TEA1755T/1,518

AC DC Converters, Offline Switchers Overview

The TEA1755T/1,518 is an AC/DC converter controller from NXP Semiconductors. It integrates a DCM/QR flyback controller with a DCM/QR PFC controller. The device supports high-voltage start-up and operates within a supply voltage range of 13.4V to 38V. It utilizes a 16-SOIC package for surface mount installation. The switching frequency ranges from 119kHz to 159kHz or 110kHz to 150kHz depending on the specific variant configuration.

AC DC Converters, Offline Switchers Feature Summary

• Integrates primary-side DCM/QR flyback control with DCM/QR power factor correction in a single IC
• Features high-voltage start-up capability to reduce external component count
• Provides high efficiency across all power levels through quasi-resonant operation modes

AC DC Converters, Offline Switchers Applications

• High-efficiency AC-DC power supplies
• Cost-effective power adapters with low external component counts
• Applications requiring high standby power performance

AC DC Converters, Offline Switchers Procurement Notes

Verify the exact suffix against the manufacturer datasheet to confirm pinout and electrical specifications. Ensure the ordering code matches the required packaging format. Confirm RoHS compliance status with the supplier prior to procurement. Check for any specific environmental certifications required by the target market regulations.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring integrated PFC and flyback control to minimize bill of materials. Consider the operating temperature range and thermal management requirements for the SOIC package. Evaluate the switching frequency options to optimize transformer size and electromagnetic interference characteristics for the specific application constraints.

AC DC Converters, Offline Switchers Part Context

This part belongs to the GreenChip III series of switched mode power supply controllers. It represents a third-generation solution designed for high efficiency and reliability. The series focuses on reducing system complexity while maintaining robust performance standards for offline conversion applications.

AC DC Converters, Offline Switchers Replacement Considerations

Consult official documentation for confirmed substitute part numbers. Verify compatibility regarding pin configurations and electrical parameters before substitution.