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SI9913

更新时间： 2024-09-09 22:33:55

品牌	Logo	应用领域
威世 - VISHAY		驱动器
页数	文件大小	规格书
6页	53K
描述
Dual MOSFET Bootstrapped Driver with Break-Before-Make

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数据手册

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SI9913 数据手册

Si9913

Vishay Siliconix

New Product

Dual MOSFET Bootstrapped Driver with Break-Before-Make

FEATURES

APPLICATIONS

D 4.5- to 5.5-V Operation

D Multiphase Desktop CPU Supplies

D Undervoltage Lockout

D Single-Supply Synchronous Buck Converters

D Mobile Computing CPU Core Power Converters

D Standard-to-Synchronous Converter Adaptations

D High Frequency Switching Converters

D 250-kHz to 1-MHz Switching Frequency

D Synchronous Switch Enable

D One Input PWM Signal Generates Both Drive

D Bootstrapped High-Side Drive

D Operates from 4.5- to 30-V Supply

D TTL/CMOS Compatible Input Levels

D 1-A Peak Drive Current

DESCRIPTION

The Si9913 is a dual MOSFET high-speed driver with

break-before-make. It is designed to operate in high frequency

dc-dc switchmode power supplies. The high-side driver is

bootstrapped to handle the high voltage slew rate associated

with “floating” high-side gate drivers. Each driver is capable

of switching a 3000-pF load with 60-ns propogation delay and

25-ns transition time. The Si9913 comes with internal

break-before-make feature to prevent shoot-through current in

the external MOSFETs. A syschronous enable pin is used to

enable the low-side driver. When disabled, the OUT_Lis logic

low.

The Si9913 is available in an 8-pin SOIC package for operation

over the industrial operation range (–40_C to 85_C).

FUNCTIONAL BLOCK DIAGRAM AND TRUTH TABLE

BOOT

OUT

Level Shift

TRUTH TABLE

V_SSYN IN V_OUTLV_OUTH

Undervoltage

OUT

SYN

–

BBM

GND

Document Number: 71343

S-02882—Rev. A, 21-Dec-00

www.vishay.com

12 3 4 5 6

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