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LM2776 - Switched Capacitor Inverter

General Description

The LM2776 CMOS charge-pump voltage converter inverts a positive voltage in the range from 2.7 V to 5.5 V to the corresponding negative voltage.

Key Features

  • 1 Input Voltage: 2.7 V to 5.5 V.
  • 200-mA Output Current.
  • Inverts Input Supply Voltage.
  • Low-Current PFM Mode Operation.
  • 2-MHz Switching Frequency.
  • Greater than 90% Efficiency.
  • Current Limit and Thermal Protection.
  • No Inductors 2.

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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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Product Folder Order Now Technical Documents Tools & Software Support & Community Reference Design LM2776 SNVSA56B – MAY 2015 – REVISED FEBRUARY 2017 LM2776 Switched Capacitor Inverter 1 Features •1 Input Voltage: 2.7 V to 5.5 V • 200-mA Output Current • Inverts Input Supply Voltage • Low-Current PFM Mode Operation • 2-MHz Switching Frequency • Greater than 90% Efficiency • Current Limit and Thermal Protection • No Inductors 2 Applications • Operational Amplifier Power Supplies • Interface Power Supplies • Data Converter Supplies • Audio Amplifier Power Supplies • Portable Electronic Devices 2.7 V to 5.5 V 2.2 PF Typical Application LM2776 VIN VOUT -VIN @ up to 200mA EN C1+ 2.