CXAS42269是一个N通道MOSFET功率开关，专为高压侧负载开关应用而设计，该装置的典型RDS（ON）为85mΩ，输出电流限制在2A，CXAS42269具有一个转换率限制的接通负载开关，并提供一个关闭负载放电电路，在开关被禁用时快速关闭负载电路。CXAS42269在2.0V到5.5V的输入电压范围内工作。它适用于3V和5V系统。CXAS42269还具有欠压锁定功能，当存在输入欠压情况时，该功能将关闭开关。输入逻辑电平与TTL和2.5V至5V CMOS兼容。在关机模式下，电源电流减小到小于1μA。
2.0V至5.5V输入电压范围
·非常低的RDS（开），通常为85mΩ（5V）
·VCC=5V时，典型电流限制为2.5A
·回转率限制开启时间1.5毫秒（5伏）
快速关闭负载释放
TTL/CMOS输入逻辑电平
无反向输出电流
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[ CXAS42269 ]"
目录
7.相关产品
产品概述 返回TOP
The CXAS42269 is a N-channel MOSFET power switch designed for high-side load-switching applications, and the device has a typical RDS(ON) of 85mΩ and the output current is limited to 2A.The CXAS42269 has a slew rate limited turnon load switch and offers a shutdown load discharge circuit to rapidly turn off a load circuit when the switch is disabled. The CXAS42269 operates with an input voltage ranging from 2.0V to 5.5V. It is suitable for both 3V and 5V systems. The CXAS42269 also features an under voltage lock out which turns the switch off when an input under-voltage condition exists. Input logic levels are TTL and 2.5V to 5V CMOS compatible. In shutdown mode, the supply current decreases to less than 1μA.The CXAS42269 is available in a SOT-23-5 package.
产品特点 返回TOP
„ 2.0V to 5.5V Input Voltage Range
„ Very Low RDS(ON) , Typically 85mΩ (5V)
„ Typical Current Limited is 2.5A at VCC=5V
„ Slew Rate Limited Turn-On Time 1.5ms (5V)
„ Fast Shutdown Load Discharge
„ TTL/CMOS Input Logic Level
„ No Reverse Output Current
„ SOT-23-5 Package
应用范围 返回TOP
„ Cellular Telephones
„ Digital Still Cameras
„ Hot Swap Supplies
„ Notebook Computers
„ Personal Communication Devices
„ Personal Digital Assistants (PDAs)
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产品封装图 返回TOP
电路原理图 返回TOP
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Single Power Switch |
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Part NO. |
Vin(V) min. |
Vin(V) max. |
RON (Ohm) |
VOUT rising (μs) |
Ilimit (A) |
OC Flag |
Discharge (Ohm) |
Note |
Package |
|
1 |
3.6 |
25 |
140 |
1 |
N |
80 |
RON = 56m ohm@VIN = 1.2V |
WLCSP2X2-4 |
|
|
1 |
3.6 |
78 |
48/220 |
0.5 |
N |
88/N |
RON = 146m ohm@VIN = 1.2V |
WLCSP2X2-4 |
|
|
1.5 |
5 |
25 |
130 |
3 |
N |
250 |
RON = 68m ohm@VIN = 1.5V |
WLCSP2X2-4 |
|
|
1.5 |
5.5 |
20 |
3300 |
3 |
N |
N |
RON = 48m ohm@VIN = 1.5V |
WLCSP2X3-6 |
|
|
0.6 |
5.5 |
12 |
ADJ |
12 |
N |
150 |
HV Vbias Needs |
ADFN2X2-8 |
|
|
2.7 |
5.5 |
120 |
150 |
2 |
N |
75 |
N/A |
SOT-23-5 |
|
|
2.7 |
5.5 |
120 |
1900 |
2 |
N |
75 |
SS |
SOT-23-5 |
|
|
2.7 |
5.5 |
120 |
1900 |
2.5 |
N |
R |
SS,External discharging |
SOT-23-5/ADFN1.5X1.5-6 |
|
|
2.7 |
5.5 |
70 |
1400 |
1 |
Y |
130 |
N/A |
SOT-23-5 |
|
|
2.7 |
5.5 |
90 |
1200 |
ADJ |
-- |
-- |
-- |
SOT-23-5 |
|
|
2.7 |
5.5 |
90 |
1500 |
ADJ |
Y |
N |
SS, OC Setting by a R |
SOP-8/TDFN2X2-6/ MSOP-8 |
|
|
2 |
5.5 |
80 |
2500 |
2.5 |
N |
153 |
Turn on delay 800us |
TDFN2X2-8 |
|
|
2 |
5.5 |
85 |
1500 |
2.5 |
N |
153 |
Turn on delay 800us |
SOT-23-5 |
|
|
1.5 |
5.5 |
80 |
1000 |
-- |
N |
R |
External discharging |
TDFN1.6X1.6-6 |
|
|
2.7 |
5.5 |
70 |
1000 |
1.2 |
Y |
N |
SS, Fast SCP, HML 2.0 VOUT Reverse-Voltage Protection |
SOT-23-6 |
|
|
2.7 |
5.5 |
70 |
1000 |
3.3 |
Y |
N |
N/A |
MSOP-8 |
|
|
2.7 |
5.5 |
70 |
1000 |
1.5 |
Y |
N |
N/A |
SOP-8 |
|
|
2.7 |
5.5 |
125 |
1500 |
0.45 |
Y |
75 |
N/A |
SOP-8 |
|
|
2.7 |
5.5 |
70 |
1500 |
2.5 |
Y |
70 |
N/A |
SOP-8/MSOP-8/ TDFN3X3-8 |
|
|
0.6 |
5.5 |
5.5 |
ADJ |
10 |
N |
150 |
Need a 5V Bbias, A/B/C = 5.5/11/22 m ohm; 10A/6A/4A |
TDFN3X3-8/MSOP-8(FD)/SOT-23-6 |
|
