Datasheet > RT9629AZQW

RT9629AZQW

更新时间： 2024-02-13 12:10:01

品牌	Logo	应用领域
立锜 - RICHTEK		/
页数	文件大小	规格书
14页	194K
描述
IC FET DVR 3CH SYNC BUCK 24WQFN

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中文翻译

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数据手册

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RT9629AZQW 数据手册

RT9629A

Triple-Channel Synchronous Rectified Buck MOSFET

Driver

General Description

Features

 Drive SixN-MOSFETs for 3-Phase Buck PWM Control

The RT9629A is a high frequency, triple-channel

synchronous rectified buck MOSFET driver specifically

designed to drive six power N-MOSFETs. The part is

promoted to pair with Richtek's multiphase buck PWM

controller family for high-density power supply

implementation. The output drivers of RT9629A can

efficiently switch power MOSFETs at frequency 300kHz

typically. Operating in higher frequency should consider

the thermal dissipation carefully. The device implements

bootstrapping on the upper gate with only an external

capacitor and a diode required. This reduces circuit

complexity and allows the use of higher performance, cost

effective N-MOSFETs. All drivers incorporate adaptive

shoot-through protection to prevent upper and lower

MOSFETs from conducting simultaneously and shorting

the input supply. The RT9629Ahas also detected the fault

condition during initial start-up before the multi-phase PWM

controller takes control. As a result, the input supply will

latch into the shutdown state. The RT9629A comes in a

small footprint package with WQFN-24L 5x5 package.

 Shoot Through Protection

 Embedded Bootstrap Diode

 Support High Switching Frequency

 Fast Output Rising Time

 Tri-State PWM Input for Output Shutdown

 Enable Control

 Small 24-Lead WQFN Package

 RoHS Compliant and Halogen Free

Applications

 Core Voltage Supplies forDesktop, Motherboard CPU

 High Frequency Low ProfileDC/DC Converters

 High Current Low VoltageDC/DC Converters

 Core Voltage Supplies forGFX Card

Marking Information

RT9629AZQW : Product Number

RT9629A

ZQW

YMDNN : Date Code

YMDNN

Simplified Application Circuit

12V

VCCx

RT9629A

PHASE1

PHASE2

PHASE3

OUT

PWM1

PWM2

PWM3

EN1

PWM2

PWM3

Chip Enable

EN2

EN3

GND

is a registered trademark of Richtek Technology Corporation.

DS9629A-05 July 2015

www.richtek.com

12 3 4 5 6 7...14

中文翻译

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