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TPS22913A

更新时间： 2024-11-11 12:16:11
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德州仪器 - TI 开关
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22页 864K
描述
Ultra-Small, Low on Resistance Load Switch with Controlled Turn-on

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TPS22913A 数据手册

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TPS22913  
www.ti.com  
SLVSB20 –SEPTEMBER 2011  
Ultra-Small, Low on Resistance Load Switch with Controlled Turn-on  
Check for Samples: TPS22913  
1
FEATURES  
DESCRIPTION  
The TPS22913 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  
TPS22913 is active high enable.  
•
•
Integrated Single Load Switch  
Ultra Small CSP-4 Package 0.9mm × 0.9mm,  
0.5mm Pitch  
•
•
Input Voltage Range: 1.4-V to 5.5-V  
Low ON-Resistance  
–
–
–
–
rON = 60-mΩ at VIN = 5-V  
rON = 61-mΩ at VIN = 3.3-V  
rON = 74-mΩ at VIN = 1.8-V  
rON = 84-mΩ at VIN = 1.5-V  
The TPS22913 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  
TPS22913 family has various slew rate options (see  
Table 1).  
•
•
•
•
•
•
2-A Maximum Continuous Switch Current  
Low Threshold Control Input  
Controlled Slew-rate Options  
Under-Voltage Lock Out  
The TPS22913 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 is driven higher than the input (VIN) to  
quickly (10µs typ) stop the flow of current towards the  
input side of the switch. The reverse current  
protection is active when the power switch is enabled  
(ON). Additionally, during under-voltage lockout  
(UVLO), or when the switch is disabled, no reverse  
current can flow as the switch body diode is not  
engaged.  
Quick Output Discharge Transistor  
Reverse Current Protection  
APPLICATIONS  
•
•
•
•
•
•
•
•
Portable Industrial Equipment  
Portable Medical Equipment  
Portable Media Players  
Point Of Sales Terminal  
GPS Devices  
The TPS22913 is available in an ultra-small,  
space-saving  
4-pin  
CSP  
package  
and  
is  
Digital Cameras  
characterized for operation over the free-air  
temperature range of –40°C to 85°C.  
Portable Instrumentation  
Smartphones  
TYPICAL APPLICATION  
V
V
OUT  
IN  
Power  
Supply  
ON  
ON  
C
L
C
IN  
R
L
OFF  
GND  
TPS22913  
GND  
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.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2011, Texas Instruments Incorporated  
1234567...22

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