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MCP1640 - 0.35V High Efficiency Boost Regulator [Chip Ideas]
posted September 19 2014 5:50.06 by Giorgos Lazaridis

I have tested this chip myself and I was quite surprised by the fact that it can operate at such low voltage! The Microchip MCP1640 is a 0.65V Start-up 0.35V Operating Synchronous Boost Regulator with True Output Disconnect or Input/Output Bypass Option. It has an adjustable output voltage of 2 to 5.5V and up to 350mA of current. The chip has a very small footprint and requires minimum external components. Its very well suited for portable products operated on one or two AA/AAA batteries or coin cells.

  • You can check out my High Efficiency Battery Boost Regulator using the MCP1640

  • Microchip AN1311 - Single Cell Input Boost Converter Design

  • Microchip AN1337 - Optimizing Battery Life in DC Boost Converters Using MCP1640

  • MCP1640 Datasheet

  • [Link: Microchip]

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