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MAX756 - 3.3V/5V/Adjustable-Output / Step-Up DC-DC Converters

Description

The MAX756/MAX757 are CMOS step-up DC-DC switching regulators for small, low input voltage or battery-powered systems.

The MAX756 accepts a positive input voltage down to 0.7V and converts it to a higher pinselectable output voltage of 3.3V or 5V.

Features

  • Operates Down to 0.7V Input Supply Voltage.
  • 87% Efficiency at 200mA.
  • 60µA Quiescent Current.
  • 20µA Shutdown Mode with Active Reference and LBI Detector.
  • 500kHz Maximum Switching Frequency.
  • ±1.5% Reference Tolerance Over Temperature.
  • Low-Battery Detector (LBI/LBO).
  • 8-Pin DIP and SO Packages ______________Ordering Information PART MAX756CPA MAX756CSA MAX756C/D MAX756EPA MAX756ESA MAX757CPA MAX757CSA MAX757C/D MAX757EPA MAX75.

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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.

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AVAILABLE EVALUATION KIT AVAILABLE MAX756/MAX757 3.3V/5V/Adjustable-Output, Step-Up DC-DC Converters _______________General Description The MAX756/MAX757 are CMOS step-up DC-DC switching regulators for small, low input voltage or battery-powered systems. The MAX756 accepts a positive input voltage down to 0.7V and converts it to a higher pinselectable output voltage of 3.3V or 5V. The MAX757 is an adjustable version that accepts an input voltage down to 0.7V and generates a higher adjustable output voltage in the range from 2.7V to 5.5V. Typical full-load efficiencies for the MAX756/MAX757 are greater than 87%. The MAX756/MAX757 provide three improvements over previous devices. Physical size is reduced—the high switching frequencies (up to 0.
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