LTC4420IMSE#PBF

OR Controllers, Ideal Diodes Overview

The LTC4420IMSE#PBF is a dual-input monolithic PowerPath prioritizer manufactured by Analog Devices Inc. in a 12-pin MSOP EP package. It operates with an input voltage range of 1.8V to 18V and features low operating current for efficient power management. The device provides backup switchover capabilities to maintain critical circuitry during brownout or power loss conditions, ensuring system reliability without the high leakage currents associated with traditional diode-OR configurations.

OR Controllers, Ideal Diodes Feature Summary

• Provides automatic backup switchover to keep critical circuitry active during power loss events
• Minimizes current draw from inactive supplies even when their voltage exceeds the active supply
• Integrates low operating current for enhanced energy efficiency in power path applications

OR Controllers, Ideal Diodes Applications

• Battery backup systems interfacing with low voltage logic
• Power prioritization circuits requiring failsafe backup supplies
• Systems maintaining operation during brownout conditions

OR Controllers, Ideal Diodes Procurement Notes

Verify the specific suffix #PBF indicates lead-free compliance and tube packaging when ordering. Confirm the 12-pin MSOP EP package dimensions match your PCB footprint requirements. Ensure the 1.8V to 18V input range aligns with your system's power rails. Cross-reference the manufacturer part number with official Analog Devices documentation to avoid counterfeit components.

OR Controllers, Ideal Diodes Selection Notes

Select this component when designing power paths that require seamless transition between primary and backup sources. It is suitable for applications needing minimal quiescent current and protection against reverse current flow from inactive supplies. Consider the 12-pin MSOP EP package for space-constrained designs requiring thermal performance.

OR Controllers, Ideal Diodes Part Context

This part belongs to the LTC4420 series of PowerPath controllers designed for robust power switching. It serves as a modern alternative to discrete diode-OR solutions, offering superior efficiency and control. The series is intended for embedded systems where power continuity is critical and space efficiency is required.

OR Controllers, Ideal Diodes Replacement Considerations

Check for direct substitutes within the LTC4420 family, such as the LTC4420IMSE#TRPBF for tape-and-reel packaging. Verify pin compatibility and electrical specifications before replacing with other PowerPath controllers.