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LM828 Datasheet Switched Capacitor Voltage Converter

Manufacturer: Texas Instruments

Overview: LM828 .ti. SNOS035D – MARCH 2010 – REVISED MAY 2013 LM828 Switched Capacitor Voltage Converter Check for Samples:.

General Description

The LM828 CMOS charge-pump voltage converter inverts a positive voltage in the range of +1.8V to +5.5V to the corresponding negative voltage of −1.8V to −5.5V.

The LM828 uses two low cost capacitors to provide up to 25 mA of output current.

The LM828 operates at 12 kHz switching frequency to reduce output resistance and voltage ripple.

Key Features

  • 1.
  • 2 Inverts Input Supply Voltage.
  • SOT-23 Package.
  • 20Ω Typical Output Impedance.
  • 97% Typical Conversion Efficiency at 5 mA.

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