The PT7M7809 family microprocessor (uP) supervisory circuits are targeted to improve reliability and accuracy of power-supply circuitry in uP systems. These devices reduce the complexity and number of components required to monitor power-supply and battery functions.(点击即可咨询芯片详细信息)
PT7M7809’s Features
1、Precision supply-voltage monitor
- 4.63V (PT7M78xxL)
- 4.38V (PT7M78xxM)
- 3.08V (PT7M78xxT)
- 2.93V (PT7M78xxS)
- 2.63V (PT7M78xxR)
- 2.32V (PT7M78xxZ)
- 2.20V (PT7M78xxY)
- 4.00V (PT7M78xxJ)
- 2.25V (PT7M78xxK)
- 2.80V (PT7M78xxG)
2、200ms reset pulse width
3、Debounced CMOS-compatible manual-reset input (7811, 7812, 7823, 7825)
4、Reset Output Signal for Watchdog and Power Abnormal, Manual Reset
5、Reset Push-Pull output (PT7M7809,7811,7823, 7824,7825)
6、Reset Open-Drain output (PT7M7803)
7、Voltage monitor for power-fail or low battery warning
8、Guaranteed RESET/RESET valid at VCC=1.0V
PT7M7809’s Block Diagram
PT7M7809’s Appliacation
1、Power-supply circuitry in uP systems
PT7M7809’s Typical Application Circuit
PT7M7809’s Package
PT7M7809’s Ordering Information