LTC693CSW#PBF

Supervisors Overview

The LTC693CSW#PBF is a supervisory circuit manufactured by Analog Devices Inc., designed for microprocessor power monitoring applications. It operates within a supply voltage range of 3 V to 5.5 V and features a threshold accuracy of 2%. The device includes a watchdog timer, battery backup switch, and power-fail detection capabilities. It is housed in a 16-lead SOIC package with a maximum operating temperature of +70°C and a typical supply current of 600 µA.

Supervisors Feature Summary

• Integrates complete power supervision including reset generation and watchdog timing functions.
• Provides dedicated battery backup switching and power-fail alarm outputs.
• Features high-accuracy internal voltage reference for reliable threshold detection.

Supervisors Applications

• Microprocessor reset circuits
• Battery backup systems
• CMOS RAM write protection
• Power failure alarms

Supervisors Procurement Notes

Verify the specific suffix and package type against the official datasheet to ensure compatibility with your design requirements. Confirm RoHS compliance status and check for any active product change notifications or lifecycle restrictions before finalizing procurement plans.

Supervisors Selection Notes

Select this component when a single-channel supervisor with integrated watchdog and battery management is required. Ensure the 3V to 5.5V input range matches your system rails and that the 16-lead SOIC footprint fits your PCB layout constraints.

Supervisors Part Context

This part belongs to the LTC693 series of supervisory circuits from Analog Devices. It is engineered to provide comprehensive power management solutions for embedded systems, combining voltage monitoring with timing and backup control functions in a compact surface-mount package.

Supervisors Replacement Considerations

Consult the manufacturer's cross-reference guide for verified substitutes. Ensure any replacement maintains identical pinout, voltage thresholds, and package dimensions to avoid redesign efforts.

Supervisors FAQ

Does the LTC693CSW#PBF include a manual reset function?

No, this specific variant does not support manual reset inputs; it relies on automatic power-on reset and watchdog triggers.

What is the output type of the reset signal?

The device provides an open-drain or open-collector CMOS output for the reset signal.