Datasheet > SIC769DB

SIC769DB

更新时间： 2024-11-18 09:25:39

品牌	Logo	应用领域
威世 - VISHAY		服务器主板节能技术
页数	文件大小	规格书
18页	379K
描述
Integrated DrMOS Power Stage

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SIC769DB 数据手册

SiC769

Vishay Siliconix

Integrated DrMOS Power Stage

• FEATURES

DESCRIPTION

•

Integrated Gen III MOSFETs and DrMOS

compliant gate driver IC

The SiC769CD is an integrated solution that contains PWM

optimized n-channel MOSFETs (high side and low side) and

a full featured MOSFET driver IC. The device complies with

the Intel DrMOS standard for desktop and server V_corepower

stages. The SiC769CD delivers up to 35 A continuous output

current and operates from an input voltage range of 3 V to

16 V. The integrated MOSFETs are optimized for output

voltages in the ranges of 0.8 V to 2 V with a nominal input

voltage of 12 V. The device can also deliver very high power

at 5 V output for ASIC applications.

The SiC769CD incorporates an advanced MOSFET gate

driver IC. This IC accepts a single PWM input from the V_R

controller and converts it into the high side and low side

MOSFET gate drive signals. The driver IC is designed to

implement the skip mode (SMOD) function for light load

efficiency improvement. Adaptive dead time control also

works to improve efficiency at all load points. The SiC769CD

has a thermal warning (THDN) that alerts the system of

excessive junction temperature. The driver IC includes an

enable pin, UVLO and shoot through protection.

•

Enables V_coreswitching at 1 MHz

Easily achieve > 90 % efficiency in multi-phase,

low output voltage solutions

Low ringing on the VSWH pin reduces EMI

Pin compatible with DrMOS 6 x 6 version 3.0

Tri-state PWM input function prevents negative output

voltage swing

5 V logic levels on PWM

MOSFET threshold voltage optimized for 5 V driver bias

supply

•

Automatic skip mode operation (SMOD) for light load

efficiency

Under-voltage lockout

•

Built-in bootstrap schottky diode

Adaptive deadtime and shoot through protection

Thermal shutdown warning flag

Low profile, thermally enhanced PowerPAK^®MLP 6 x 6

40 pin package

Halogen-free according to IEC 61249-2-21 definition

Compliant to RoHS Directive 2002/95/EC

The SiC769CD is optimized for high frequency buck

applications. Operating frequencies in excess of 1 MHz can

easily be achieved.

•

The SiC769CD is packaged in Vishay Siliconix high

performance PowerPAK MLP6 x 6 package. Compact

co-packaging of components helps to reduce stray

inductance, and hence increases efficiency.

APPLICATIONS

•

CPU and GPU core voltage regulation

Server, computer, workstation, game console, graphics

boards, PC

•

SiC769CD APPLICATION DIAGRAMM

5 V

CIN

SMOD

DSBL#

PWM

BOOT

SWH

PHASE

THDN

SiC769CD

Figure 1

Document Number: 64981

S11-0975-Rev. F, 16-May-11

www.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

12 3 4 5 6 7...18

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