General Description

The MAX8570 family of LCD step-up converters uses an internal n-channel switch and an internal p-channel output isolation switch. These converters operate from a 2.7V to 5.5V supply voltage and deliver up to 28V at the output.

Features

♦ 15V or Adjustable Output Voltage Up to 28V

♦ Safety Features Protect Against Output Faults

♦ 20mA at 20V from a Single Li+ Battery

♦ True Shutdown

♦ 87 Efficiency

♦ Up to 800kHz Switching Frequency

♦ Small, 6-Pin SOT23 and µDFN (MAX8570 Only) Packages

Applications

    LCD Bias Generators

    Polymer LEDs (OLED)

    Cellular or Cordless Phones

    Palmtop Computers

    Personal Digital Assistants (PDAs)

    Organizers

    Handy Terminals