Microprocessor supervisory circuit monitors system voltage with programmable delay
Delay time can be adjusted from 1.25ms to 10ms by connecting an external capacitor to the CT pin; a longer 20ms delay can be achieved by disconnecting the CT pin, while a 300ms delay is possible by connecting the CT pin to VDD with a resistor. The small form-factor devices enable power-on reset functionality for microprocessor and other digital systems while consuming minimal power, with a very low quiescent current, typically 2.8A. Available in SOT26 and DFN2020-6 packages, the PT7M3808 takes up very little board space for both new and drop-in replacement designs.
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