FOD8321R2

Isolators - Gate Drivers Overview

The FOD8321R2 is a logic output optocoupler featuring a high-speed gate driver. It provides 5000 Vrms isolation and operates within a -40°C to +100°C temperature range. The device delivers a peak output current of 3A with continuous currents of 2A. Key electrical parameters include a typical rise/fall time of 60ns, maximum propagation delay of 500ns, and a pulse width distortion of 300ns. It utilizes a 5-SOP surface-mount package.

Isolators - Gate Drivers Feature Summary

• High-speed operation with 60ns rise and fall times for fast switching applications
• Robust insulation capability rated at 5000 Vrms for safe signal transmission
• Integrated push-pull output stage capable of driving medium-power IGBTs and MOSFETs

Isolators - Gate Drivers Applications

• IGBT gate drive circuits in motor control systems
• MOSFET gate drive interfaces in power supplies
• Industrial inverters and converters requiring galvanic isolation

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix R2 indicates tape-and-reel packaging when ordering. Confirm the manufacturer part number matches onsemi specifications exactly. Check datasheet revisions for any updates to mechanical dimensions or electrical limits before finalizing design integration.

Isolators - Gate Drivers Selection Notes

Select this component for applications requiring high-speed isolation between control logic and power stages. Ensure the input forward current does not exceed 25mA. Verify that the load requirements align with the 2A continuous and 3A peak output capabilities provided by the internal driver structure.

Isolators - Gate Drivers Part Context

This device belongs to the FOD832 series of gate drive optocouplers from onsemi. It is designed to replace older discrete driver solutions by integrating the LED and photodetector with an output buffer into a single compact package, simplifying PCB layout and improving reliability.

Isolators - Gate Drivers Replacement Considerations

Direct substitutes may include other 5-pin SOP gate drive optocouplers with similar voltage ratings and current capabilities. Verify pinout compatibility and electrical specifications against the original design requirements before swapping components.