The CXAS42223 is an ultra small, low RON load switch with controlled turn on. The device contains an N-Channel MOSFET that operates over an input voltage range of 1V to 5V. The switch is controlled by EN pin, which is capable of interfacing directly with low voltage control signals.
CXAS42223 device limits the output current to a safe level by using a constant current mode when the output load exceeds the current-limit threshold. An internal reverse voltage comparator disables the power switch when the output voltage is driven higher than the input to protect devices on the input side of the switch
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[ CXAS42223 ]"
目录
7.相关产品
产品概述 返回TOP
The CXAS42223 is an ultra small, low RON load switch with controlled turn on. The device contains an N-Channel MOSFET that operates over an input voltage range of 1V to 5V. The switch is controlled by EN pin, which is capable of interfacing directly with low voltage control signals.
CXAS42223 device limits the output current to a safe level by using a constant current mode when the output load exceeds the current-limit threshold. An internal reverse voltage comparator disables the power switch when the output voltage is driven higher than the input to protect devices on the input side of the switch.
The CXAS42223 is available in Green WLCSP-0.9×0.9-4B package and operates over a temperature range of -40℃ to +85℃.
产品特点 返回TOP
• Low Input Voltage: 1V to 5V
• Ultra-Low On-State Resistance (RON)
RON = 54mΩ at VIN = 5.0V
RON = 54mΩ at VIN = 3.6V
RON = 58mΩ at VIN = 2.5V
RON = 74mΩ at VIN = 1.8V
RON = 84mΩ at VIN = 1.2V
RON = 84mΩ at VIN = 1.0V
• 1A Maximum Continuous Switch Current
• Quiescent Current: 5μA (TYP)
• Shutdown Current: < 1.5μa
< 1.5μa
• Low Control Input Thresholds Enable Use of
Low-Voltage Logic
• Controlled Slew Rate to Avoid Inrush Currents
• Quick Output Discharge (QOD)
• Available in Green WLCSP-0.9×0.9-4B Package
应用范围 返回TOP
Battery Powered Equipment
Portable Industrial Equipment
Portable Medical Equipment
Portable Media Players
Point of Sales Terminal
GPS Devices
技术规格书（产品PDF) 返回TOP
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产品封装图 返回TOP
电路原理图 返回TOP
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负载开关 |
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Part Number |
VCC(Min) (V) |
VCC(Max) (V) |
Iq (μA) |
Continuous Output Current(mA) |
SHDN Iq (μA) |
Current Limit(mA) |
Soft-Start |
Package |
|
2.2 |
5.5 |
19 |
1100 |
1 |
1850 |
Y |
SOT-23-5 |
|
|
2.2 |
5.5 |
19 |
1100 |
NA |
1750 |
Y |
SOT-23-5 |
|
|
2.2 |
5.5 |
19 |
1100 |
1 |
1850 |
Y |
TDFN-2x2-6L |
|
|
1 |
5 |
5 |
1000 |
1.5 |
1600 |
WLCSP-0.9x0.9-4B |
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