LTC2938CDE#PBF

Power Supply Controllers, Monitors Overview

The LTC2938CDE#PBF is a configurable supply monitor manufactured by Analog Devices Inc., housed in a 12-pin MSOP package. It monitors up to four voltage inputs with programmable thresholds accurate to ±1.5%. The device features an integrated watchdog timer and adjustable reset timeout periods via external capacitors. Operating from a supply voltage of 1 V to 7 V, it draws a maximum supply current of 80 µA. The component supports push-pull outputs and functions within a commercial temperature range of 0°C to +70°C.

Power Supply Controllers, Monitors Feature Summary

• Configurable monitoring for up to four independent supply voltages using external resistive dividers
• Integrated watchdog timer with timeout periods adjustable via external capacitors
• High accuracy voltage threshold detection with ±1.5% tolerance over the operating temperature range
• Adjustable reset delay times controlled by external capacitor connections

Power Supply Controllers, Monitors Applications

• Systems requiring supervision of multiple power rails
• Embedded controllers needing watchdog functionality
• Industrial equipment with complex power architectures

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix against official Analog Devices documentation to confirm pinout and electrical characteristics. Ensure the selected variant matches the required number of monitored channels and output configuration. Cross-reference the datasheet for exact thermal performance and packaging details before integration.

Power Supply Controllers, Monitors Selection Notes

Select this component when designing systems that require monitoring of multiple voltage levels with precise threshold accuracy. Consider the external resistor requirements for setting custom thresholds and the capacitor dependencies for configuring watchdog and reset timings. Evaluate the package constraints and operating temperature range against the target application environment.

Power Supply Controllers, Monitors Part Context

This part belongs to the LTC2938/LTC2939 family of configurable supply monitors designed for applications requiring robust power management supervision. These devices are engineered to provide reliable system protection by detecting out-of-specification voltage conditions and managing reset states through configurable timers.

Power Supply Controllers, Monitors Replacement Considerations

Consult official Analog Devices substitution guides for verified alternatives. Verify compatibility regarding pin configurations, electrical specifications, and package dimensions before considering any cross-references.