Not Recommended for New Design
PT7M7803/7809-7812/7823-7825
μP Supervisor Circuits
Features
Description
Precision supply-voltage monitor
The PT7M78xx 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.
-
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)
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
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
For automotive applications requiring specific change
control (i.e. parts qualified to AEC-Q100/101/200, PPAP
capable, and manufactured in IATF 16949 certified
facilities), please contact us or your local Diodes
representative.
https://www.diodes.com/quality/product-definitions/
The main functions are:
1. Asserting reset output during power-up, powerdown and brownout conditions for P system.
2. Watchdog functions
3. Manual reset.
Applications
Power-supply circuitry in P systems
Networking
Security System
Server/Storage
Embedded System
Function Comparison Table
Part No.
1
2
3
4
5
6
7
8
PT7M7803
PT7M7809
PT7M7810
PT7M7811
PT7M7812
PT7M7823
PT7M7824
PT7M7825
RESET output
Push-Pull
Open-Drain
-
RESET output
(push-pull)
Manual Reset
Input
Watchdog
Input
-
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant.
2. See https://www.diodes.com/quality/lead-free/ for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain
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