ACPL-W349-500E

Overview

The ACPL-W349-500E is a single-channel logic output optocoupler designed for gate drive applications. It features a peak output current of 2.5 A and supports an output supply voltage range of 15 V to 30 V. The device provides 5000 Vrms isolation voltage and operates within a temperature range of -40°C to 105°C. Key electrical parameters include a typical rise/fall time of 8 ns, maximum propagation delay of 110 ns, and a maximum pulse width distortion of 40 ns. It utilizes a 6-SOIC stretched package.

Feature Summary

• Integrated power output stage with AlGaAs LED for high-speed signal transmission
• High common-mode transient immunity of 100 kV/µs for noise rejection
• Optimized for driving SiC/GaN MOSFETs and IGBTs in demanding environments

Applications

• Gate drive circuits for Silicon Carbide (SiC) MOSFETs
• Gate drive circuits for Gallium Nitride (GaN) transistors
• Insulated gate driver modules for industrial inverters

Procurement Notes

Verify the specific ordering suffix matches the required isolation rating and package variant. Confirm that the component status remains active as manufacturing updates may occur. Ensure compatibility with existing PCB footprints for the 6-SO stretched package. Cross-reference certification requirements such as UL 1577 or CSA against system safety standards before finalizing procurement orders.

Selection Notes

Select this component when high-speed switching and robust isolation are required for wide-bandgap semiconductors. The 2.5 A peak current capability supports direct driving of small-to-medium power devices. Consider the 100 kV/µs CMTI specification for applications with rapid voltage transitions. Evaluate thermal management needs given the 105°C maximum operating temperature limit.

Part Context

This part belongs to the ACPL-W349 series, which includes variants like the ACPL-P349. The series is engineered for isolated gate driving in power electronics. The W349 designation typically indicates specific insulation and packaging characteristics distinct from other family members. It serves as a critical interface between low-voltage control logic and high-voltage power stages.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify pinout compatibility and electrical parameter margins if considering alternative gate driver optocouplers from different manufacturers.