SI82398CD-IS3

Isolators - Gate Drivers Overview

The SI82398CD-IS3 is a dual-channel, galvanically isolated gate driver from the Si8239x series by Skyworks Solutions. It features a 3250 Vrms isolation voltage and operates within a temperature range of -40°C to +125°C. The device provides non-inverting logic with a maximum propagation delay of 40 ns, rise/fall times of 12 ns, and a peak output current of 4 A. It utilizes a SOIC-Wide-14 package and supports input voltages between 2.5 V and 5.5 V.

Isolators - Gate Drivers Feature Summary

• High electromagnetic immunity for robust signal integrity in noisy environments
• Automotive-grade qualification ensuring reliability under demanding conditions
• Galvanic isolation protects low-voltage control circuits from high-voltage power stages

Isolators - Gate Drivers Applications

• Automotive motor control systems
• Industrial inverter drives
• High-frequency switching power supplies

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix IS3 indicates tube packaging rather than reel configuration when sourcing. Confirm that the 3250 Vrms isolation rating aligns with system safety requirements. Ensure the SOIC-Wide-14 footprint matches the PCB layout constraints. Cross-reference the AEC-Q100 qualification status if automotive compliance is mandatory for the final assembly.

Isolators - Gate Drivers Selection Notes

Select this component when high dv/dt immunity and precise timing are critical for driving IGBTs or MOSFETs. The dual-channel design simplifies half-bridge configurations. Consider the 12 ns transition speed for applications requiring fast switching without excessive EMI. Verify thermal dissipation capabilities within the 2.1 W limit for the intended operating environment.

Isolators - Gate Drivers Part Context

This part belongs to the Si8239x family of isolated gate drivers designed for industrial and automotive markets. It complements other variants like the SI82398AD-IS3 which may offer different insulation ratings or packaging options. The series emphasizes compact form factors and high reliability for modern power electronics designs.

Isolators - Gate Drivers Replacement Considerations

Direct substitutes include SI82398CD4-IS3 for similar performance with potential pinout variations. Evaluate SI82394CD-IS3 for comparable electrical characteristics. Always verify package compatibility and isolation voltage ratings before swapping components.