STM1831L24WY6F STMicroelectronics

STM1831 Voltage detector with sense input and external delay capacitor Features Voltage monitored on separate sense input V SEN Factory-trimmed voltage thresholds in 100 mV increments from 1.6 V to 5.7 V 2% voltage threshold accuracy Operating voltage 1.6 V to 6.0 V Open drain output SOT23-5 Low supply current of 0.8 A (typ.) Time delay programmable by external capacitor Power supply transient immunity Available in SOT23-5 package Operating temperature 40 to 85 C Applications Microprocessor reset circuitry Charge voltage monitors Memory battery backup switch circuits Power failure detection circuits November 2010 Doc ID 18180 Rev 1 1/24 www.st.com 1Contents STM1831 Contents 1 Description . 5 1.1 Pin descriptions . 6 2 Operation 8 3 Typical operating characteristics 9 4 Maximum ratings . 17 5 DC and AC parameters 18 6 Package mechanical data 20 7 Part numbering 22 8 Revision history . 23 2/24 Doc ID 18180 Rev 1