LTC4355CDE#TRPBF

OR Controllers, Ideal Diodes Overview

The LTC4355CDE#TRPBF is an ideal diode controller manufactured by Analog Devices Inc., designed for high-voltage power management applications. It operates within a supply voltage range of 9 V to 80 V and supports output voltages up to 80 V. The device features a low input current of 600 uA and provides an output current capability of 2 mA. Packaged in a 16-lead SOIC format, it functions as a precision rectifier to eliminate power loss associated with traditional diodes. The component is available in a tape and reel configuration for automated surface-mount assembly.

OR Controllers, Ideal Diodes Feature Summary

• Eliminates conduction losses typical of standard diodes by utilizing external N-channel MOSFETs
• Supports high-voltage operation suitable for redundant power systems and hot-swap scenarios
• Integrates internal fuse blow detection and reverse current blocking capabilities

OR Controllers, Ideal Diodes Applications

• High-voltage redundant power distribution systems
• Hot-swap controller circuits for server backplanes
• Ideal diode implementations in industrial power supplies

OR Controllers, Ideal Diodes Procurement Notes

Verify the specific suffix TRPBF indicates the tape and reel packaging variant when sourcing components. Confirm that the CDE designation corresponds to the commercial temperature grade requirements for the target application environment. Ensure compatibility with the intended external MOSFET selection based on the controller's drive specifications.

OR Controllers, Ideal Diodes Selection Notes

Select this component for applications requiring efficient power routing in high-voltage environments where forward voltage drop must be minimized. Consider the 80 V maximum rating when designing for automotive or industrial bus architectures. Evaluate the need for external MOSFETs to handle the primary load current, as the IC controls the gate rather than conducting the main path directly.

OR Controllers, Ideal Diodes Part Context

This part belongs to the LTC4355 family of ideal diode controllers from Analog Devices. It serves as a specialized PMIC solution for managing power flow between multiple sources. The series is engineered to provide seamless switching between power rails while preventing backflow, ensuring system integrity during source failures or transitions.

OR Controllers, Ideal Diodes Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.