111-3038PBF

Overview

The Infineon Technologies 111-3038PBF is an N+1 ORing controller designed for power management applications in -48V distributed power systems. It utilizes external N-channel MOSFETs to manage redundant power sources, ensuring seamless load transfer between inputs. The device features a delay time of 27μs for turn-on operations. Packaged in an 8-SOIC format with a width of 3.90mm, it provides robust control logic without internal switching elements.

Feature Summary

• Supports N+1 redundancy configurations for reliable power distribution
• Controls external N-channel MOSFETs for ideal diode emulation
• Optimized for -48V telecommunications and industrial power architectures

Applications

• -48V distributed power systems
• Telecommunications power supplies
• Redundant server power units

Procurement Notes

Verify component authenticity through authorized Infineon channels or certified distributors. Confirm the 8-SOIC package dimensions and pinout compatibility with existing PCB layouts. Check for RoHS compliance status and ensure storage conditions adhere to moisture sensitivity levels specified in the official datasheet to prevent lead frame corrosion before soldering.

Selection Notes

Select this controller when designing redundant power architectures requiring precise timing control for source switchover. It is suitable for systems utilizing external N-channel FETs rather than integrated solutions. Evaluate the 27μs delay parameter against system transient requirements to ensure stable voltage regulation during input failure events.

Part Context

This component belongs to the PMIC category, specifically within OR Controllers and Ideal Diodes. It serves as a critical interface element in high-reliability power stages, replacing traditional diode-based ORing circuits to reduce conduction losses. The part is manufactured by Infineon Technologies, formerly associated with International Rectifier technologies.

Replacement Considerations

Public confirmed substitute part numbers are not available in verified documentation. Due to the specific timing characteristics and control logic of this N+1 controller, direct pin-to-pin replacements may require circuit redesign. Consult official Infineon resources for updated product line recommendations.