Datasheet > SIC778A

SIC778A

更新时间： 2024-11-01 11:58:47

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
13页	719K
描述
High Performance DrMOS â Integrated Power Stage

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SIC778A 数据手册

SiC778A

Vishay Siliconix

High Performance DrMOS – Integrated Power Stage

DESCRIPTION

FEATURES

•

The SiC778 is an integrated power stage solution optimized

for synchronous buck applications offering high current, high

efficiency and high power density. Packaged in Vishay’s

proprietary 6 mm x 6 mm MLP package, SiC778 enables

voltage regulator designs to deliver in excess of 40 A per

phase current with 91 % peak efficiency.

The internal Power MOSFETs utilize Vishay’s state-of-the-art

TrenchFET Gen III technology that delivers industry

bench-mark performance by significantly reducing switching

and conduction losses.

The SiC778 incorporates an advanced MOSFET gate driver

IC that features high current driving capability, adaptive

dead-time control, an integrated bootstrap Schottky diode,

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

excessive junction temperature. The driver is also compatible

with a wide range of PWM controllers and supports tri-state

PWM, 3.3 V (SiC778ACD) PWM logic, and skip mode

(SMOD) to improve light load efficiency.

Thermally enhanced PowerPAK^®MLP6x6-40L

package

•

Industry benchmark MOSFET with integrated

Schottky diode

•

Delivers in excess of 40 A continuous current

91 % peak efficiency

High frequency operation up to 1 MHz

Power MOSFETs optimized for 12 V input stage

3.3 V PWM logic with tri-state and hold-off

SMOD logic for light load efficiency boost

Low PWM propagation delay (< 20 ns)

Thermal monitor flag

Enable feature

V_CINUVLO

Compliant with Intel DrMOS 4.0 specification

Material categorization: For definitions of compliance

please see www.vishay.com/doc?99912

APPLICATIONS

•

Synchronous buck converters

Multi-phase VRDs for CPU, GPU, and memory

DC/DC POL modules

TYPICAL APPLICATION DIAGRAM

Figure 1: SiC778 Typical Application Diagram

Document Number: 63808

S12-1132-Rev. B, 21-May-12

For technical support, please contact: powerictechsupport@vishay.com

This document is subject to change without notice.

www.vishay.com

THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

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