TEA1733T/N1,118

AC DC Converters, Offline Switchers Overview

The TEA1733T/N1,118 is a GreenChip SMPS controller IC designed for flyback topologies. It operates within a switching frequency range of 26.5 kHz to 78 kHz and supports a maximum duty cycle of 80%. The device accommodates an output voltage of 10.5 V and delivers up to 75 W of output power. It functions reliably across a temperature range from -40°C to +150°C. Packaged in an SO-8 surface-mount format, it integrates essential protection mechanisms including overvoltage, overcurrent, and thermal safeguards.

AC DC Converters, Offline Switchers Feature Summary

• Integrates quasi-resonant operation with valley skipping for enhanced efficiency at high power levels.
• Features frequency reduction mode at low power to minimize audible noise and maintain standby performance.
• Includes comprehensive protection circuits such as overvoltage, overcurrent, and thermal shutdown.

AC DC Converters, Offline Switchers Applications

• LED lighting power supplies
• Consumer electronics adapters
• General-purpose AC-DC converters

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix N1,118 against official NXP documentation to confirm package type and reel specifications. Ensure compatibility with your PCB footprint and reflow profile requirements. Cross-reference the datasheet revision date to validate parameter accuracy before finalizing procurement orders.

AC DC Converters, Offline Switchers Selection Notes

Select this component for applications requiring integrated PFC and flyback control in a single package. Consider its extended operating temperature range for industrial environments. Evaluate the need for external components versus internal integration capabilities when designing cost-effective power solutions.

AC DC Converters, Offline Switchers Part Context

This part belongs to the TEA173X series of GreenChip controllers by NXP Semiconductors. These ICs are engineered for high-efficiency power conversion, combining advanced control algorithms with robust protection features. The series targets modern power supply designs demanding compact form factors and strict regulatory compliance.

AC DC Converters, Offline Switchers Replacement Considerations

Consult official substitution lists for direct replacements. Verify pinout compatibility and electrical parameters before integrating alternative components into existing designs.