Data Sheets Rev. 0a
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Overview

Features and Benefits

  • Step-Up/Down Voltage Conversion
  • 1.8V to 11V Input Range
  • 3.3V or 5V Selectable Output Voltage
  • Adjustable Output Voltage (1.25V to 5.5V)
  • Load Disconnects from Input in Shutdown
  • Up to 300mA Output Current
  • No External FETs Required
  • 0.1µA Typical IC Shutdown Current
  • Low-Battery Comparator
  • 16-Pin QSOP Package (same footprint as 8-pin SO)
  • Surface-Mount Components
  • Fully Assembled and Tested

Product Details

The MAX1672 evaluation kit (EV kit) integrates a step-up switching converter with a linear-regulator output to provide step-up/down voltage conversion. It accepts a 1.8V to 11V input and converts it to a 3.3V or 5V output for currents up to 300mA. The EV kit is optimized for battery applications where the input varies above and below the regulated output voltage. It provides ultra-low quiescent current and high efficiency for maximum battery life. Another benefit of the low-dropout linear post-regulator is that it reduces high-frequency ripple.

The MAX1672 EV kit is a fully assembled and tested surface-mount circuit board. With minimal modification, it can also be used to evaluate other output voltages. Additional pads on the board accommodate external feedback resistors for setting different output voltages.

Applications

  • 2-Cell to 4-Cell AA Alkaline Handheld Equipment
  • 3.3V and Other Low-Voltage Systems
  • Battery-Powered Devices with AC Input Adapters
  • Digital Still Cameras
  • Single-Cell, Lithium-Powered Portable Devices

Applicable Parts

Documentation & Resources

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