Features and Benefits

  • High Input Voltage (up to 36V)
  • Selectable 3.3V or 5V Output Voltage (MAX1744)
  • 1.25V to 18V Adjustable Output Voltage (MAX1745)
  • Low Dropout Voltage
  • 100% Maximum Duty Cycle
  • 2A Output Current
  • Up to 330kHz Switching Frequency
  • 4µA IC Shutdown Current
  • 10-Pin µMAX® Package
  • Fully Assembled and Tested

Product Details

The MAX1744 evaluation kit (EV kit) provides a selectable 3.3V or 5V output voltage from input as high as 36V. The MAX1744 operates up to 100% duty cycle, extending the usable input voltage range. The 100% duty cycle and a low 100mV current-sense level permit very low dropout voltages. The circuit is configured to deliver up to 2A of output current with greater than 90% conversion efficiency. The output current can be increased by changing the external components.

This EV kit is a fully assembled and tested circuit board. It can also be used to evaluate the MAX1745, which has an adjustable output voltage, by selecting feedback resistors R2 and R3.


  • Automated Test Equipment (ATE)
  • Automatic Utility Meter Reading
  • Automotive Engine Control
  • Automotive Passenger Compartment
  • Automotive Sensors
  • Battery Chargers
  • Building Energy Management (HVAC)
  • Building Security/Remote Cameras
  • Cable Modems
  • Cell Phone Base Stations
  • Computers: Desktop, Workstation, Server
  • Global Positioning Systems (GPS)
  • High-Speed Access (Telecom)
  • Industrial Sensor Transmitters/Transducers
  • Local Multipoint Distribution Systems
  • Modems
  • Network Hubs, Switches, Routers
  • Notebook Computers
  • Telecom Switches
  • Wireless Local Loop (WLL)

Applicable Parts