Evaluation Kit for the MAX1927, MAX1928 (MAX1928EVKIT) (MAX1928EVKIT)

The MAX1927/MAX1928 evaluation kit (EV kit) is a fully assembled and tested surface-mount circuit board demonstrating the MAX1927/MAX1928 pulse-width modulated (PWM) step-down converters. The EV kit comes assembled with a MAX1928EUB18, which steps down a 2.6V to 5.5V input to a 1.8V output capable of sourcing 800mA. This EV kit can also be used to evaluate the MAX1927 with minor PC board modifications.

The MAX1927/MAX1928 optimize efficiency and battery life by skipping pulses at low loads. They feature a forced-PWM mode for low output noise and contain internal MOSFETs for minimum cost and size. A 1MHz switching frequency allows the use of small external components.


  • 2.6V to 5.5V Input Voltage Range
  • 1.8V Output Voltage (MAX1928EUB18)
  • Up to 800mA Output Current
  • 1MHz PWM Operation
  • 100% Duty-Cycle Operation for Low Dropout
  • No Current-Sense Resistor Needed
  • Power-OK Output
  • 93% Efficiency
  • Internal MOSFET Switch and Synchronous Rectifier
  • Soft-Start
  • Surface-Mount Components
  • Fully Assembled and Tested


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