TEA1733MT/N2,118

AC DC Converters, Offline Switchers Overview

The TEA1733MT/N2,118 is a GreenChip SMPS control IC designed for low-cost flyback topologies. It operates in fixed frequency mode with integrated frequency jitter to reduce EMI and slope compensation for CCM operation. The device supports an input voltage range of 12 V to 30 V. Key electrical characteristics include a typical supply current of 10 µA during start-up/restart and 0.5 mA during normal no-load operation. It features adjustable overpower time-out, overpower restart timer, and overcurrent protection trip levels.

AC DC Converters, Offline Switchers Feature Summary

• Integrated frequency jitter mechanism to minimize electromagnetic interference emissions
• Built-in slope compensation supporting continuous conduction mode (CCM) operation
• Adjustable overpower time-out and restart timer functions
• Low supply current consumption during both start-up and normal operation

AC DC Converters, Offline Switchers Applications

• Efficient power supply solutions up to 75 W
• Cost-effective flyback converter designs
• Applications requiring reduced EMI without external filters

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix N2,118 against official NXP documentation to confirm tape-and-reel packaging details. Ensure the component matches the TEA1733 series specifications for flyback applications. Cross-reference the manufacturer part number with authorized distributors to validate authenticity and revision level before procurement.

AC DC Converters, Offline Switchers Selection Notes

Select this IC for flyback converters operating between 12 V and 30 V input. It is suitable for designs prioritizing low BOM cost and moderate efficiency requirements up to 75 W. The integrated slope compensation simplifies CCM design, while the low standby current aids in meeting energy efficiency standards.

AC DC Converters, Offline Switchers Part Context

The TEA1733MT belongs to NXP's GreenChip family of SMPS controllers. This series targets AC-DC conversion applications using flyback topology. The MT variant indicates a surface-mount package configuration. It complements other GreenChip devices by offering fixed-frequency operation with jitter capabilities for simplified EMI management in consumer and industrial power supplies.

AC DC Converters, Offline Switchers Replacement Considerations

Consult NXP datasheets for direct pin-compatible alternatives within the TEA173x series. Verify functional equivalence regarding input voltage range and maximum power handling when substituting.