Description
LM3722/LM3723/LM3724 5-Pin Microprocessor Reset Circuits June 2001 LM3722/LM3723/LM3724 5-Pin Microprocessor Reset Circuits General .
The LM3722/LM3723/LM3724 microprocessor supervisory circuits monitor the power supplies in microprocessor and digital systems.
Features
* n Precise monitoring of 2.5V, 3.3V, and 5V supply voltages n Fully specified over temperature Industrial:
* 40˚C to +85˚C Extended:
* 40˚C to +125˚C n 100 ms minimum Power-On Reset pulse width, 190 ms typical: Active-Low RESET Output (LM3722) Active-High RESET Output (LM3723) Active-Lo
Applications
* Applications
n n n n n Microprocessor Systems Computers Controllers Intelligent Instruments Portable/Battery-Powered Equipment
Typical Application Circuit
20014401
20014437
Connection Diagram
SOT23-5
20014402
* ( ) are for LM3723
© 2001 National Semiconductor Corporation
DS200144
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