ACPL-P345-000E

Overview

The ACPL-P345-000E is a single-channel logic output optocoupler designed for gate drive applications. It features an AlGaAs LED optically coupled to an integrated circuit with a power output stage. The device provides rail-to-rail output and supports a maximum continuous output current of 1 A. Key electrical parameters include a typical rise time of 8 ns, a typical fall time of 8 ns, and a maximum propagation delay of 120 ns. It operates within a temperature range of -40°C to +105°C and offers an isolation voltage of 3750 Vrms.

Feature Summary

• Integrates an AlGaAs LED with an IC power output stage for efficient optical coupling
• Provides rail-to-rail output suitable for driving power and SiC MOSFETs
• Features high-speed switching characteristics with low propagation delay

Applications

• Driving power MOSFETs in inverter applications
• Gate drive circuits for AC-DC converters
• Gate drive circuits for DC-DC converters
• SiC MOSFET gate driving systems

Procurement Notes

Verify the specific package type (6-SO Stretched) and lead times directly with authorized distributors or the manufacturer. Ensure that the component meets all required safety certifications, such as UL 1577 and IEC/EN/DIN EN 60747-5-5, for the intended application environment. Confirm compatibility with system voltage levels and thermal management requirements before finalizing procurement orders.

Selection Notes

Select this component when high-speed isolation is required for gate driving power semiconductors. The 1 A output current capability makes it suitable for driving larger MOSFETs compared to standard logic optocouplers. Consider the 3750 Vrms isolation rating for high-voltage separation needs. Evaluate the -40°C to +105°C operating range against environmental conditions. Compare rise/fall times with other ACPL series variants if faster switching is critical.

Part Context

This part belongs to the Broadcom ACPL-x345 series of SiC MOSFET Gate Drive Optocouplers. These devices are specifically engineered to handle the demanding requirements of wide-bandgap semiconductor switching. The series utilizes advanced AlGaAs technology to ensure reliable performance in high-noise environments common in power electronics.

Replacement Considerations

Check for direct substitutes within the ACPL-P34x family, such as the ACPL-P346-000E, which shares similar packaging and functional characteristics but may differ in specific timing parameters or certification details. Verify pinout compatibility and electrical specifications before substitution.