KA5L0365RYDTU

AC DC Converters, Offline Switchers Overview

The KA5L0365RYDTU is an offline switching power management IC manufactured by onsemi, designed for AC/DC conversion applications. It integrates a high-voltage power switch with control circuitry to support flyback and forward converter topologies. The device operates at a switching frequency of 50 kHz and features an internal switch rated for 650 V breakdown voltage. It delivers a maximum output current of 3 A and accepts a supply voltage range of 9 V to 30 V. The component utilizes a TO-220F-4L (Formed Leads) package for through-hole mounting.

AC DC Converters, Offline Switchers Feature Summary

• Integrates high-voltage power switch and control logic for offline power supplies
• Supports both flyback and forward converter topologies
• Includes built-in fault protection mechanisms such as overcurrent, overtemperature, and overvoltage protection

AC DC Converters, Offline Switchers Applications

• Offline switching power supplies
• AC/DC converters
• Flyback topology power circuits
• Forward topology power circuits

AC DC Converters, Offline Switchers Procurement Notes

Verify the exact suffix configuration against official datasheets, as variations may exist within the KA5L0365 series. Confirm that the TO-220F-4L package matches your thermal and mechanical requirements. Check for end-of-life status or alternative recommendations from onsemi if long-term availability is critical for production.

AC DC Converters, Offline Switchers Selection Notes

Select this component when designing isolated AC/DC converters requiring integrated high-voltage switching capabilities. Ensure the application supports the specified 50 kHz switching frequency and 650 V drain-source voltage rating. Verify that the 3 A current capability aligns with the load requirements and that the TO-220F package fits the available PCB space and thermal management strategy.

AC DC Converters, Offline Switchers Part Context

This part belongs to the KA5L0365 series of power switches from onsemi. These components are engineered for cost-effective and compact offline power supply designs. The series typically combines the power MOSFET with driver and protection circuits in a single package, simplifying the design process for standard AC/DC adapter and power supply applications.

AC DC Converters, Offline Switchers Replacement Considerations

Consult onsemi documentation for direct replacements or pin-compatible alternatives within the KA5L series. Verify electrical parameters such as voltage ratings, current limits, and switching frequencies before substituting.