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MCP1640B - 0.65V Start-up Synchronous Boost Regulator

Download the MCP1640B datasheet PDF. This datasheet also covers the MCP1640 variant, as both devices belong to the same 0.65v start-up synchronous boost regulator family and are provided as variant models within a single manufacturer datasheet.

General Description

The MCP1640/B/C/D is a compact, high-efficiency, fixed frequency, synchronous step-up DC-DC converter.

It provides an easy-to-use power supply solution for applications powered by either single-cell, two-cell, or three-cell alkaline, NiCd, NiMH, and single-cell Li-Ion or Li-Polymer batteries.

Key Features

  • Up to 96% Typical Efficiency.
  • 800 mA Typical Peak Input Current Limit: - IOUT > 100 mA @ 1.2V VIN, 3.3V VOUT - IOUT > 350 mA @ 2.4V VIN, 3.3V VOUT - IOUT > 350 mA @ 3.3V VIN, 5.0V VOUT.
  • Low Start-Up Voltage: 0.65V, typical 3.3V VOUT @ 1 mA.
  • Low Operating Input Voltage: 0.35V, typical 3.3VOUT @ 1 mA.
  • Adjustable Output Voltage Range: 2.0V to 5.5V.
  • Maximum Input Voltage  VOUT < 5.5V.
  • Automatic PFM/PWM Operation (MCP1640/C): - PFM Oper.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (MCP1640_MicrochipTechnology.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Microchip Technology

Part Number Description
MCP1640 0.65V Start-up Synchronous Boost Regulator
MCP1640C 0.65V Start-up Synchronous Boost Regulator
MCP1640D 0.65V Start-up Synchronous Boost Regulator
MCP1601 500mA Synchronous BUCK Regulator
MCP1603 500 mA Synchronous Buck Regulator

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
MCP1640/B/C/D 0.65V Start-Up Synchronous Boost Regulator with True Output Disconnect or Input/Output Bypass Option Features • Up to 96% Typical Efficiency • 800 mA Typical Peak Input Current Limit: - IOUT > 100 mA @ 1.2V VIN, 3.3V VOUT - IOUT > 350 mA @ 2.4V VIN, 3.3V VOUT - IOUT > 350 mA @ 3.3V VIN, 5.0V VOUT • Low Start-Up Voltage: 0.65V, typical 3.3V VOUT @ 1 mA • Low Operating Input Voltage: 0.35V, typical 3.3VOUT @ 1 mA • Adjustable Output Voltage Range: 2.0V to 5.5V • Maximum Input Voltage  VOUT < 5.