GENERAL DESCRIPTION
The ADD8754 is optimized for use in TFT LCD applications, requiring only external charge pump components to provide all the requirements for panel power, VCOM, and gate modulation. Included in a single chip are a high frequency step-up dc-to-dc switching regulator, logic voltage regulator, VCOM amplifier, and gate pulse modulation circuitry.

FEATURES
    Step-up switching regulator with 2 A power switch
        650 kHz or 1.2 MHz switching frequency
        Output adjustable to 20 V
    350 mA logic voltage regulator
        Selectable output voltages: 2.5 V, 2.85 V, 3.3 V
    VCOM amplifier with 300 mA drive
    Gate pulse modulation circuitry
        Independently adjustable delay and falling slope
    General
        3 V to 5.5 V input
        Undervoltage lockout
        Thermal shutdown
        24-lead, Pb-free LFCSP package

APPLICATIONS
    TFT LCD panels for monitors, TVs, and notebooks