AAT4291 Description
AAT4290/91 I/O Expander Load Switches with Serial Control General .
The AAT4290 and AAT4291 SmartSwitch products are members of AnalogicTech’s Application Specific Power MOSFET™ (ASPM™) product family.
AAT4291 Features
* a 500ns turn-on time. The switch states are controlled by AnalogicTech’s Simple Serial Control™ (S2Cwire™) interface which permits ease of control and efficiency of size. The quiescent supply current is very low, typically 5µA. In shutdown mode, the supply current is reduced to less than 1µA. The AA
AAT4291 Applications
* Cell Phones I/O Expansion Multiple Low Power Switching Personal Communication Devices Portable Electronic Devices
Typical Application
INPUT
IN
OUT1 OUT2
OUT1 OUT2 OUT3 OUT4 OUT5
AAT4290
EN/SET EN/SET
OUT3 OUT4 OUT5
GND
CIN 1µF COUT1 0.1µF COU
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