TEA1751LT/N1,518

AC DC Converters, Offline Switchers Overview

The TEA1751LT/N1,518 is an AC/DC converter IC from the TEA175x series by NXP Semiconductors. It integrates a DCM/QR PFC controller and a flyback controller for high-efficiency power supplies. The device operates in SOIC-16 surface-mount packaging with a maximum input voltage of 38V. It supports a switching frequency of 125 kHz and delivers up to 250 W output power. The controller features low supply current and advanced green functions for efficiency across load ranges.

AC DC Converters, Offline Switchers Feature Summary

• Integrates DCM/QR PFC and flyback controllers for simplified design
• Provides high efficiency at all power levels through green functions
• Supports quasi-resonant operation and valley skipping modes

AC DC Converters, Offline Switchers Applications

• High-efficiency AC/DC power supplies
• Cost-effective power supply designs with minimal external components
• Applications requiring low standby power consumption

AC DC Converters, Offline Switchers Procurement Notes

Verify the exact part number suffix against official NXP documentation to ensure correct package and tape/reel specifications. Confirm that the integrated PFC and flyback functionality aligns with your specific topology requirements. Check for moisture sensitivity handling instructions during storage and assembly processes.

AC DC Converters, Offline Switchers Selection Notes

Select this component when designing AC/DC converters requiring integrated PFC and flyback control in a single IC. It is suitable for applications needing high efficiency across varying load conditions. Ensure the 38V input limit and 250W power capability meet system specifications before finalizing the design.

AC DC Converters, Offline Switchers Part Context

This part belongs to the TEA175x series of GreenChip III SMPS control ICs. These devices are designed for cost-effective, high-performance power supplies. The integration of PFC and flyback controllers reduces component count and simplifies PCB layout compared to discrete solutions.

AC DC Converters, Offline Switchers Replacement Considerations

Consult official NXP substitution guides for verified alternatives. Generic cross-references may not match the integrated PFC and flyback functionality or specific green mode behaviors.