Features and Benefits

  • Operates from a 7V to 60V Input Supply
  • Dual-Output Voltage: 3.3V and 5V
  • Up to 1A Output Current
  • Pin-Selectable Switching Frequency
  • Enable/UVLO Input, Resistor-Programmable UVLO Threshold
  • Mode-Selection Pin for Each Output to Select Between PWM and PFM Modes
  • Adjustable Soft-Start Time for Each Output
  • Open-Drain Active-Low RESET_ Signals for Each Output
  • External Frequency Synchronization
  • Overcurrent and Overtemperature Protection
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The MAX17521 evaluation kit (EV kit) provides a proven design to evaluate the MAX17521 dual high-efficiency, high-voltage, synchronous step-down DC-DC converter. The EV kit generates 3.3V and 5V output voltages at load currents up to 1A from a 7V to 60V input supply. The EV kit features a switching-frequency selector pin and individual mode-of-operation selector pins, enable/under-voltage-lockout (EN/UVLO) pins, programmable soft-start pins, and open-drain active-low RESET_ signals for each output.


  • CPU, DSP, or FPGA Power
  • Distributed Supply Regulation
  • General-Purpose Point of Load
  • Industrial Control Power Supplies

Applicable Parts