FOD8314R2

Isolators - Gate Drivers Overview

The FOD8314R2 is a logic output optocoupler featuring a 1.0 A output gate driver capability, designed for driving medium-power IGBTs and MOSFETs. It utilizes an AlGaAs LED coupled to a high-speed integrated circuit with a push-pull MOSFET output stage. Key electrical parameters include a maximum propagation delay of 500 ns, rise time of 60 ns, and fall time of 40 ns. The device offers 5000 Vrms isolation voltage, operates within a supply voltage range of 15 V to 30 V, and supports a continuous output current of 1.5 A. It functions reliably across an extended industrial temperature range from -40°C to +100°C.

Isolators - Gate Drivers Feature Summary

• High common mode rejection ratio of 20 kV/μs minimum ensures reliable operation in noisy environments.
• Integrated under-voltage lockout (UVLO) with hysteresis protects against improper switching conditions.
• P-channel MOSFET output stage enables output voltage swing close to the supply rail for efficient drive.
• Extended creepage and clearance distance of 8 mm provides enhanced high-voltage insulation safety.

Isolators - Gate Drivers Applications

• AC and brushless DC motor drives
• Industrial inverters
• Uninterruptible power supplies
• Induction heating systems

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix 'R2' corresponds to the reel packaging configuration required for automated assembly processes. Confirm that the SO-6 Stretched package dimensions align with the target PCB footprint, particularly noting the 8 mm creepage distance requirements for safety compliance. Ensure the operating environment remains within the specified -40°C to +100°C thermal limits to maintain performance integrity.

Isolators - Gate Drivers Selection Notes

Select this component when driving medium-power IGBT or MOSFET gates requiring high isolation voltage and fast switching speeds. The 1.0 A peak output current is suitable for applications needing rapid charge/discharge of gate capacitances. Consider the 15 V to 30 V supply range compatibility with standard gate driver voltages. The extended industrial temperature range makes it appropriate for harsh environmental conditions compared to commercial grade alternatives.

Isolators - Gate Drivers Part Context

This part belongs to the FOD8314 series of gate driver optocouplers manufactured by onsemi. The series is characterized by optimized IC design for high insulation voltage and noise immunity. The R2 suffix typically denotes tape and reel packaging, distinguishing it from bulk or cut tape variants. It serves as a critical interface component between low-voltage control logic and high-power switching devices in power electronics.

Isolators - Gate Drivers Replacement Considerations

Direct substitutes may include other FOD8314 variants with different packaging options such as FOD8314T for through-hole mounting. Verify pinout compatibility and electrical specifications before substitution. Ensure any replacement maintains the 5000 Vrms isolation rating and 1.0 A output current capability to preserve system performance and safety margins.

Isolators - Gate Drivers FAQ

What is the maximum propagation delay of the FOD8314R2?

The maximum propagation delay is 500 ns.

Does the FOD8314R2 include under-voltage lockout protection?

Yes, it features under-voltage lockout (UVLO) with hysteresis to prevent malfunction during low supply voltage conditions.

What is the minimum common mode transient immunity?

The minimum common mode transient immunity is 20 kV/μs.