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TPS27081ADRVR

更新时间： 2024-01-07 22:17:01
品牌 Logo 应用领域
德州仪器 - TI 开关
页数 文件大小 规格书
14页 1375K
描述
1.2 - 8V, 3A PFET High Side Load Switch with Level Shift & Adjustable Slew Rate Control

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TPS27081ADRVR 技术参数

生命周期：Obsolete包装说明：,
Reach Compliance Code：unknownHTS代码：8542.39.00.01
风险等级：5.82接口集成电路类型：BUFFER OR INVERTER BASED PERIPHERAL DRIVER
Base Number Matches：1

TPS27081ADRVR 数据手册

 浏览型号TPS27081ADRVR的Datasheet PDF文件第2页浏览型号TPS27081ADRVR的Datasheet PDF文件第3页浏览型号TPS27081ADRVR的Datasheet PDF文件第4页浏览型号TPS27081ADRVR的Datasheet PDF文件第5页浏览型号TPS27081ADRVR的Datasheet PDF文件第6页浏览型号TPS27081ADRVR的Datasheet PDF文件第7页 
TPS27081A  
www.ti.com  
SLVSBE9A –APRIL 2012–REVISED JULY 2012  
1.2 - 8V, 3A PFET High Side Load Switch with Level Shift & Adjustable Slew Rate Control  
Check for Samples: TPS27081A  
1
FEATURES  
•
Low ON Resistance, High current PFET  
DESCRIPTION  
The TPS27081A IC is a high side load switch that  
integrates a Power PFET and a Control NMOS in a  
tiny package.  
–
–
–
–
–
RDS(ON) = 32mΩ (Typ) at VGS = –4.5V  
RDS(ON) = 44mΩ (Typ) at VGS =–3.0V  
RDS(ON) = 85mΩ (Typ) at VGS = –1.8V  
RDS(ON) = 85mΩ (Typ) at VGS = –1.5V  
RDS(ON) = 155mΩ (Typ) at VGS = –1.2V  
The TPS27081A is fully protected against ESD  
strikes on all pins. The TPS27081A features industry-  
standard ESD protection on all pins thus providing  
better ESD compatibility with other on-board  
components.  
•
•
Adjustable Turn-ON and Turn-OFF slew rate  
control through discrete components R1, R2,  
and C1  
The TPS27081A level shifts ON/OFF logic signal to  
VIN levels and thus supports as low as 1.2V CPU or  
MCU logic to control higher voltage power supplies  
(VIN) without requiring an external level shifter.  
Supports a wide range of 1.2V up to 8V supply  
inputs  
•
•
Integrated NMOS for Inrush current Control  
NMOS Enable Supports a Wide Range of 1.2V  
up to 8V Control logic Interface  
Switching a large value output capacitor CL through a  
fast ON/OFF logic signal may result in an excessive  
inrush current. To control the load inrush current  
connect a resistor R2, as shown in Figure 2 To  
further limit the inrush current add an external  
capacitor C1. To configure the TPS27081A to  
achieve a specific slew rate refer to the Application  
section.  
•
•
Full Protection Against ESD (All Pins)  
–
HBM 2kV, CDM 500V  
Ultra Low Leakage Current in Stand-by (Typ  
100nA)  
•
•
–40°C to 85°C Temperature Rating  
Available in Tiny 6-pin Packages  
A single external component, R1, is required in  
applications that do not require inrush current control.  
In such applications connect the TPS27081A pin R2  
to system ground.  
–
2.9mm x 1.6mm Thin (0.9mm max) SOT-23  
(DDC)  
–
2mm x 2mm SON-6 (DRV) Preview Only  
VOUT  
VIN  
Up to  
8V  
Supply  
(4)  
(2, 3)  
ESD  
Q1  
ESD  
LOAD  
R1  
CL  
APPLICATIONS  
(6)  
(5)  
C1  
ESD  
ESD  
R1/C1  
GPIO/  
Logic  
Q2  
•
•
•
•
•
High Side Load Switch  
Inrush-current control  
ON/OFF  
R2  
(1)  
R2  
Power Sequencing and Control  
Stand-by Power Isolation  
Portable Power Switch  
Figure 2. Simplified Block & Application Diagram  
Component Table (Typical Application)  
TPS27081ADDC  
(TOP VIEW)  
TPS27081ADRV PREVIEW ONLY  
(TOP VIEW)  
COMPONENT DESCRIPTION  
6
R1/C1  
ON/OFF  
VIN  
R2  
VOUT  
VOUT  
1
2
3
R2  
OUT  
OUT  
1
2
3
6
5
4
R1/C1  
R1  
R2  
C1  
Level Shift Pull-up Resistor  
Optional(1)  
Optional(1)  
GND  
(Thermal Pad)  
ON/OFF  
5
4
VIN  
2mm x 2mm SON-6 (DRV)  
2.9mm x 1.6mm x 0.75mm TSOT-23 (DDC)  
Figure 1. TPS27081A Packages  
(1) Required for load inrush current (slew rate) control  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
PRODUCT PREVIEW information concerns products in the  
formative or design phase of development. Characteristic data and  
other specifications are design goals. Texas Instruments reserves  
the right to change or discontinue these products without notice.  
Copyright © 2012, Texas Instruments Incorporated  
 
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