TEA1791AT/N1,118

Power Supply Controllers, Monitors Overview

The TEA1791AT/N1,118 is a secondary-side synchronous rectification controller from NXP Semiconductors. It operates within a supply voltage range of 8.5V to 38V and draws a supply current of 950 µA. The device supports high-side and low-side control configurations for power converters. It functions reliably across an extended temperature range from -40°C to +150°C. The component is housed in an 8-SOIC package with a width of 3.90mm.

Power Supply Controllers, Monitors Feature Summary

• Supports both high-side and low-side synchronous rectifier control
• Integrated secondary-side controller for isolated power supplies
• Compatible with GreenChip synchronous rectification families

Power Supply Controllers, Monitors Applications

• Secondary-side control in flyback converters
• Synchronous rectification in LLC resonant converters
• High-efficiency AC-DC power adapter designs

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix 'N1,118' against official NXP documentation to confirm tape-and-reel packaging specifications and RoHS compliance status. Ensure the ordering part number matches the exact datasheet revision required for the design. Cross-reference the manufacturer code with authorized distributors to prevent counterfeit components. Confirm that the SOIC-8 footprint aligns with the PCB layout requirements before finalizing procurement orders.

Power Supply Controllers, Monitors Selection Notes

Select this component when designing isolated power supplies requiring precise secondary-side gate driving. It is suitable for applications demanding high efficiency through active rectification. Consider the 8.5V to 38V operating range to ensure compatibility with the transformer's auxiliary winding or bias supply. Evaluate thermal performance given the 150°C maximum junction temperature capability for robust industrial operation.

Power Supply Controllers, Monitors Part Context

This IC belongs to the TEA179x series of synchronous rectification controllers designed by NXP. These devices are engineered to replace traditional diode bridges, significantly reducing conduction losses in low-voltage, high-current outputs. The series supports various topologies including flyback and LLC resonant converters, offering a scalable solution for modern efficient power management systems.

Power Supply Controllers, Monitors Replacement Considerations

TEA1791T/N1,118