LTC4421CG#PBF

OR Controllers, Ideal Diodes Overview

The LTC4421CG#PBF is a high-power prioritized PowerPath controller manufactured by Analog Devices Inc. It operates within a supply voltage range of 4.5 V to 28 V and supports load currents up to 2 A. The device utilizes an SSOP-28 package for surface-mount installation. Key electrical characteristics include a quiescent current of 30 µA and a reverse leakage current of 1 µA. The component functions as an ideal diode and load switch, providing efficient power path management with integrated priority control for dual-source applications.

OR Controllers, Ideal Diodes Feature Summary

• Integrates prioritized PowerPath controller functionality for managing multiple power sources
• Functions as an ideal diode and load switch to minimize power loss
• Supports high load currents up to 2 A with low reverse leakage
• Includes integrated priority logic to manage source selection automatically

OR Controllers, Ideal Diodes Applications

• Dual-source power systems requiring automatic source prioritization
• Battery backup circuits with main power path management
• High-efficiency DC-DC power distribution networks
• Industrial equipment requiring reliable hot-swap or power path control

OR Controllers, Ideal Diodes Procurement Notes

Verify the specific suffix and package variant against official Analog Devices documentation before procurement. Confirm that the SSOP-28 form factor matches your PCB footprint requirements. Ensure the operating voltage range aligns with your system's 4.5 V to 28 V input specifications. Cross-reference the part number with the manufacturer's latest datasheet to confirm availability and lead times through authorized distributors.

OR Controllers, Ideal Diodes Selection Notes

Select this component when designing systems that require seamless switching between primary and backup power sources without manual intervention. It is suitable for applications demanding high efficiency and low standby power consumption. Consider the thermal performance in the SSOP-28 package when determining heat dissipation needs. Verify that the 2 A current rating meets the peak load requirements of the downstream circuitry.

OR Controllers, Ideal Diodes Part Context

The LTC4421 belongs to Analog Devices' family of PowerPath controllers, designed for robust power management in industrial and commercial applications. It complements other devices like the LTC4417 and LTC4418 by offering integrated ideal diode functionality alongside prioritized switching. This series addresses the need for efficient power routing in systems with multiple energy inputs, ensuring continuous operation during source transitions.

OR Controllers, Ideal Diodes Replacement Considerations

Public confirmed substitute part numbers are not available in the provided data.