PT7M7803RTEX

Supervisors Overview

The PT7M7803RTEX is a precision supply-voltage monitor from Diodes Incorporated, designed as a microprocessor supervisory circuit. It operates within a voltage range of 1.0V to 5.5V and features a fixed reset threshold of 2.63V. The device provides a 200ms reset pulse width and utilizes an open-drain output configuration. It is housed in a SOT-23-3 package and supports industrial temperature ranges from -40°C to +85°C.

Supervisors Feature Summary

• Provides precise monitoring of power supply voltages for microprocessor systems
• Features a debounced manual-reset input capability for system control
• Ensures valid reset signals at low supply voltages down to 1.0V

Supervisors Applications

• Microprocessor system power supervision
• Battery-powered device voltage monitoring
• Power-fail warning circuits

Supervisors Procurement Notes

Verify component authenticity through authorized channels due to end-of-life status. Confirm package integrity and pin alignment against original specifications. Request batch documentation to ensure compliance with historical manufacturing standards. Validate electrical parameters against datasheet limits before integration into critical designs.

Supervisors Selection Notes

Select this component for applications requiring a fixed 2.63V threshold with open-drain output compatibility. Consider the SOT-23-3 footprint constraints and operating temperature range. Evaluate alternative active parts if long-term supply continuity is required, as this specific revision is discontinued.

Supervisors Part Context

This part belongs to the PT7M78xx family of µP supervisor circuits by Diodes Incorporated. These devices are engineered to improve reliability in power-supply circuitry by reducing component count and complexity. The family includes various threshold options and output configurations tailored for different system requirements.

Supervisors Replacement Considerations

PT7M7803JTE

Supervisors FAQ

What is the reset output type for the PT7M7803?

The PT7M7803 features an open-drain reset output.

Does the PT7M7803 include a watchdog timer?

No, the PT7M7803 does not include a built-in watchdog timer.