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TC1121 - 100mA Charge Pump Voltage Converter

General Description

The TC1121 is a charge pump converter with 100 mA output current capability.

It converts a 2.4V to 5.5V input to a corresponding negative output voltage.

As with all charge pump converters, the TC1121 uses no inductors saving cost, size and EMI.

Key Features

  • Optional High-Frequency Operation Allows Use of Small Capacitors.
  • Low Operating Current (FC = Open): - 50 A.
  • High Output Current (100 mA).
  • Converts a 2.4V to 5.5V Input Voltage to a Corresponding Negative Output Voltage (Inverter mode).
  • Uses Only 2 Capacitors; No Inductors Required.
  • Selectable Oscillator Frequency: - 10 kHz to 200 kHz.
  • Power-Saving Shutdown Input.
  • Available in 8-Pin MSOP, 8-Pin PDIP and 8-Pin Small Outlin.

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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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Obsolete Device TC1121 100mA Charge Pump Voltage Converter with Shutdown Features: • Optional High-Frequency Operation Allows Use of Small Capacitors • Low Operating Current (FC = Open): - 50 A • High Output Current (100 mA) • Converts a 2.4V to 5.