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TPS22930AYZVR

更新时间： 2024-02-28 07:46:41
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德州仪器 - TI 开关
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19页 895K
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ULTRA SMALL, LOW RESISTANCE LOAD SWITCH

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TPS22930AYZVR 数据手册

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TPS22930  
www.ti.com  
SLVSBL3 –NOVEMBER 2012  
ULTRA SMALL, LOW RESISTANCE LOAD SWITCH  
Check for Samples: TPS22930  
1
FEATURES  
DESCRIPTION  
The TPS22930 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 1.4V to 5.5V. The switch is controlled by an  
on/off input (ON), which is capable of interfacing  
directly with low-voltage control signals. The  
TPS22930 is active high enable.  
•
•
Integrated Single Channel Load Switch  
Ultra Small CSP-4 Package (0.9mm × 0.9mm,  
0.5mm pitch)  
•
•
Input Voltage Range: 1.4V to 5.5V  
Ultra Low RON Resistance  
–
–
–
RON = 35mΩ at VIN = 5V  
RON = 36mΩ at VIN = 3.6V  
RON = 49mΩ at VIN = 1.8V  
The TPS22930 device provides circuit breaker  
functionality by disabling the body diode during  
reverse voltage (also known as reverse current)  
situations. Reverse current protection is active only  
when the power-switch is disabled (off). The device  
disengages the body diode when the output voltage  
(VOUT) is driven higher than the input (VIN) to stop the  
flow of current towards the input side of the switch.  
Additionally, under-voltage lockout (UVLO) protection  
turns the switch off if the input voltage is too low.  
•
•
•
2A Maximum Continuous Switch Current  
Low Quiescent Current (< 3µA)  
Low Control Input Threshold Enables Use of  
1.2V/1.8V/2.5V/3.3V Logic  
•
•
•
Controlled Slew Rate  
Under Voltage Lockout  
The slew rate of the device is internally controlled in  
order to avoid inrush current.  
Reverse Current Protection When Disabled  
APPLICATIONS  
The TPS22930 is available in an ultra-small, space-  
saving 4-pin CSP package and is characterized for  
operation over the free-air temperature range of  
–40°C to 85°C.  
•
•
•
•
•
•
•
Smartphone / Wireless Handsets  
Portable Industrial / Medical Equipment  
Portable Media Players  
VIN  
VOUT  
Power  
Supply  
Point of Sales Terminals  
GPS Navigation Devices  
Digital Cameras  
OFF  
CIN  
ON  
CL  
RL  
ON  
GND  
TPS22930  
Portable Instrumentation  
GND  
Figure 1. Typical Application  
Feature List  
RON (typ) at  
4.2V  
Rise Time at  
4.2V (typ)  
Quick Output  
Discharge(1)  
Maximum  
Continuous Current  
Device  
Enable  
TPS22930A  
35mΩ  
5.4µs  
No  
2A  
Active High  
(1) This feature discharges output of the switch to GND through a resistor, preventing the output from floating when the pass FET is  
disabled  
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 © 2012, 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.  
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TPS22930AYZVR 替代型号

型号 品牌 替代类型 描述 数据表
TPS22930AYZVT TI

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