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PT7M7823Y Datasheet(PDF) 1 Page - List of Unclassifed Manufacturers |
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PT7M7823Y Datasheet(HTML) 1 Page - List of Unclassifed Manufacturers |
1 / 13 page ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| PT0109(10/10) Ver: 15 1 Data Sheet PT7M7803/7809-7812/7823-7825 µP Supervisor Circuits Features Precision supply-voltage monitor - 4.63V (PT7M78xxL) - 4.38V (PT7M78xxM except PT7M7803/09/10M) - 3.08V (PT7M78xxT) - 2.93V (PT7M78xxS) - 2.63V (PT7M78xxR) - 2.32V (PT7M78xxZ) - 2.20V (PT7M78xxY) - 4.00V (PT7M78xxJ) - 4.26V (PT7M7803/09/10M) - 2.25V (PT7M7823/24K) 200ms reset pulse width Debounced CMOS-compatible manual-reset input (7811, 7812, 7823, 7825) Reset Output Signal for Watchdog and Power Abnormal, Manual Reset Reset Push-Pull output (PT7M7809,7811,7823, 7824,7825) Reset Open-Drain output (PT7M7803) Voltage monitor for power-fail or low battery warning Guaranteed RESET/RESET valid at VCC=1.0V Description The PT7M78xx family microprocessor ( µP) supervisory circuits are targeted to improve reliability and accuracy of power-supply circuitry in µP systems. These devices reduce the complexity and number of components required to monitor power-supply and battery functions. The main functions are: 1. Asserting reset output during power-up, power- down and brownout conditions for µP system. 2. Detecting power failure or low-battery conditions with a 1.25V threshold detector. 3. Watchdog functions 4. Manual reset. Applications Power-supply circuitry in µP systems Ordering Information Part Number Package Part Number Package PT7M7803XTE Lead free and Green SOT23-3 PT7M7824XTAE Lead free and Green SOT23-5 PT7M7809XTE Lead free and Green SOT23-3 PT7M7825XTAE Lead free and Green SOT23-5 PT7M7810XTE Lead free and Green SOT23-3 PT7M7811XTBE Lead free and Green SOT143 PT7M7811XTAE Lead free and Green SOT23-5 PT7M7812XTBE Lead free and Green SOT143 PT7M7812XTAE Lead free and Green SOT23-5 PT7M7809XUWF Wafer form PT7M7823XTAE Lead free and Green SOT23-5 Note: “X” refers to voltage range, see below table. Suffix: X—Monitored Voltage X L M 1) T S R Z Y J K 2) Reset Threshold (V) 4.63 4.38 3.08 2.93 2.63 2.32 2.20 4.00 2.25 Note1): Threshold voltage=4.38V can be applied to all parts except PT7M7803/09/10M. PT7M7803/09/10M’s threshold voltage is 4.26V. 2): Threshold voltage=2.25V only for PT7M7823/24K. |
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