LTC2928CG#PBF

Supervisors Overview

The LTC2928CG#PBF is a four-channel power supply sequencer and monitor manufactured by Analog Devices Inc. It operates within a voltage range of 3V to 6V and features a typical supply current of 1.5mA. The device supports independent or simultaneous channel sequencing with programmable delays ranging from 0ms to 400ms. It includes integrated brown-out detection, fault monitoring, and open-drain status outputs. The component is housed in a 36-lead SSOP package and is rated for commercial temperature operation between 0°C and 70°C.

Supervisors Feature Summary

• Provides precise control over the startup sequence of multiple power rails through programmable delay settings.
• Integrates continuous monitoring capabilities to detect under-voltage conditions and signal system faults via dedicated status pins.
• Supports flexible configuration options allowing channels to operate independently or synchronize their activation timing.

Supervisors Applications

• Power management systems requiring strict sequential activation of voltage rails
• Complex embedded platforms managing multiple logic and memory power domains
• Industrial equipment ensuring safe power-up states during system initialization

Supervisors Procurement Notes

Verify the specific suffix designation to confirm the package type and temperature grade align with design requirements. Confirm RoHS compliance status through official documentation prior to integration. Ensure that the operating voltage range matches the target system's supply specifications. Validate thermal performance expectations against the specified commercial temperature limits for reliable long-term operation.

Supervisors Selection Notes

Evaluate the required number of monitored rails to determine if the four-channel capacity meets system needs. Consider the maximum programmable delay duration to ensure adequate settling time between power stages. Assess the necessity for independent versus synchronized sequencing modes based on circuit architecture. Verify compatibility with the available control interface signals and fault reporting mechanisms.

Supervisors Part Context

This component belongs to the LTC2928 series of power management integrated circuits designed for complex multi-rail applications. It complements other Analog Devices products like the LTC2924 and DC1029B evaluation boards. The part serves as a critical interface between power supplies and system controllers, ensuring orderly power distribution.

Supervisors Replacement Considerations

LTC2928CUHF#PBF

Supervisors FAQ

What is the maximum programmable delay supported by this device?

The device supports programmable delays ranging from 0ms up to 400ms for each channel.

How does the device indicate system faults?

It utilizes open-drain status outputs to signal fault conditions such as under-voltage events or sequencing errors.