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LM2770 - Step-Down DC/DC Regulator

General Description

The LM2770 is a switched capacitor step-down regulator that is ideal for powering low-voltage applications in portable systems.

The LM2770 can supply load currents up to 250mA and operates over an input voltage range of 2.7V to 5.5V.

Key Features

  • 1.
  • 2 High Efficiency Multi-Gain Architecture: Peak Power Efficiency >85%.
  • Output Voltage Pairs: 1.2V/1.5V and 1.2V/1.575V.
  • Dynamic Output Voltage Selection.
  • ±3% Output Voltage Accuracy.
  • Output Currents up to 250mA.
  • 2.7V to 5.5V Input Range.
  • Low-Supply-Current Sleep Mode.
  • 55µA Quiescent Supply Current in Full-Power Mode.
  • Soft-Start.
  • Short-Circuit Protection in Full-Power Mode.
  • Current-Limit Protectio.

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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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LM2770 www.ti.com SNVS318E – NOVEMBER 2004 – REVISED MAY 2013 LM2770 High Efficiency Switched Capacitor Step-Down DC/DC Regulator with Sleep Mode Check for Samples: LM2770 FEATURES 1 •2 High Efficiency Multi-Gain Architecture: Peak Power Efficiency >85% • Output Voltage Pairs: 1.2V/1.5V and 1.2V/1.575V • Dynamic Output Voltage Selection • ±3% Output Voltage Accuracy • Output Currents up to 250mA • 2.7V to 5.5V Input Range • Low-Supply-Current Sleep Mode • 55µA Quiescent Supply Current in Full-Power Mode • Soft-Start • Short-Circuit Protection in Full-Power Mode • Current-Limit Protection in Sleep Mode • WSON-10 Package (3mm × 3mm × 0.