LTC4359CDCB#PBF

OR Controllers, Ideal Diodes Overview

The LTC4359CDCB#PBF is a positive high-voltage ideal diode controller manufactured by Analog Devices Inc. It drives an external N-channel MOSFET to replace Schottky diodes, ensuring smooth current delivery without oscillation. The device operates within a voltage range of 4V to 80V and features reverse input protection down to -40V. It offers low quiescent currents of 150µA during operation and 9µA in shutdown mode for load switch applications. The component is housed in a compact 6-pin DFN package measuring 2mm x 3mm.

OR Controllers, Ideal Diodes Feature Summary

• Replaces power Schottky diodes to reduce power dissipation and thermal stress
• Provides fast turn-off capability to minimize reverse current transients during fault conditions
• Supports ORing configurations for redundant power systems with back-to-back N-channel MOSFET control

OR Controllers, Ideal Diodes Applications

• Automotive battery protection circuits
• Redundant power supply systems
• Telecommunications infrastructure power management
• Server and computer system power distribution

OR Controllers, Ideal Diodes Procurement Notes

Verify the specific suffix 'PBF' indicates tube packaging rather than tape and reel when sourcing. Confirm the 'C' temperature grade aligns with industrial requirements. Check current availability status as distribution channels may vary. Ensure the external N-channel MOSFET selection matches the controller's drive capabilities for optimal performance.

OR Controllers, Ideal Diodes Selection Notes

Select this part for applications requiring high-voltage ideal diode control with minimal static power consumption. The DFN-6 package suits space-constrained designs. Consider the automotive-grade variants if higher temperature ratings or AEC-Q100 qualification are required for the specific deployment environment.

OR Controllers, Ideal Diodes Part Context

This component belongs to the LTC4359 family of ideal diode controllers from Analog Devices. It is designed to integrate seamlessly into power management architectures where efficiency and reliability are critical. The family supports various packaging options to accommodate different board layout constraints and thermal requirements.

OR Controllers, Ideal Diodes Replacement Considerations

LTC4359HDCB#PBF (Higher temperature grade)

OR Controllers, Ideal Diodes FAQ

What is the minimum operating supply voltage?

The minimum operating supply voltage is 4V.

Does the device support reverse input protection?

Yes, it provides reverse input protection down to -40V.