Features and Benefits

  • Output Disconnects from Input During Shutdown
  • Operates Down to 0.7V Input Supply Voltage
  • Adjustable Output Voltage (2V to 5.5V, External Divider)
  • Up to 500mA Output Current
  • No External Schottky Diode Required
  • Synchronous Rectification for Improved Efficiency
  • Damping Circuit Reduces EMI
  • 1µA (typ) Shutdown Current
  • Low-Battery Detector (LBI/LBO)
  • 8-Pin µMAX® Package
  • Surface-Mount Construction
  • Fully Assembled and Tested

Product Details

The MAX1797 evaluation kit (EV kit) is a high-efficiency, step-up DC-DC converter for portable hand-held devices. Unlike typical boost circuits, the MAX1797 output is completely disconnected from the input in shutdown. The EV kit accepts a positive input voltage between 0.7V and VOUT and converts it to a 3.3V output for currents up to 500mA. The EV kit provides ultra-low quiescent current and high efficiency for maximum battery life.

The MAX1797 EV kit is a fully assembled and tested surface-mount printed circuit (PC) board. It can also be used to evaluate other output voltages in the 2V to 5.5V range. Additional pads on the board accommodate the external feedback resistors for setting different output voltages.


  • Cell Phones
  • Consumer Audio
  • Cordless Phones
  • Digital Cameras and Camcorders
  • End Equipment
  • Global Positioning Systems (GPS)
  • Handy Terminals
  • LCD Displays
  • Notebook Computers
  • Organizers
  • Pagers
  • Palmtop Computers
  • PDAs
  • Pen Entry Palmtops
  • Point-of-Sale Terminals
  • Portable Patient Monitoring/Drug Delivery
  • Portable Test Meters