LTC4284IUHG#PBF

Hot Swap Controllers Overview

The LTC4284IUHG#PBF is a high-power negative voltage hot-swap controller manufactured by Analog Devices. It operates within an input voltage range of 10.8 V to 12 V and features two independent channels for managing power insertion into live backplanes. The device is housed in a QFN-44 surface-mount package and supports operation across a temperature range of 0°C to +75°C. It draws a supply current of 2.5 mA during active operation.

Hot Swap Controllers Feature Summary

• Manages safe insertion and removal of circuit boards from energized backplanes
• Integrates energy management capabilities for controlled power sequencing
• Supports dual-channel configuration for independent load control

Hot Swap Controllers Applications

• Server blade power management
• Telecommunications equipment hot-plugging
• Industrial control system board replacement

Hot Swap Controllers Procurement Notes

Verify the specific suffix #PBF indicates lead-free compliance and RoHS status through official manufacturer documentation. Confirm the IUHG variant matches the required industrial temperature grade and pinout compatibility for your PCB layout. Cross-reference the datasheet revision to ensure all electrical characteristics align with your design requirements before finalizing procurement.

Hot Swap Controllers Selection Notes

Select this component when designing systems requiring negative voltage hot-swap protection with integrated energy management. Ensure the 10.8 V to 12 V operating range matches your system's bus voltage. Consider the QFN-44 package size and thermal dissipation needs relative to your application's power density constraints and ambient temperature conditions.

Hot Swap Controllers Part Context

This part belongs to the LTC4284 series of hot-swap controllers, designed for high-power applications. It complements other Analog Devices power management solutions by providing robust protection against inrush currents and short circuits during board insertion. The series focuses on simplifying system reliability in modular architectures where frequent maintenance or upgrades are necessary.

Hot Swap Controllers Replacement Considerations

Public confirmed substitute part numbers: None.