FOD3181S

Isolators - Gate Drivers Overview

The FOD3181S is a high-speed optocoupler featuring a single channel with an integrated MOSFET output gate driver. It provides 5000 Vrms isolation voltage and operates within a temperature range of -40°C to 100°C. The device utilizes surface mount packaging, specifically an 8-SMD configuration. Key electrical characteristics include a typical rise time of 38ns and a fall time of 24ns. Maximum input current is rated at 25 mA, with a maximum forward voltage of 1.8V. Power dissipation is specified at 300 mW.

Isolators - Gate Drivers Feature Summary

• High-speed operation suitable for demanding switching applications
• Integrated MOSFET output stage for direct gate driving
• Robust 5000 Vrms insulation capability between input and output

Isolators - Gate Drivers Applications

• MOSFET gate drive circuits
• Industrial motor control systems
• Power supply feedback loops

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix 'S' confirms the surface-mount package variant. Confirm the manufacturer is onsemi. Check datasheet revisions for updated thermal or electrical limits. Ensure the component matches the required isolation voltage rating for the target circuit design.

Isolators - Gate Drivers Selection Notes

Select this component when high-speed signal transmission and direct MOSFET driving are required in a compact form factor. Compare propagation delays against system timing requirements. Verify that the 5000 Vrms isolation meets safety standards for the application environment.

Isolators - Gate Drivers Part Context

This part belongs to the FOD series of optocouplers from onsemi. It is distinct from through-hole variants like the FOD817C300W by its surface-mount construction and higher speed capabilities. The series focuses on providing reliable galvanic isolation for power electronics and industrial interfaces.

Isolators - Gate Drivers Replacement Considerations

Check for compatible alternatives such as the FOD3182S, which shares similar specifications but may differ in pinout or specific electrical tolerances. Verify functional equivalence before substitution.