HCNW3120-300E

Isolators - Gate Drivers Overview

The Broadcom HCNW3120-300E is a single-channel gate driver optocoupler featuring an AlGaAs LED and an open-collector output. It provides 5000 Vrms isolation voltage and operates within a temperature range of -40°C to 100°C. The device supports a maximum forward current of 16 mA with a typical forward voltage of 1.95 V. Key timing parameters include typical rise and fall times of 100 ns, peak output currents of 2.5 A, and minimum common mode transient immunity of 25 kV/µs. It is housed in an 8-pin surface-mount DIP package.

Isolators - Gate Drivers Feature Summary

• Integrates an AlGaAs infrared LED with an open-collector phototransistor output for high-speed signal transmission.
• Provides robust electrical isolation rated at 5000 Vrms between input and output circuits.
• Features high common mode transient immunity to withstand rapid voltage changes in noisy environments.
• Designed specifically for driving IGBTs and MOSFETs in power conversion applications.

Isolators - Gate Drivers Applications

• Insulated Gate Bipolar Transistor (IGBT) gate drive circuits
• Metal-Oxide-Semiconductor Field-Effect Transistor (MOSFET) switching drivers
• Power supply isolated feedback loops
• Solid-state relay control interfaces

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix against official datasheets to confirm package type and compliance status. Ensure the procurement channel provides valid RoHS documentation if required by design specifications. Confirm that the supplier offers genuine components from authorized distribution networks to avoid counterfeit risks associated with legacy or discontinued part numbers.

Isolators - Gate Drivers Selection Notes

Select this component when high-speed switching with strong noise immunity is required for power electronics. The 2.5 A peak output current capability ensures reliable driving of medium-power gates. Consider the surface-mount DIP package for PCB layout constraints. Verify that the 5000 Vrms isolation rating meets the safety standards of the target application environment.

Isolators - Gate Drivers Part Context

This device belongs to the HCPL-3120 family, distinguished by its use of an AlGaAs LED instead of GaAsP. It serves as a specialized gate driver optocoupler designed for industrial and consumer power supplies. The series emphasizes reliability and speed for isolating control signals from high-voltage power stages.

Isolators - Gate Drivers Replacement Considerations

HCNW3120-000E is a documented similar alternative within the same manufacturer portfolio.