FOD8321V

Isolators - Gate Drivers Overview

The FOD8321V is a MOSFET output optocoupler featuring an Optoplanar structure for high reliability. It provides a peak output current of 3A with continuous drive capabilities of 2.5A, suitable for driving power devices. The device offers 5000Vrms isolation voltage and a common-mode transient immunity of 20kV/µs. Key electrical parameters include a maximum propagation delay of 500ns and typical rise/fall times of 60ns. It operates on a supply voltage range of 16V to 30V and functions within a temperature range of -40°C to 100°C.

Isolators - Gate Drivers Feature Summary

• High-speed gate drive capability with low propagation delay
• Robust insulation using Optoplanar technology
• High common-mode transient immunity for noise rejection

Isolators - Gate Drivers Applications

• MOSFET and IGBT gate driving in industrial inverters
• Power supply control circuits requiring galvanic isolation
• Motor control systems with high noise environments

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix 'V' indicates the tape-and-reel packaging variant distinct from tube-packaged equivalents like FOD8321. Confirm the manufacturer is onsemi. Ensure the datasheet matches the 5-SOP package dimensions. Check for RoHS compliance status if required by your assembly process. Validate that the 5000Vrms isolation rating meets your safety standards.

Isolators - Gate Drivers Selection Notes

Select this component when a dedicated gate driver with integrated isolation is preferred over discrete solutions. The 3A peak current supports medium-power switching applications. Consider the 5-pin SOP package for space-constrained PCB layouts. Evaluate the 20kV/µs CMTI against the noise levels in your specific power stage. Compare against similar models if different packaging or slight parameter variations are acceptable.

Isolators - Gate Drivers Part Context

This part belongs to the FOD832 family of MOSFET output optocouplers designed for gate drive applications. It utilizes onsemi's Optoplanar technology to ensure stable performance and long-term reliability. The series is engineered to replace traditional transformer-coupled drivers in many industrial and consumer power conversion designs.

Isolators - Gate Drivers Replacement Considerations

The FOD8321 (tube package) is functionally equivalent but differs in packaging. Verify pinout compatibility before substitution. Other members of the FOD832x family may offer similar electrical characteristics but require verification of specific isolation voltages and package types.