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 t...