TEA1733CT/N1,118

AC DC Converters, Offline Switchers Overview

The TEA1733CT/N1,118 is an AC-DC controller IC designed for flyback topology applications. It operates at a fixed switching frequency of 66.5 kHz with a maximum duty cycle of 72%. The device supports a wide input voltage range from 12 V to 30 V and features a low supply current of 10 μA during startup. It integrates slope compensation for continuous conduction mode (CCM) operation and includes over-power protection (OPP). The component is housed in an 8-SOIC package and functions within a temperature range of -40 °C to +150 °C.

AC DC Converters, Offline Switchers Feature Summary

• Integrates frequency dithering technology to optimize electromagnetic interference (EMI) performance.
• Provides adjustable over-power timeout capabilities for enhanced system protection.
• Features low power consumption modes, including reduced switching frequency at light loads to improve efficiency.

AC DC Converters, Offline Switchers Applications

• Offline switch-mode power supplies
• Flyback converter designs
• AC-DC conversion systems

AC DC Converters, Offline Switchers Procurement Notes

Verify the obsolete status of this specific part number before procurement planning. Confirm that alternative revisions or compatible components are available if production continuity is required. Ensure all technical specifications align with current design requirements prior to finalizing any acquisition strategy.

AC DC Converters, Offline Switchers Selection Notes

Select this component for cost-sensitive applications requiring reliable flyback control. Consider its integrated EMI optimization and OPP features when designing for regulatory compliance. Evaluate the fixed frequency operation against variable frequency alternatives based on specific filter size constraints.

AC DC Converters, Offline Switchers Part Context

This component belongs to the TEA173x GreenChip SMPS IC series by NXP Semiconductors. These devices are engineered to provide high-efficiency and reliable power solutions for offline applications. The series emphasizes minimal external component counts while maintaining robust protection mechanisms.

AC DC Converters, Offline Switchers Replacement Considerations

Public documentation indicates the TEA1733CT/N1,118 is no longer manufactured. Verify compatibility with successor models within the TEA173x family or consult official substitution guides for direct replacements.