Datasheet > RT9627AGQW

RT9627AGQW

更新时间： 2024-02-19 07:28:48

品牌	Logo	应用领域
立锜 - RICHTEK		/
页数	文件大小	规格书
12页	161K
描述
High Voltage Synchronous Rectified Dual-Channel Buck MOSFET Driver

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RT9627AGQW 数据手册

RT9627A

High Voltage Synchronous Rectified Dual-Channel Buck

MOSFET Driver for Notebook Computer

General Description

Features

^Dual-Channel Driver

The RT9627A is a high frequency, dual-channel driver

specifically designed to drive two power N-MOSFETs in

each channel of a synchronous-rectified Buck converter

topology. It is especially suited for mobile computing

applications that require high efficiency and excellent

thermal performance. This driver, combined with Richtek's

series of multi-phase Buck PWM controllers, provides a

complete core voltage regulator solution for advanced

microprocessors.

^Each Channel Drives Two N-MOSFETs

^Adaptive Shoot-Through Protection

^0.5Ω On-Resistance, 4A Sink Current Capability

^Supports High Switching Frequency

^Tri-State PWM Input for Power Stage Shutdown

^Output Disable Function

^Integrated Boost Switch

^Low Bias Supply Current

^VCC POR Feature Integrated

The drivers are capable of driving a 3nF load with fast

rising/falling time and fast propagation delay. This device

implements bootstrapping on the upper gates with only a

single external capacitor. This reduces implementation

complexity and allows the use of higher performance, cost

effective,N-MOSFETs.Adaptive shoot through protection

is integrated to prevent both MOSFETs from conducting

simultaneously.

^RoHS Compliant and Halogen Free

Applications

 Core Voltage Supplies for Intel^®/ AMD^®Mobile

Microprocessors

 High Frequency Low ProfileDC/DC Converters

 High Current Low Output VoltageDC/DC Converters

 High Input VoltageDC/DC Converters

Simplified Application Circuit

RT9627A

VCC

UG1

UGATE1

BOOT1

CORE

PHASE1

OUT

LG1

Enable

PWM1

LGATE1

UGATE2

PWM1

UG2

C15

BOOT2

PWM2

GND

PWM2

PHASE2

C16

LG2

LGATE2

is a registered trademark of Richtek Technology Corporation.

DS9627A-02 August 2014

www.richtek.com

12 3 4 5 6 7...12

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