HCPL-3120-000E
Overview
The HCPL-3120-000E is a 2.5A peak output current gate drive optocoupler designed to drive power IGBTs and MOSFETs in high-voltage switching applications. It provides 3750Vrms galvanic isolation between the low-voltage control circuitry and the high-power stage, ensuring signal integrity and safety in noisy environments.
Why Choose This Part
This driver features high-speed performance with typical rise and fall times of 100ns, alongside Under Voltage Lock Out (UVLO) protection with hysteresis to prevent power-on transients from damaging switches. Its 2.5A peak output current allows it to drive most medium-power IGBTs directly without requiring an additional buffer stage.
Applications
Key Specifications
Getting Started
When designing with the HCPL-3120, place a 0.1uF bypass capacitor as close as possible to the VCC and VEE pins to handle the high-peak switching currents. For evaluation, ensure the input LED current is driven between 7mA and 16mA to guarantee switching performance across the full -40C to 100C temperature range.



