AAT4298

Five/Six Channel Push/Pull I/O Expander General Description The AAT4296/98 SmartSwitch is a member of AnalogicTech's Application Specific Power MOSFET™ (ASPM™) product family. The AAT4296/98 is comprised of five/six push/pull output switches that gate each respective output between a common input supply and ground. This device is targeted for I/O expansion applications, but can also be used for a combination of general purposes to simplify power switching with an off state load discharge. The AAT4296/98 operates over an input voltage range of 1.8V to 5.5V, making it ideal for batterypowered applications. The state of each output channel is controlled with a single GPIO via the EN/SET pin using AnalogicTech's Simple Serial Control™ (S2Cwire™) interface. When EN/SET is pulled to logic high, the device is enabled and consumes 3µA of typical quiescent current. In the off state, each output is pulled low to ground to affect a logic low state for I/O expander or power switching applications; this circuit will act as a load discharge function to rapidly turn off a load circuit. AAT4296/98 Features SmartSwitch™ VIN Range: 1.8V to 5.5V Independent Push/Pull Channels — AAT4296: Five Channels — AAT4298: Six Channels User-Programmable Interface Single GPIO Controls State of Each Output Optional Fast Auto-Discharge Low Quiescent Current: 3µA Typical Temperature Range: -40°C to +85°C Available in Pb-Free Packages: — AAT4296: 8-Pin SC70JW — AAT4298: 10-Pin SC70JW and 12-...