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RT9611A

更新时间： 2024-01-18 13:22:24
品牌 Logo 应用领域
立锜 - RICHTEK 驱动器
页数 文件大小 规格书
15页 228K
描述
Synchronous Rectified Buck MOSFET Drivers

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RT9611A 技术参数

Status：ActiveNumber of Channels：1
Vcc (typ) (V)：12UGATE Rise Time (typ) (ns)：25
UGATE Fall Time (typ) (ns)：12LGATE Rise Time (typ) (ns)：24
LGATE Fall Time (typ) (ns)：10UGATE Source Resistance (typ) (Ohm)：
UGATE Sink Resistance (typ) (Ohm)：1.4LGATE Source Resistance (typ) (Ohm)：
LGATE Sink Resistance (typ) (Ohm)：1.1Disable Pin：Yes
Built-In Bootstrap Diode：YesIq (typ) (mA)：1.2
Features：Tri-State InputPackage Type：WDFN3x3-8E

RT9611A 数据手册

 浏览型号RT9611A的Datasheet PDF文件第2页浏览型号RT9611A的Datasheet PDF文件第3页浏览型号RT9611A的Datasheet PDF文件第4页浏览型号RT9611A的Datasheet PDF文件第5页浏览型号RT9611A的Datasheet PDF文件第6页浏览型号RT9611A的Datasheet PDF文件第7页 
®
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 VCC = 5V or  
VCC = 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, tUGATEpdh. The RT9611B has  
comparatively large tUGATEpdh than 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.  
Copyright 2012 Richtek Technology Corporation. All rights reserved.  
©
is a registered trademark of Richtek Technology Corporation.  
DS9611A/B-03 June 2012  
www.richtek.com  
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