A3120 IGBT Gate Drive Optocoupler

The HCPL-3120 consists of a GaAsP LED optically coupled to an integrated circuit with a power output stage.

This opto-coupler is ideally suited for driving power IGBTs and MOSFETs used in motor control inverter applications. The high operating voltage range of the output stage provides the drive voltages required by gate controlled devices. The voltage and current supplied by A3120 IGBT optocoupler makes it ideally suited for directly driving IGBTs with ratings up to 1200 V/100 A. For IGBTs with higher ratings, the HCPL-3120 can be used to drive a discrete power stage which drives the IGBT gate.

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Features of A3120  IGBT Gate Drive Optocoupler

• 2.0 A Minimum Peak Output Current

• 15 kV/µs Minimum Common Mode Rejection (CMR) at VCM = 1500 V

• 0.5 V Maximum Low Level Output Voltage (VOL) Eliminates Need for Negative Gate Drive

• ICC = 5 mA Maximum Supply Current

• Under Voltage Lock-Out Protection (UVLO) with Hysteresis

• Wide Operating VCC Range : 15 to 30 Volts

• 500 ns Maximum Switching Speeds

• Industrial Temperature Range : -40°C to 100°C

Applications of A3120 IGBT Gate Drive Optocoupler

• Isolated IGBT/MOSFET Gate Drive

• AC and Brushless DC Motor Drives

• Industrial Inverters

• Switch Mode Power Supplies (SMPS)