STR-Y6766

AC DC Converters, Offline Switchers Overview

The STR-Y6766A is a power IC for AC/DC switching power supplies, integrating a controller and internal switch. It utilizes flyback topology with current-mode control. Key electrical parameters include an 800V breakdown voltage, VCC range of 9.4V to 35V, and startup voltage of 15.1V. The device operates at a switching frequency between 18.4kHz and 24.4kHz. It supports a rated power of 140W and functions within a temperature range of -20°C to 115°C (Ta).

AC DC Converters, Offline Switchers Feature Summary

• Integrates a high-voltage power MOSFET with a PWM controller in a single package.
• Incorporates comprehensive fault protection mechanisms including overcurrent, overload, overtemperature, and overvoltage safeguards.
• Designed for isolated flyback converter applications.

AC DC Converters, Offline Switchers Applications

• AC/DC power supply systems
• Flyback converter circuits

AC DC Converters, Offline Switchers Procurement Notes

Verify the exact part number suffix, as the provided data references STR-Y6766A. Confirm component status, noting that specific listings indicate discontinued status. Ensure compatibility with TO-220F-7 through-hole mounting requirements. Validate technical specifications against official manufacturer datasheets prior to integration.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring integrated high-voltage switching capabilities in a compact form factor. Consider the specified operating temperature range and thermal management needs for the TO-220F-7 package. Evaluate the fixed switching frequency range against electromagnetic interference requirements.

AC DC Converters, Offline Switchers Part Context

This component belongs to the STR-Y6700 series manufactured by Sanken Electric USA Inc. It is categorized as an AC/DC chip designed for power conversion applications. The device is packaged in a TO-220F-7 housing, suitable for through-hole installation on printed circuit boards.

AC DC Converters, Offline Switchers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult manufacturer resources for potential alternatives or updated series replacements.