LTC4354CDDB#TR

OR Controllers, Ideal Diodes Overview

The LTC4354CDDB#TR is a hot-swap controller designed for -48V dual-feed applications, combining inputs and returns to reduce power dissipation from 6W using Schottky diodes to 1.1W with MOSFETs. It features an N-channel driver, operates within a supply voltage range of 4V to 80V, and supports a maximum turn-on time of 200,000ns (typ) and turn-off time of 500ns. The device is housed in a 6-pin DFN EP package, measures 3mm x 2mm with a height of 0.75mm max, and functions within an operating temperature range of -40°C to 125°C.

OR Controllers, Ideal Diodes Feature Summary

• Integrates N-channel driver for efficient hot-swap control
• Reduces power dissipation significantly compared to Schottky diode solutions
• Supports wide input voltage range up to 80V
• Automotive grade reliability with extended temperature operation

OR Controllers, Ideal Diodes Applications

• -48V dual-feed power systems
• Input combining and return path management
• Hot-swap controller circuits requiring low power dissipation

OR Controllers, Ideal Diodes Procurement Notes

Verify the specific suffix TR indicates tape and reel packaging configuration. Confirm automotive grade qualification status if required for your application. Ensure the 6-pin DFN EP package dimensions match your PCB layout constraints. Check RoHS compliance and material declaration documents for environmental requirements.

OR Controllers, Ideal Diodes Selection Notes

Select this component when designing -48V systems requiring efficient power combining. Consider the 1.1W dissipation advantage over diode-based solutions. Evaluate the 4V-80V operating range against your system's voltage spikes. The automotive temperature range suits harsh environments.

OR Controllers, Ideal Diodes Part Context

The LTC4354 belongs to Analog Devices' hot-swap controller family, specifically optimized for -48V telecom and industrial applications. It complements parts like the LTC4355 for combined input/return solutions. The CDDB#TR designation specifies the commercial temperature range variant in tape and reel format.

OR Controllers, Ideal Diodes Replacement Considerations

LTC4354HDCB#PBF is a related part number with similar functionality but may differ in packaging or temperature grade specifications.