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LM2682 - Switched Capacitor Voltage Doubling Inverter

General Description

The LM2682 is a CMOS charge-pump voltage inverter capable of converting positive voltage in the range of +2.0V to +5.5V to the corresponding doubled negative voltage of 4.0V to

11.0V respectively.

Key Features

  • 1.
  • 2 Inverts Then Doubles Input Supply Voltage.
  • Small VSSOP Package and SOIC Package.
  • 90Ω Typical Output Impedance.
  • 94% Typical Power Efficiency at 10 mA.

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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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LM2682 www.ti.com SNVS044B – NOVEMBER 1999 – REVISED MAY 2013 LM2682 Switched Capacitor Voltage Doubling Inverter Check for Samples: LM2682 FEATURES 1 •2 Inverts Then Doubles Input Supply Voltage • Small VSSOP Package and SOIC Package • 90Ω Typical Output Impedance • 94% Typical Power Efficiency at 10 mA APPLICATIONS • LCD Contrast Biasing • GaAs Power Amplifier Biasing • Interface Power Supplies • Handheld Instrumentation • Laptop Computers and PDAs DESCRIPTION The LM2682 is a CMOS charge-pump voltage inverter capable of converting positive voltage in the range of +2.0V to +5.5V to the corresponding doubled negative voltage of −4.0V to −11.0V respectively.