Терраэлектроника
Применения > > Evaluation Kit for the MAX17014 (MAX17014EVKIT)

Evaluation Kit for the MAX17014 (MAX17014EVKIT) (MAX17014EVKIT)

The MAX17014 evaluation kit (EV kit) is a fully assembled and tested surface-mount printed-circuit board (PCB) that provides the voltages and features required for thin-film transistor (TFT) liquid-crystal display (LCD) TV panels. The EV kit includes a step-down switching regulator, a step-up switching regulator, a positive two-stage charge pump for the TFT gate-on supply, a negative single-stage charge pump for the TFT gate-off supply, and two high-current operational amplifiers (op amps).

The EV kit operates from a DC supply voltage of +10.8V to +13.2V, as configured. The step-down switching regulator is configured for a +3.3V output providing at least 2A. The step-up switching regulator is configured for a +16V output providing at least 1.5A. The positive charge pump is configured for a +35V output providing at least 50mA. The negative charge pump is configured for a -6V output providing at least 100mA. High-frequency operation (1.2MHz) allows the use of tiny surface-mount components to minimize the thickness of LCD panel designs.

The EV kit features two high-performance operational amplifiers (op amps) designed to drive the LCD backplane (VCOM). Power to the VCOM amplifiers comes from the step-up switching regulator output.

Возможности

  • +10.8V to +13.2V Input Range
  • Output Voltages
    • +3.3V at 2A (Step-Down Switching Regulator)
    • +16V at 1.5A (Step-Up Switching Regulator)
    • +35V at 50mA (Positive Charge Pump)
    • -6V at 100mA (Negative Charge Pump)
  • Adjustable Output Voltages (External Resistors)
  • 1.2MHz Switching Frequency (600kHz Selectable)
  • Two High-Speed Op Amps
  • Low-Profile Surface-Mount Components
  • Fully Assembled and Tested

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