FSCQ1265RTYDTU

AC DC Converters, Offline Switchers Overview

The FSCQ1265RTYDTU is a discontinued offline flyback power switch from onsemi, designed for AC/DC conversion. It integrates a high-voltage MOSFET with a controller in a TO-220F-5L package. Key electrical parameters include a 650V breakdown voltage, 12A current capability, and a 20kHz switching frequency. The device supports up to 170W output power with a 95% duty cycle. Operating temperature ranges from -25°C to 85°C. Supply voltage (Vcc) operates between 9V and 20V, with a startup voltage of 15V. It features synchronous control and offers protection against overcurrent, overload, overtemperature, and overvoltage.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a high-voltage power switch with control logic for simplified offline flyback converter designs.
• Includes comprehensive protection mechanisms such as current limiting, overload, overtemperature, and overvoltage safeguards.
• Utilizes synchronous control characteristics to enhance efficiency in AC/DC conversion applications.

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 discontinued by the manufacturer. Verification of end-of-life status is critical before design finalization. Check for official Product Change Notifications regarding obsolescence dates. Ensure alternative sourcing strategies are established due to limited availability. Confirm RoHS3 compliance through official documentation if required for specific regulatory standards.

AC DC Converters, Offline Switchers Selection Notes

Select this part only for legacy designs or maintenance upgrades where the specific pinout and electrical characteristics are already validated. Consider the discontinuation status when planning long-term production runs. Verify that the TO-220F-5L package fits the thermal and mechanical constraints of the target application. Evaluate replacement options if new product development is underway.

AC DC Converters, Offline Switchers Part Context

Part of the FSCQ series from onsemi, focusing on integrated power switches for offline applications. The series targets cost-effective and compact power supply solutions. This specific model represents an older generation of integrated controllers with built-in high-voltage MOSFETs, commonly used in consumer and industrial power adapters prior to more recent advancements.

AC DC Converters, Offline Switchers Replacement Considerations

Official substitutes are not explicitly listed in the provided data. Consult onsemi for recommended cross-references or newer generations within the FSCQ or similar integrated power switch families. Verify pin compatibility and electrical specifications before substituting.

AC DC Converters, Offline Switchers FAQ

What is the maximum operating temperature for the FSCQ1265RTYDTU?

The maximum ambient operating temperature is 85°C.

Does the FSCQ1265RTYDTU have internal protection features?

Yes, it includes protection against current limiting, overload, overtemperature, and overvoltage.