LTC4376IDHD#PBF

OR Controllers, Ideal Diodes Overview

The LTC4376IDHD#PBF is a 7A ideal diode controller from Analog Devices, designed for power distribution and ORing applications. It features an internal 15mΩ N-channel MOSFET and supports a wide operating voltage range of 4V to 40V. The device provides reverse input protection up to -40V and includes a shutdown pin for controlling the forward current path when used with external back-to-back MOSFETs. Packaged in a 16-lead DFN (5x4mm) exposed pad, it operates within an industrial temperature range of -40°C to +85°C.

OR Controllers, Ideal Diodes Feature Summary

• Controls internal N-channel MOSFET to minimize forward voltage drop and eliminate oscillation during switching.
• Provides rapid turn-off capability to limit transient reverse current during power failure or short circuit conditions.
• Enables seamless power ORing to enhance system reliability by replacing standard Schottky diodes.
• Supports low quiescent current operation with a dedicated shutdown function for deep sleep modes.

OR Controllers, Ideal Diodes Applications

• Battery protection in portable battery systems
• Redundant power supply architectures
• Automotive electronic modules
• Computer systems and server power distribution

OR Controllers, Ideal Diodes Procurement Notes

Verify the specific suffix IDHD against the official datasheet to confirm the commercial temperature grade (-40°C to +85°C). Ensure the package matches the 16-DFN (5x4mm) footprint requirements. Confirm RoHS compliance status through the manufacturer's declaration. Check for moisture sensitivity level restrictions during storage and handling. Validate that the ordering part number corresponds exactly to the required performance specifications.

OR Controllers, Ideal Diodes Selection Notes

Select this component for high-current applications requiring efficient power ORing without the voltage drop of traditional diodes. The internal MOSFET reduces conduction losses compared to external solutions. Consider the 15mΩ on-resistance for thermal management in dense PCB layouts. The wide input voltage range suits various bus architectures. Evaluate the shutdown pin utility if system-level power control is required.

OR Controllers, Ideal Diodes Part Context

This part belongs to the LTC4376 family of ideal diode controllers manufactured by Analog Devices. It serves as a direct replacement for power Schottky diodes in high-efficiency designs. The series offers variants with different temperature grades and packaging options. The device integrates gate drive logic optimized for controlling the internal power switch efficiently.

OR Controllers, Ideal Diodes Replacement Considerations

LTC4376CDHD#PBF: Commercial temperature grade variant (0°C to 70°C). LTC4376HDHD#PBF: Industrial temperature grade variant (-40°C to 125°C).