrated 3-Channel Scan Driver for TFT LCDs General Descrip...
Datasheet PDF File MAX8798 PDF File

MAX8798
MAX8798

Overview
19-0971; Rev 0; 9/07 Internal-Switch Boost Regulator with Integrated 3-Channel Scan Driver for TFT LCDs General Description The MAX8798 includes a high-performance, step-up regulator; a high-speed operational amplifier; a digitally adjustable VCOM calibration device with nonvolatile memory and an I2C interface; and a high-voltage, levelshifting scan driver.
The device is optimized for thin-film transistor (TFT) liquid-crystal display (LCD) applications.
The step-up DC-DC converter provides the regulated supply voltage for panel source driver ICs.
The high switching frequency allows the use of ultra-small inductors and ceramic capacitors.
The current-mode control architecture provides fast transient response to pulsed loads typical of source driver loads.
The step-up regulator features soft-start and current limit.
The high-current operational amplifier is designed to drive the LCD backplane (VCOM).
The amplifier features high output current (±150mA), fast slew rate (45V/µs), wide band...


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