TEA1533AT/N1,518

AC DC Converters, Offline Switchers Overview

The TEA1533AT/N1,518 is an offline flyback converter IC from NXP's GreenChip II series. It operates within a switching frequency range of 25 kHz to 175 kHz and supports output power up to 250 W. The device features a 650 V breakdown voltage and requires a supply voltage between 8.7 V and 20 V, with a start-up voltage of 11 V. Packaged in a 14-SOIC (3.90 mm width) surface-mount format, it functions across a junction temperature range of -20°C to 145°C. The component includes integrated protection mechanisms for current limiting, over-power, over-temperature, over-voltage, and short-circuit conditions.

AC DC Converters, Offline Switchers Feature Summary

• Integrates comprehensive fault protection including current limiting, over-power, over-temperature, over-voltage, and short-circuit safeguards.
• Supports quasi-resonant operation to minimize switching losses and enhance efficiency across varying load conditions.
• Features high-voltage startup capability eliminating the need for auxiliary windings during initial power-up phases.

AC DC Converters, Offline Switchers Applications

• Offline AC/DC power supplies
• Flyback topology converters
• General purpose power adapters

AC DC Converters, Offline Switchers Procurement Notes

This component is officially listed as obsolete by the manufacturer. Verify end-of-life status before design finalization. Check distributor archives for remaining stock or authorized last-time buys. Confirm RoHS compliance documentation matches specific revision requirements. Evaluate alternative replacement parts immediately to ensure long-term supply chain stability.

AC DC Converters, Offline Switchers Selection Notes

Select this IC for designs requiring isolated flyback conversion up to 250 W. Ensure input voltage ranges align with the 8.7 V to 20 V Vcc specification. Verify thermal management capabilities support the 145°C TJ limit. Consider the 14-SO package dimensions for PCB layout constraints. Validate that external components match the 25 kHz to 175 kHz switching frequency range.

AC DC Converters, Offline Switchers Part Context

Part of the GreenChip II family, optimized for energy-efficient power conversion. Designed for cost-effective solutions with minimal external components. Integrates control logic and protection circuits into a single package. Targets applications demanding high reliability and compliance with energy regulations.

AC DC Converters, Offline Switchers Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Consult manufacturer resources for direct replacements.