FDA117G

Isolators - Gate Drivers Overview

The FDA117G is a photovoltaic MOSFET driver from Littelfuse, featuring an optically isolated input coupled to a photodiode array. It operates within a -40°C to +85°C temperature range and utilizes a DIP-4 through-hole package. Key electrical parameters include a 5000 Vrms insulation voltage, 1A peak output current, and 13.3V output drive capability. The device exhibits a maximum turn-on delay of 0.075 ms and a maximum turn-off delay of 0.201 ms. It dissipates 550 mW total power with a typical forward voltage of 1.4 V at a maximum DC forward current of 5 mA.

Isolators - Gate Drivers Feature Summary

• Photovoltaic gate drive architecture using an internal photodiode array for high-voltage isolation
• Optical coupling eliminates the need for external bias supplies on the output side
• Capable of driving MOSFETs in both AC and DC switching configurations

Isolators - Gate Drivers Applications

• MOSFET gate driving in high-voltage circuits
• Programmable control systems requiring galvanic isolation
• Power conversion stages needing EMI/RFI reduction

Isolators - Gate Drivers Procurement Notes

Verify component authenticity due to End-of-Life status. Confirm lot dates against discontinuation notices. Check RoHS compliance documentation. Validate DIP-4 package integrity. Ensure storage conditions meet humidity sensitivity requirements prior to assembly.

Isolators - Gate Drivers Selection Notes

Select this component for applications requiring simple optical isolation without complex driver ICs. Suitable for low-frequency switching where propagation delays are acceptable. Consider thermal dissipation limits of 550 mW. Verify input current requirements fit within available control logic outputs.

Isolators - Gate Drivers Part Context

Part of the FDA117 series of photovoltaic MOSFET drivers. Manufactured by Littelfuse Inc., specializing in power management and protection semiconductors. Designed for industrial and automotive power electronics applications requiring reliable galvanic separation between control and power stages.

Isolators - Gate Drivers Replacement Considerations

No direct public substitute part numbers are confirmed for this discontinued component. Evaluate generic photovoltaic gate drivers with similar isolation voltage and output current capabilities if redesigning.