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LM5176 - synchronous 4-switch buck-boost controller

General Description

The LM5176 is a synchronous four-switch buck-boost DC/DC controller capable of regulating the output voltage at, above, or below the input voltage.

The LM5176 operates over a wide input voltage range of 4.2 V to 55 V (60-V absolute maximum) to support a variety of applications.

Key Features

  • Functional Safety-Capable.
  • Documentation available to aid functional safety system design.
  • Single inductor buck-boost controller for step-up/ step-down DC/DC conversion.
  • Wide VIN: 4.2 V (2.5 V with bias) to 55 V (60 V maximum).
  • Flexible VOUT: 0.8 V to 55 V.
  • VOUT short protection.
  • High efficiency buck-boost transition.
  • Adjustable switching frequency.
  • Optional frequency sync and dithering.
  • Integrated 2-A MOS.

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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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LM5176 SNVSAI1D – JUNE 2017 – REVISED AUGUST 2021 LM5176 55-V Wide VIN Synchronous 4-switch Buck-boost Controller 1 Features • Functional Safety-Capable – Documentation available to aid functional safety system design • Single inductor buck-boost controller for step-up/ step-down DC/DC conversion • Wide VIN: 4.2 V (2.5 V with bias) to 55 V (60 V maximum) • Flexible VOUT: 0.