PT7M7803STX, PT7M7803TTX, PT7M7809 Selling Leads, Datasheet
MFG:Sipu Package Cooled:SOT-23 D/C:07+
PT7M7803STX, PT7M7803TTX, PT7M7809 Datasheet download
Part Number: PT7M7803STX
MFG: Sipu
Package Cooled: SOT-23
D/C: 07+
PT7M7803STX, PT7M7803TTX, PT7M7809
- Table of contents:
Info of PT7M7803STX
Info of PT7M7803TTX
Info of PT7M7809
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About PT71949
PDF/DataSheet Download
Datasheet: PT71949
File Size: 191069 KB
Manufacturer: Bourns Electronic
Download : Click here to Download
About PT71949
PDF/DataSheet Download
Datasheet: PT71949
File Size: 191069 KB
Manufacturer: Bourns Electronic
Download : Click here to Download
About PT71949
PDF/DataSheet Download
Datasheet: PT71949
File Size: 191069 KB
Manufacturer: Bourns Electronic
Download : Click here to Download
PT7M7809 General Description
The PT7M7xxx family microprocessor (P) supervisory circuits are targeted to improve reliability and accuracy of power-supply circuitry in P 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, powerdown and brownout conditions for P system;
2. Detecting power failure or low-battery conditions with a 1.25V threshold detector;
3. Watchdog functions;
4. Manual reset.
PT7M7809 Maximum Ratings
Storage Temperature ........................ -65oC to +150
Ambient Temperature with Power Applied .............. -40 to +85
Supply Voltage to Ground Potential (Vcc to GND) ........... -0.3V to +7.0V
DC Input Voltage (All inputs except Vcc and GND) .........-0.3V to VCC+0.3V
DC Output Current (All outputs) ........................ 20mA
Power Dissipation .............................. 320mW
(Depend on package)
Note:
Stresses greater than those listed under MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.
PT7M7809 Features
• Precision supply-voltage monitor
- 4.63V (PT7M7xxxL)
- 4.38V (PT7M7xxxM)
- 3.08V (PT7M7xxxT)
- 2.93V (PT7M7xxxS)
- 2.63V (PT7M7xxxR)
- 2.32V (PT7M7xxxZ)
- 2.20V (PT7M7xxxY)
• 200ms reset pulse width
• Debounced CMOS-compatible manual-reset input
(7811, 7812, 7823, 7825, 7342-7344)
• Reset Output Signal for Watchdog and Power Abnormal, Manual Reset
• Reset Push-Pull output (PT7M7809,7811,7823,7824,7825,7342,7345)
• Reset Open-Drain output (PT7M7803/7343)
• Voltage monitor for power-fail or low battery warning
• Guaranteed RESET/RESET valid at VCC = 1.0V
- 4.63V (PT7M7xxxL)
- 4.38V (PT7M7xxxM)
- 3.08V (PT7M7xxxT)
- 2.93V (PT7M7xxxS)
- 2.63V (PT7M7xxxR)
- 2.32V (PT7M7xxxZ)
- 2.20V (PT7M7xxxY)
• 200ms reset pulse width
• Debounced CMOS-compatible manual-reset input
(7811, 7812, 7823, 7825, 7342-7344)
• Reset Output Signal for Watchdog and Power Abnormal, Manual Reset
• Reset Push-Pull output (PT7M7809,7811,7823,7824,7825,7342,7345)
• Reset Open-Drain output (PT7M7803/7343)
• Voltage monitor for power-fail or low battery warning
• Guaranteed RESET/RESET valid at VCC = 1.0V
PT7M7809 Typical Application
• Power-supply circuitry in P systems
PT7M7809 Connection Diagram
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