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TC115 - PFM/PWM Step-Up DC/DC Converter

General Description

The TC115 is a high-efficiency step-up DC/DC converter for small, low input voltage or battery powered systems.

This device has a start-up voltage of 0.9V and a typical supply current of 80µA.

Phase compensation and soft-start circuitry are included onchip.

Key Features

  • High Efficiency at Low Output Load Currents via PFM Mode.
  • Assured Start-up at 0.9V.
  • 80µA (Typ) Supply Current.
  • 85% Typical Efficiency at 100mA.
  • 140mA Typical Output Current @ VIN = 2.0V.
  • Low Power Shutdown Mode.
  • No External Switching Transistor Needed.
  • Space Saving SOT-89 Package Package Type SOT-89-5 5 GND 4 LX TC115 NC 1 PS 2 SHDN 3.

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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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TC115 PFM/PWM Step-Up DC/DC Converter Features • High Efficiency at Low Output Load Currents via PFM Mode • Assured Start-up at 0.9V • 80µA (Typ) Supply Current • 85% Typical Efficiency at 100mA • 140mA Typical Output Current @ VIN = 2.0V • Low Power Shutdown Mode • No External Switching Transistor Needed • Space Saving SOT-89 Package Package Type SOT-89-5 5 GND 4 LX TC115 NC 1 PS 2 SHDN 3 Applications • • • • • • Pagers Cellular Phones Palmtops 1-Cell to 3-Cell Battery Powered Systems Cameras, Video Recorders Local +3V to +5V Supplies General Description The TC115 is a high-efficiency step-up DC/DC converter for small, low input voltage or battery powered systems. This device has a start-up voltage of 0.9V and a typical supply current of 80µA.