Datasheet > SiC951

SiC951

更新时间： 2024-09-26 14:52:51

品牌	Logo	应用领域
威世 - VISHAY		/
页数	文件大小	规格书
28页	3028K
描述
4.5 V to 20 V Input, 25 A microBRICK? DC/DC Regulator Module With PMBus Interface

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SiC951 数据手册

SiC951

Vishay Siliconix

www.vishay.com

4.5 V to 20 V Input, 25 A

microBRICK^®DC/DC Regulator Module With PMBus Interface

FEATURES

• Versatile

- Single supply operation from 4.5 V to 20 V input voltage

- Output current: 25 A continuous with 30 A peak

- Adjustable output voltage from 0.3 V to 5.5 V

- Built in 5 V regulator for internal circuits and driver supply

- 1 % output voltage accuracy over temperature

• Highly efficient

- Close to 97 % peak efficiency

• Highly configurable

Top view

Bottom view

- PMBus 1.3 compliant with 1 MHz bus speed

- Internal NVM

LINKS TO ADDITIONAL RESOURCES

- V_OUTadjustability and reading resolution of 2 mV

- Supports over 50 PMBus commands

Design Tool

Evaluation

Boards

Design Tools

- Ability to support sequential, tracking and simultaneous

operation

DESCRIPTION

- Supports in phase or 180° out of phase synchronization

- Output voltage source and sink capability

• Robust and reliable

The SiC951 is a PMBus 1.3 compliant non-isolated

DC/DC buck regulator module with integrated MOSFETs

and inductor in a 10.6 mm x 6.5 mm x 3 mm thermally

- V_IN, V_OUTand temperature reporting over PMBus

- Over current protection in pulse-by-pulse mode

- Output over voltage protection

efficient package. It is capable of supplying 25

continuously with 30 A peak. Its output voltage is digitally

adjustable from 0.3 V to 5.5 V from a 4.5 V to 20 V input with

switching frequencies up to 1.5 MHz. The SiC951 can

- Output under voltage protection

accommodate

variety of applications, including

- Over temperature protection with hysteresis

- Dedicated enable pin for easy power sequencing

- Power good open drain output

computing, consumer electronics, telecom, and industrial.

SiC951 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. The device incorporates a power saving scheme

that significantly increases light load efficiency.

- Remote sense amplifier with true differential voltage

sensing

- Ultrafast transient response

- Optional power saving mode

The SiC951 allows power block configuration programs to

be stored in non volatile memory (NVM). Operation

parameters such as V_OUT, I_OUT, over temperature etc. can all

be locally stored and used to determine fault behavior.

Operation is firmware based and is field upgradable.

APPLICATIONS

• Servers

• Networking, telecom, storage applications

• Ultrabook, notebook, desktop

• Distributed point of load power architectures

• Storage applications

The SiC951 is available in lead (Pb)-free power enhanced

MLP59-A6C package.

A full featured GUI and interface board is available to

program and facilitate development of SiC951 based

systems.

• DDR memory

S23-0736-Rev. C, 12-Sep-2023

Document Number: 71554

For technical questions, contact: powerictechsupport@vishay.com

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

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