DS1238S-5/T&R

Supervisors Overview

The DS1238S-5/T&R is a voltage supervisory circuit manufactured by Analog Devices Inc./Maxim Integrated. It monitors a single input channel with a threshold voltage of 5 V and features an active high, active low, open drain, and push-pull output type. The device includes manual reset capability, a watchdog timer, and battery backup switch functionality. Key electrical parameters include a reset delay time of 150 ms, a maximum power supply voltage of 5.5 V, and a minimum operating temperature of 0 C. The overvoltage threshold is specified at 4.5 V, while the undervoltage threshold is 4.25 V. The typical working supply current is 4 mA.

Supervisors Feature Summary

• Integrates voltage supervision with manual reset and watchdog timer functions
• Supports multiple output configurations including active high, active low, open drain, and push-pull
• Includes battery backup switch for seamless power transition management

Supervisors Applications

• Voltage monitoring in embedded systems
• Watchdog timer implementation in microcontroller circuits
• Battery backup switching in portable devices

Supervisors Procurement Notes

Verify component authenticity through authorized channels due to discontinued status. Confirm package variant matches application requirements as surface mount options exist within the series. Check datasheet revisions for parameter updates before integration into final designs.

Supervisors Selection Notes

Select this component when integrated voltage supervision and watchdog timing are required in a single package. Consider the specific output configuration needs and thermal operating range constraints during design phase. Ensure compatibility with system voltage levels relative to the fixed threshold specifications.

Supervisors Part Context

This part belongs to the DS1238A series of supervisory circuits from Maxim Integrated. It provides comprehensive power management features including under-voltage lockout and reset generation. The series is designed for reliable operation in industrial and commercial environments requiring robust power monitoring.

Supervisors Replacement Considerations

DS1238A-5