FDA215STR

Isolators - Gate Drivers Overview

The Littelfuse FDA215STR is an optically isolated photovoltaic MOSFET driver featuring a dual photodiode array input and SMD8 surface-mount package. It provides 3750Vrms isolation voltage between input and output channels. The device operates with a control current of 5 mA and supports an operating temperature range from -40°C to +85°C. It generates a floating power source sufficient to drive high-power MOSFET transistors without external gate drive supplies.

Isolators - Gate Drivers Feature Summary

• Optically isolated input-to-output architecture for galvanic separation
• Dual photovoltaic diode array generates floating power for gate driving
• Configurable for both AC and DC switching applications
• Eliminates EMI and RFI generation associated with traditional transformers

Isolators - Gate Drivers Applications

• High-voltage industrial motor drives
• Inverter circuits in renewable energy systems
• Isolated gate driving for power MOSFETs
• AC and DC switching control interfaces

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix STR indicates the tape-and-reel packaging variant when sourcing. Confirm the manufacturer is Littelfuse, formerly Clare, as this component originates from their acquisition. Ensure the order quantity matches the reel specifications if automated assembly is required. Cross-reference the datasheet revision date to ensure compatibility with current design standards.

Isolators - Gate Drivers Selection Notes

Select this component when high isolation voltage is required without magnetic coupling losses. The photovoltaic drive mechanism simplifies circuit design by removing the need for isolated auxiliary power supplies. Consider the SMD8 package constraints for PCB layout. Verify that the 5 mA control current aligns with the driving logic levels of the microcontroller or interface circuit.

Isolators - Gate Drivers Part Context

This part belongs to the FDA215 series of optically isolated photovoltaic drivers. It is designed to replace bulky and expensive transformer-based gate drivers in high-voltage applications. The series emphasizes compactness and reliability in power electronics where electrical isolation is critical for safety and noise immunity.

Isolators - Gate Drivers Replacement Considerations

Check for FDA215 variants with different suffixes for alternative packaging options such as through-hole or bulk quantities. Ensure any substitute maintains the 3750Vrms isolation rating and compatible pinout configuration.