SI88440BD-AS

Isolators - Gate Drivers Overview

The SI88440BD-AS is a Skyworks Solutions digital isolator featuring four unidirectional channels in a 20-SOIC package. It operates on a 3 V to 5.5 V supply with a maximum current of 13.3 mA. The device provides 5000 Vrms isolation and supports data rates up to 100 Mb/s. Key electrical parameters include an 18 ns propagation delay, 2.5 ns rise/fall times, and 4.5 ns pulse width distortion. It functions within a temperature range of -40°C to +125°C.

Isolators - Gate Drivers Feature Summary

• Four-channel unidirectional digital isolation
• Integrated capacitive coupling technology
• High common-mode transient immunity

Isolators - Gate Drivers Applications

• Industrial automation control systems
• Power supply monitoring circuits
• General-purpose isolated communication interfaces

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix 'AS' against official Skyworks documentation to confirm tube packaging and lead-free status. Ensure the component meets RoHS requirements for your target market. Confirm availability through authorized distributors as stock levels may vary. Validate that the SOIC-20 footprint matches your PCB design constraints before ordering.

Isolators - Gate Drivers Selection Notes

Select this part when high-speed unidirectional isolation is required without integrated power conversion. Compare against the SI88443 series if bidirectional channels or shutdown functionality are needed. Consider the SI88244 series if an integrated DC-DC converter is necessary for secondary side power. Verify channel count and polarity match the system architecture.

Isolators - Gate Drivers Part Context

This component belongs to the Si8844x family of high-speed digital isolators from Skyworks Solutions. These devices utilize proprietary silicon dioxide (SiO2) insulation technology for reliable signal transmission across isolation barriers. The family offers various configurations including integrated power converters and different channel counts.

Isolators - Gate Drivers Replacement Considerations

Check Skyworks datasheets for direct pin-compatible alternatives within the Si8844x series. Verify functional equivalence regarding propagation delay and CMTI ratings. Ensure replacement parts support the same 20-SOIC package and voltage specifications.