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SiC454 - DC/DC Converter

Description

The SiC454 is a PMBus 1.3 compliant non-isolated DC/DC buck regulator with integrated MOSFETs.

It is capable of supplying up to 12 A continuous output current.

Its output voltage is digitally adjustable from 0.3 V to 12 V from a 4.5 V to 20 V input with switching frequencies up to 1.5 MHz.

Features

  • Versatile - Single supply operation from 4.5 V to 20 V input voltage - Adjustable output voltage from 0.3 V to 12 V - Built in 5 V regulator for internal circuits and driver supply - 1 % output voltage accuracy over temperature - Ultrafast transient response.
  • Highly efficient - 98 % peak efficiency - Optional power save mode.
  • Highly configurable - PMBus 1.3 compliant with 1 MHz bus speed - Internal NVM - VOUT adjustability and reading resolution of 2 mV - Supports ove.

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Datasheet preview – SiC454

Datasheet Details

Part number SiC454
Manufacturer Vishay
File Size 1.23 MB
Description DC/DC Converter
Datasheet download datasheet SiC454 Datasheet
Additional preview pages of the SiC454 datasheet.

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Full PDF Text Transcription

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www.vishay.com SiC454 Vishay Siliconix 4.5 V to 20 V Input, 12 A microBuck® DC/DC Converter With PMBus Interface GND A GND P 2nd line eff - Efficiency (%) 1st line 2nd line LINKS TO ADDITIONAL RESOURCES Design Tool Evaluation Boards Design Tools DESCRIPTION The SiC454 is a PMBus 1.3 compliant non-isolated DC/DC buck regulator with integrated MOSFETs. It is capable of supplying up to 12 A continuous output current. Its output voltage is digitally adjustable from 0.3 V to 12 V from a 4.5 V to 20 V input with switching frequencies up to 1.5 MHz. SiC454 architecture delivers ultrafast transient response with minimum output capacitance and tight regulation over a broad load range. The device has integrated internal compensation and is stable with any type of output capacitor.
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