FOD8333R2

Isolators - Gate Drivers Overview

The FOD8333R2 is a single-channel MOSFET output optocoupler from onsemi, housed in a 16-pin SOIC package. It features rail-to-rail output capability and supports an isolation voltage of 4243 Vrms. The device operates with a forward current of 16 mA and a forward voltage of 1.45 V, while maintaining a reverse voltage rating of 5 V. Power dissipation is rated at 600 mW, with a maximum operating temperature of +100°C and a minimum of -40°C. Signal transition times are specified at 50 ns for both rise and fall periods.

Isolators - Gate Drivers Feature Summary

• Integrated desaturation detection for IGBT protection
• Isolated fault sensing capability
• Rail-to-rail MOSFET output stage

Isolators - Gate Drivers Applications

• IGBT gate drive circuits
• Industrial motor control systems
• Power supply isolation interfaces

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix R2 to confirm tape-and-reel packaging configuration. Ensure compatibility with 16-pin SOIC footprints during PCB layout. Cross-reference datasheet revisions for any updates to thermal or electrical specifications before finalizing procurement orders.

Isolators - Gate Drivers Selection Notes

Select this component when desaturation detection and isolated fault signaling are required alongside standard optical isolation. The rail-to-rail output simplifies interface design compared to logic-only outputs. Verify that the 4243 Vrms isolation rating meets system safety requirements.

Isolators - Gate Drivers Part Context

This part belongs to the FOD8333 series of specialized optocouplers designed for high-power switching applications. Unlike standard logic output devices, this series integrates additional diagnostic features for power transistor monitoring. The manufacturer provides dedicated evaluation resources for these specific functional capabilities.

Isolators - Gate Drivers Replacement Considerations

Check for direct substitutes within the same family offering identical desaturation functionality. Verify pinout compatibility if considering alternative manufacturers' equivalents with similar isolation ratings.

Isolators - Gate Drivers FAQ

What is the primary function of the integrated desaturation detection?

It monitors the saturation state of connected IGBTs to detect faults such as short circuits or open loads.

Does the FOD8333R2 provide isolated fault information?

Yes, it includes an isolated fault sensing output to signal detected anomalies to the control side.