LTC4228CUFD-2#PBF

Hot Swap Controllers Overview

The LTC4228CUFD-2#PBF is a dual-channel hot swap voltage controller manufactured by Analog Devices Inc. It integrates two ideal diode controllers and hot swap control circuits within a single QFN-28 package. The device operates on a supply voltage range of 3 V to 5.5 V with a typical operating supply current of 2.5 mA. Designed for surface mount installation, it supports an industrial temperature range from 0°C to +70°C. This component facilitates safe insertion and removal of live boards while providing overcurrent protection and reverse current blocking capabilities.

Hot Swap Controllers Feature Summary

• Integrates dual independent channels for simultaneous hot swap and ideal diode control
• Provides precise current limiting and foldback protection for board safety
• Supports seamless insertion and removal of powered circuit boards

Hot Swap Controllers Applications

• Telecommunications equipment backplanes
• Industrial automation control modules
• Data center server blade systems

Hot Swap Controllers Procurement Notes

Verify availability status directly with authorized distributors as this part may be subject to limited supply or factory special order constraints. Confirm the specific suffix matches the required thermal and electrical specifications for your design. Ensure compliance with RoHS directives before finalizing procurement orders for production integration.

Hot Swap Controllers Selection Notes

Select this component when dual-channel power path management is required in space-constrained designs. The QFN-28 package offers a compact footprint suitable for high-density PCB layouts. Consider the 2.5 mA quiescent current for efficiency-sensitive applications requiring low standby power consumption during idle states.

Hot Swap Controllers Part Context

This part belongs to the LTC4228 series of hot swap controllers, designed for robust power distribution in multi-board systems. It complements other Analog Devices PMIC solutions by handling transient load conditions and fault isolation. The device ensures system reliability by preventing bus collapse during module insertion or short-circuit events.

Hot Swap Controllers Replacement Considerations

Consult official Analog Devices documentation for verified substitute part numbers. Cross-referencing requires matching channel count, package type, and electrical ratings to ensure functional compatibility without redesigning the power management architecture.