MC33363BDWR2

AC DC Converters, Offline Switchers Overview

The MC33363BDWR2G is a monolithic high voltage switching regulator designed for off-line applications. It integrates a 700 V, 1.0 A SENSEFET power switch and a 450 V active startup FET. The device operates from rectified 240 Vac line sources and features a duty cycle controlled oscillator with leading edge blanking. Key electrical parameters include a maximum input voltage of 40 V, minimum input voltage of 20 V, and a maximum switching frequency of 1000 kHz. It provides 1.5 A output current capability in a 16-lead wide SOIC package.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a high-voltage 700 V SENSEFET power switch for direct off-line operation
• Includes an internal 450 V active startup FET to eliminate external start-up components
• Features latching pulse width modulation for double pulse suppression
• Provides comprehensive protection via cycle-by-cycle current limiting and thermal shutdown

AC DC Converters, Offline Switchers Applications

• High voltage off-line switching regulators
• Flyback converter designs
• Power supplies operating from rectified AC line sources

AC DC Converters, Offline Switchers Procurement Notes

Verify the complete part number includes the suffix 'G' for lead-free compliance when ordering. Confirm the package type corresponds to the wide-body SOIC variant. Ensure compatibility with the required thermal management solutions given the integrated power switch capabilities. Check for specific distributor lot codes if traceability is required for your manufacturing process.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring a single-chip solution for high-voltage off-line regulation. It is suitable where space constraints favor an integrated power switch over discrete MOSFETs. Consider the 1000 kHz switching frequency for transformer size optimization. Verify that the 40 V maximum input rating aligns with your specific supply voltage range.

AC DC Converters, Offline Switchers Part Context

This part belongs to the MC33363 family of high-voltage switching regulators manufactured by onsemi. It is functionally similar to the MC33363A but packaged in a surface-mount wide SOIC format. The BDWR2G suffix indicates the specific tape-and-reel packaging and RoHS-compliant construction.

AC DC Converters, Offline Switchers Replacement Considerations

The MC33363ADWR2G is a direct pin-compatible replacement within the same series. Other variants like MC33363DW are available in different packaging options.