IR11672ASTRPBF

Power Supply Controllers, Monitors Overview

The IR11672ASTRPBF is a secondary side high-speed synchronous rectification controller IC from Infineon Technologies, designed for AC-DC power supplies. It operates within a VCC range of 11.4 V to 18 V and supports DCM, CrCM/QR modes with 200 V direct sensing. The device features cycle-by-cycle MOT protection, low quiescent current, and programmable MOT capabilities. Packaged in an 8-Pin SOIC(NB), it complies with RoHS standards and meets DOE energy specifications.

Power Supply Controllers, Monitors Feature Summary

• Supports DCM, CrCM, and QR mode topologies for flexible SMPS designs
• Enables 200 V direct sensing for accurate synchronous rectification control
• Provides cycle-by-cycle MOT protection to enhance system reliability
• Features low quiescent current and programmable MOT settings

Power Supply Controllers, Monitors Applications

• AC-DC adapters
• Server power supplies
• LCD and PDP TV power systems
• Telecommunications SMPS

Power Supply Controllers, Monitors Procurement Notes

Verify the complete part number including the suffix STRPBF to confirm tape and reel packaging configuration. Ensure compatibility with the specific flyback topology requirements. Confirm that the 11.4 V to 18 V VCC operating range aligns with the auxiliary winding design of the target power supply circuit.

Power Supply Controllers, Monitors Selection Notes

Select this component for applications requiring high efficiency in external power supplies under strict energy regulations. It is suitable for designs utilizing OptiMOS or StrongIRFET MOSFETs to achieve efficiency improvements. Consider the 8-Pin SOIC package for space-constrained PCB layouts.

Power Supply Controllers, Monitors Part Context

This device belongs to the IR116XXS family of synchronous rectification controllers. These components are engineered to drive MOSFETs on the secondary side of isolated converters, replacing diodes to reduce conduction losses and improve overall power conversion efficiency.

Power Supply Controllers, Monitors Replacement Considerations

The IR11662SPBF and IR11682SPBF are alternative members of the same family. Verify VCC minimum voltage differences (11.4 V vs 8.6 V) when substituting.