Datasheet > RT9611AGQW

RT9611AGQW

更新时间： 2022-06-24 15:44:45

品牌	Logo	应用领域
立锜 - RICHTEK		/
页数	文件大小	规格书
15页	228K
描述
Synchronous Rectified Buck MOSFET Drivers

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RT9611AGQW 数据手册

RT9611A/B

Synchronous Rectified Buck MOSFET Drivers

General Description

Features

z Drive Two N-MOSFETs

The RT9611A/B is a high frequency, synchronous rectified,

single phase dual MOSFET driver designed to adapt from

normal MOSFET driving applications to high performance

CPU VR driving capabilities.

z Adaptive Shoot Through Protection

z Embedded Bootstrap Diode

z Support High Switching Frequency

z Fast Output Rise Time

The RT9611A/B can be utilized under both V_CC= 5V or

V_CC= 12V applications. The RT9611A/B also builds in an

internal power switch to replace external boot strap diode.

The RT9611A/B can support switching frequency efficiently

up to 500kHz. The RT9611A/B has the UGATE driving

circuit and the LGATE driving circuit for synchronous

rectified DC/DC converter applications. The driving rise/

fall time capability is designed within 30ns and the shoot

through protection mechanism is designed to prevent shoot

through of high side and low side power MOSFETs. The

RT9611A/B has PWM tri-state shut down and OD input

shut down functions which can force driver output into

high impedance.

z Tri-State Input for Bridge Shutdown

z Disable Control Input

z Small SOP-8, SOP-8 (Exposed Pad) and 8-Lead

WDFN Packages

z RoHS Compliant and Halogen Free

Applications

z Core Voltage Supplies forDesktop, Motherboard CPU

z High Frequency Low ProfileDC/DC Converters

z High Current Low VoltageDC/DC Converters

Ordering Information

RT9611A/B

The difference of the RT9611A and the RT9611B is the

propagation delay, t_UGATEpdh. The RT9611B has

comparatively large t_UGATEpdhthan RT9611B. Hence, the

RT9611A is usually recommended to be utilized in

performance oriented applications, such as high power

density CPU VR or GPU VR.

Package Type

S : SOP-8

SP : SOP-8 (Exposed Pad-Option1)

QW : WDFN-8EL 3x3 (W-Type)

Lead Plating System

G : Green (Halogen Free and Pb Free)

Z : ECO (Ecological Element with

Halogen Free and Pb free)

The RT9611A/B comes in a small footprint with 8-pin

packages. The choice of packages type includes SOP-8,

SOP-8 (Exposed Pad) and WDFN-8EL 3x3.

Long Dead Time

Short Dead Time

Note :

Richtek products are :

` RoHS compliant and compatible with the current require-

ments of IPC/JEDEC J-STD-020.

` Suitable for use in SnPb or Pb-free soldering processes.

is a registered trademark of Richtek Technology Corporation.

DS9611A/B-03 June 2012

www.richtek.com

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