MC33363ADWR2G

AC DC Converters, Offline Switchers Overview

The MC33363ADWR2G is a monolithic high-voltage switching regulator designed for off-line applications. It integrates a 700 V, 1.5 A SENSEFET power switch and a 500 V active startup FET. The device supports rectified 240 Vac line sources with a switching frequency range of 67.5 kHz to 285 kHz. It operates within a junction temperature range of -25°C to 150°C. The IC utilizes a 16-lead SOIC package (0.295 inch width) and includes features such as cycle-by-cycle current limiting, input undervoltage lockout, output overvoltage protection, and internal thermal shutdown.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a 700 V, 1.5 A SENSEFET power switch for enhanced power capability
• Includes a 500 V active off-line startup FET for direct line source operation
• Features latching pulse width modulation to suppress double pulses
• Provides comprehensive protection via cycle-by-cycle current limiting and thermal shutdown

AC DC Converters, Offline Switchers Applications

• Off-line converters operating from rectified 240 Vac line sources
• Flyback topology power supplies
• Forward topology power supplies

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'ADR' or 'ADWR' against the manufacturer's official datasheet to confirm pinout and package dimensions. Confirm RoHS compliance status through onsemi's material declaration documents. Ensure the 16-lead SOIC package matches the target PCB footprint. Check for any Product Change Notifications regarding manufacturing site updates.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring high-voltage integration in off-line power conversion. The built-in 700 V switch eliminates external discrete components. Verify that the required switching frequency falls within the 67.5 kHz to 285 kHz operational range. Ensure the application environment stays within the specified -25°C to 150°C junction temperature limits.

AC DC Converters, Offline Switchers Part Context

This part belongs to the MC33363 family of high-voltage switching regulators. It serves as an evolution of earlier models like the MC33363, offering improved power handling through the integrated SENSEFET technology. The device is categorized under AC DC converters and offline switching regulators within onsemi's power management portfolio.

AC DC Converters, Offline Switchers Replacement Considerations

MC33363BDWR2G: Offers similar functionality but with different voltage ratings or specifications; verify compatibility.