FOD3184S

Isolators - Gate Drivers Overview

The FOD3184S is a high-speed MOSFET/IGBT gate drive optocoupler manufactured by onsemi. It features a 3A output current capability and operates with a 5000 Vrms insulation voltage. The device utilizes an AlGaAs LED for input isolation and provides rail-to-rail output. Key electrical parameters include a forward current of 10 mA, forward voltage of 1.43 V, and reverse voltage of 5 V. Power dissipation is rated at 295 mW. The component supports a wide operating temperature range from -40°C to +100°C. It is housed in an 8-SMD package and offers rise and fall times of 38 ns and 24 ns respectively.

Isolators - Gate Drivers Feature Summary

• High-speed operation suitable for high-frequency power switching applications
• Robust 5000 Vrms isolation between input and output circuits
• Capable of delivering 3A peak output current for direct gate driving
• Rail-to-rail output stage ensures efficient MOSFET and IGBT control

Isolators - Gate Drivers Applications

• Motor control inverters
• Plasma Display Panel (PDP) drivers
• High-frequency power supply gate driving

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix 'S' indicates the surface-mount 8-SMD package variant. Confirm RoHS compliance status through official datasheets or manufacturer declarations. Ensure the ordering part number matches the required lead frame finish and tape/reel specifications if applicable. Cross-reference the manufacturer's latest documentation for any pinout revisions or updated thermal characteristics before finalizing procurement.

Isolators - Gate Drivers Selection Notes

Select this component when high-speed isolation and significant gate drive current are required. The 3A output capability distinguishes it from lower-current optocouplers. Consider the 8-SMD form factor for space-constrained PCB layouts. Verify that the 5000 Vrms isolation rating meets the system's safety requirements. Compare propagation delays against other family members if precise timing synchronization is critical.

Isolators - Gate Drivers Part Context

The FOD3184S belongs to the FOD318x series of MOSFET output optocouplers from onsemi. This series is designed specifically for driving power devices in demanding environments. The S suffix denotes the surface-mount version, contrasting with the through-hole DIP-8 variant found in the standard FOD3184 model. All variants share similar electrical performance but differ in physical packaging and mounting style.

Isolators - Gate Drivers Replacement Considerations

The FOD3184 is a functional equivalent with identical electrical specifications but uses a DIP-8 through-hole package instead of the SMD format. Verify package compatibility before substitution. No other direct cross-model replacements are confirmed in the provided data.