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TPS22929D

更新时间： 2024-01-06 20:15:59
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德州仪器 - TI 开关
页数 文件大小 规格书
21页 746K
描述
Ultra-Small, Low on Resistance Load Switch with Controlled Turn-on

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TPS22929D 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active包装说明：LSSOP,
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：0.82接口集成电路类型：BUFFER OR INVERTER BASED PERIPHERAL DRIVER
JESD-30 代码：R-PDSO-G6JESD-609代码：e4
长度：2.9 mm湿度敏感等级：1
功能数量：1封装主体材料：PLASTIC/EPOXY
封装代码：LSSOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, LOW PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：260
座面最大高度：1.45 mm表面贴装：YES
温度等级：INDUSTRIAL端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：GULL WING端子节距：0.95 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：1.6 mmBase Number Matches：1

TPS22929D 数据手册

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TPS22929  
www.ti.com  
SLVSB39 –DECEMBER 2011  
Ultra-Small, Low on Resistance Load Switch with Controlled Turn-on  
Check for Samples: TPS22929  
1
FEATURES  
DESCRIPTION  
The TPS22929 is a small, low rON load switch with  
controlled turn on. The device contains a P-channel  
MOSFET that can operate over an input voltage  
range of 1.4 V to 5.5 V. The switch is controlled by an  
on/off input (ON), which is capable of interfacing  
directly with low-voltage control signals. The  
TPS22929 is active high enable.  
•
•
•
•
Integrated Single Load Switch  
Small SOT23-6 package  
Input Voltage Range: 1.4-V to 5.5-V  
Low ON-Resistance  
–
–
–
–
rON = 115-mΩ at VIN = 5-V  
rON = 115-mΩ at VIN = 3.3-V  
rON = 118-mΩ at VIN = 2.5-V  
rON = 129-mΩ at VIN = 1.5-V  
The TPS22929 contains  
a 150-Ω on-chip load  
resistor for quick output discharge when the switch is  
turned off. The rise time of the device is internally  
controlled in order to avoid inrush current. The  
TPS22929 family has various slew rate options  
(see ).  
•
•
•
•
•
•
1.8-A Continuous Switch Current (25C)  
Low Threshold Control Input  
Controlled Slew-rate Options  
Under-Voltage Lock Out  
The TPS22929 device provides circuit breaker  
functionality by latching off the power-switch during  
reverse voltage situations. An internal reverse voltage  
comparator disables the power-switch when the  
output voltage (VOUT) is driven higher than the input  
(VIN) to quickly (10µs typ) stop the flow of current  
towards the input side of the switch. Reverse current  
is always active, even when the power-switch is  
disabled. Additionally, under-voltage lockout (UVLO)  
protection turns the switch off if the input voltage is  
too low.  
Quick Output Discharge Transistor  
Reverse Current Protection  
APPLICATIONS  
•
•
•
•
•
•
•
•
Portable Industrial Equipment  
Portable Medical Equipment  
Portable Media Players  
Point Of Sales Terminal  
GPS Devices  
The TPS22929 is available in an small, space-saving  
6-pin SOT23-6 package and is characterized for  
operation over the free-air temperature range  
of –40°C to 85°C.  
Digital Cameras  
Portable Instrumentation  
Smartphones  
TYPICAL APPLICATION  
VIN  
VOUT  
Power  
Supply  
ON  
CIN  
ON  
CL  
RL  
OFF  
GND  
TPS22929  
GND  
Table 1. Feature List  
MAXIMUM OUTPUT  
CURRENT  
rON (typ) at 3.3  
V
Rise Time at 3.3 V  
QUICK OUTPUT  
DISCHARGE(1)  
DEVICE  
ENABLE  
(typ)  
(3.3 V and 25°C)(2)  
TPS22929A(3)  
TPS22929B(3)  
TPS22929C(3)  
TPS22929D  
115-mΩ  
115-mΩ  
115-mΩ  
115-mΩ  
0.5 µs  
100 µs  
Yes  
Yes  
Yes  
Yes  
1.8-A  
1.8-A  
1.8-A  
1.8-A  
Active High  
Active High  
Active High  
Active High  
1000 µs  
4500 µs  
(1) This feature discharges the output of the switch to ground through an 150-Ω resistor, preventing the output from floating.  
(2) See “Thermal Considerations” section in Application Information to calculate maximum continuous current for a specific application.  
(3) Contact local sales/distributor or factory for availability.  
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.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 2011, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
1234567...21

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TPS22929D 替代型号

型号 品牌 替代类型 描述 数据表
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