MAX8727

TFT-LCD Step-Up DC-DC Converter

High-Performance Step-Up DC-DC Converter Provides a Regulated Supply Voltage for Active-Matrix Thin-Film Transistor (TFT) Liquid-Crystal Displays (LCDs)

Data Sheet (Rev. 1)
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Part Details

  • 90% Efficiency
  • Adjustable Output from VIN to 24V
  • 2.6V to 5.5V Input Supply Range
  • Input Supply Undervoltage Lockout
  • Pin-Programmable 640kHz/1.2MHz Switching Frequency
  • Programmable Soft-Start
  • 0.1µA Shutdown Current
  • Small 10-Pin Thin DFN Package
    MAX8727
    TFT-LCD Step-Up DC-DC Converter
    MAX8727: Typical Operating Circuit
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    Documentation

    Data Sheet 1

    Reliability Data 1

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    Hardware Ecosystem

    Parts Product Life Cycle Description
    Internal Power Switch Boost Regulators 1
    MAX8715
    		PRODUCTION Low-Noise Step-Up DC-DC Converters
    Product 1
    MAX1790
    		NOT RECOMMENDED FOR NEW DESIGNS Low-Noise Step-Up DC-DC Converters
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    Evaluation Kits

    MAX8727EVKIT

    Evaluation Kit for the MAX8727

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    Features and Benefits

  • 90% Efficiency
  • 2.6V to 5.5V Input Range
  • 15V Output Voltage (Adjustable from VIN to 24V)
  • 600mA Output Current (4.5V Input)
  • 1.2MHz Switching Frequency (Selectable: 640kHz or 1.2MHz)
  • Programmable Soft-Start
  • 0.1µA IC Shutdown Current (typ)
  • Fully Assembled and Tested

    • Product Details

    The MAX8727 evaluation kit (EV kit) is a fully assembled and tested surface-mount circuit board that contains a pulse-width-modulated (PWM) step-up DC-DC converter. The EV kit is configured to operate with a 1.2MHz switching frequency. It operates from a 2.6V to 5.5V DC supply voltage, is configured for a 15V output, and can provide 600mA with a 4.5V input.

    The MAX8727 EV kit features low quiescent current and high conversion efficiency (90%). The high switching frequency allows for the use of small surface-mount components.

    Applications

    • LCD Monitor Panels
    • Notebook Computer Displays
    MAX8727EVKIT
    Evaluation Kit for the MAX8727

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