HCPL-3120#500

Isolators - Gate Drivers Overview

The HCPL-3120#500 is a logic output optocoupler designed for gate driving applications. It features a push-pull output stage capable of delivering up to 2.0A peak current, suitable for directly driving IGBTs and MOSFETs. The device operates within a wide supply voltage range of 15V to 30V and offers a maximum switching speed of 500ns. It provides high common-mode rejection of 15kV/µs at VCM = 1,500V and includes under-voltage lockout (UVLO) with hysteresis. The component is available in an 8-pin DIP package.

Isolators - Gate Drivers Feature Summary

• Push-pull output stage for direct IGBT and MOSFET gate drive
• High common-mode rejection capability for noisy environments
• Integrated under-voltage lockout protection with hysteresis
• Wide operating supply voltage range

Isolators - Gate Drivers Applications

• IGBT and MOSFET gate driving in industrial inverters
• Motor control and variable frequency drive systems
• Switched-mode power supplies (SMPS)

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix #500 corresponds to the gull-wing surface mount or specific packaging variant required, as datasheets may list PDIP or tape-and-reel options. Confirm UL recognition ratings and safety certifications match the application's regulatory requirements. Ensure the ordering part number aligns with the desired lead time and availability from authorized Broadcom distributors.

Isolators - Gate Drivers Selection Notes

Select this component when a robust gate driver with high immunity to common-mode noise is required. The 2.0A output current supports direct driving of medium-power IGBTs without external discrete components. Consider the 15V-30V supply range compatibility with standard gate drive circuits. Verify thermal performance and insulation voltage ratings against the specific system isolation requirements.

Isolators - Gate Drivers Part Context

The HCPL-3120 belongs to Broadcom’s HCPL series of gate driver optocouplers. These devices utilize GaAsP LEDs coupled to integrated circuits with power output stages. The series is widely used in industrial automation and power electronics for providing galvanic isolation between control logic and high-power switching devices.

Isolators - Gate Drivers Replacement Considerations

Public confirmed substitute part numbers are not provided in the source material.