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SM74503 - 800mA Low-Dropout Linear Regulator

General Description

The SM74503 is a series of low dropout voltage regulators with a dropout of 1.2V at 800mA of load current.

It has the same pin-out as TI's industry standard LM317.

The SM74503 is available in two fixed voltages, 3.3V and 5V.

Key Features

  • 1.
  • 2 Renewable Energy Grade.
  • Available in 3.3V and 5V Versions.
  • Space Saving SOT-223 Package.
  • Current Limiting and Thermal Protection.
  • Output Current 800mA.
  • Line Regulation 0.2% (Max).
  • Load Regulation 0.4% (Max).
  • Temperature Range.
  • 40°C to 125°C.

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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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SM74503 www.ti.com SNVS722 – NOVEMBER 2011 SM74503 800mA Low-Dropout Linear Regulator Check for Samples: SM74503 FEATURES 1 •2 Renewable Energy Grade • Available in 3.3V and 5V Versions • Space Saving SOT-223 Package • Current Limiting and Thermal Protection • Output Current 800mA • Line Regulation 0.2% (Max) • Load Regulation 0.4% (Max) • Temperature Range −40°C to 125°C APPLICATIONS • Photovoltaic Electronics • Post Regulator for Switching DC/DC Converter • High Efficiency Linear Regulators • Battery Charger • Battery Powered Instrumentation DESCRIPTION The SM74503 is a series of low dropout voltage regulators with a dropout of 1.2V at 800mA of load current. It has the same pin-out as TI's industry standard LM317. The SM74503 is available in two fixed voltages, 3.3V and 5V.