FOD3181SD

Isolators - Gate Drivers Overview

The onsemi FOD3181SD is a high-speed, single-channel optocoupler designed for gate driver applications. It features an integrated MOSFET output stage capable of delivering a peak output current of 1.5 A. The device provides electrical isolation with a rated insulation voltage of 5000 Vrms. Key timing parameters include a typical rise time of 24 ns and a fall time of 16 ns. It operates within a temperature range of -40°C to +100°C and is housed in an 8-pin SMD package.

Isolators - Gate Drivers Feature Summary

• Integrated high-current MOSFET output stage for direct gate drive capability
• High-speed optical isolation for signal transmission between circuits
• Robust insulation rating suitable for demanding industrial environments

Isolators - Gate Drivers Applications

• MOSFET gate driving in power conversion systems
• Industrial motor control interfaces
• Inverter bridge driver circuits

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix 'SD' against the manufacturer's official datasheet to confirm the exact package variant and tape-and-reel specifications. Ensure the component meets required isolation voltage standards for the target application safety regulations before finalizing procurement orders.

Isolators - Gate Drivers Selection Notes

Select this component when a high-output current gate driver is needed within an isolated interface. Compare its 1.5 A output capability against lower-current alternatives if driving larger power devices. Consider the propagation delay characteristics relative to the switching frequency requirements of the power stage.

Isolators - Gate Drivers Part Context

This part belongs to the FOD318x series of high-speed optocouplers from onsemi. These devices are engineered to replace traditional transformer-based drivers in isolated power supplies and motor drives, offering compact sizing and simplified circuit design through integrated output stages.

Isolators - Gate Drivers Replacement Considerations

Cross-reference with FOD3180SD or FOD3182SD for alternative drive configurations. Verify pin compatibility and output current ratings before substituting, as these variants may differ in push-pull versus open-drain architectures.