TEA1533T/N1,518

AC DC Converters, Offline Switchers Overview

The TEA1533T/N1,518 is an offline flyback converter IC from NXP's GreenChip II series. It operates within a switching frequency range of 25kHz to 175kHz and supports output power up to 250W. The device features a 14-SOIC package with no internal switch. Key electrical parameters include a breakdown voltage of 650V, a startup voltage of 11V, and a supply voltage range of 8.7V to 20V. It is designed for isolated applications and includes comprehensive fault protection mechanisms.

AC DC Converters, Offline Switchers Feature Summary

• Integrates advanced GreenChip II technology for high efficiency across various load conditions
• Provides robust fault protection including current limiting, over-power, over-temperature, over-voltage, and short-circuit safeguards
• Supports quasi-resonant operation to minimize audible noise and improve performance at low power levels

AC DC Converters, Offline Switchers Applications

• Offline AC/DC power supplies
• Flyback converter designs
• General-purpose switched-mode power supplies

AC DC Converters, Offline Switchers Procurement Notes

Verify component authenticity through authorized channels as the part status is listed as obsolete. Confirm that the specific suffix matches the required packaging and environmental compliance standards. Check for available replacement options due to end-of-life status. Ensure design-in compatibility with existing system requirements before finalizing procurement decisions.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring a standalone flyback controller with integrated green functions. Consider the 14-SO package constraints and the absence of an internal switch when sizing external components. Evaluate the thermal performance within the specified junction temperature range. Ensure the application benefits from the wide switching frequency flexibility for transformer optimization.

AC DC Converters, Offline Switchers Part Context

This IC belongs to the TEA1533 family, part of NXP's GreenChip II line focused on energy-efficient power conversion. It serves as a dedicated controller for offline applications, distinguishing itself from integrated switch models by requiring an external MOSFET. The series emphasizes cost-effective designs with minimal external component counts while maintaining high reliability.

AC DC Converters, Offline Switchers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.