Avago Technologies IGBT Gate Drive Optocouplers each contain an AlGaAs LED, which is optically coupled to an integrated circuit with a power output stage. Avago Technologies IGBT Gate Drive Optocouplers are 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 high peak output current supplied by these optocouplers make them ideally suited for direct driving IGBT with ratings up to 1200 V / 200 A (ACPL-P343/W343), 1200 V / 100 A (ACPL-P341/W341), and 1200 V / 50 A (ACPL-P340/W340). For IGBTs with higher ratings, this optocoupler can be used to drive a discrete power stage which drives the IGBT gate. These optocouplers have the highest insulation voltage of VIORM = 891 Vpeak and VIORM = 1140 Vpeak respectively in the IEC/EN/DIN EN 60747-5-2.Avago Technologies IGBT Gate Drive Optocouplers are based on BCDMOS technology, and deliver higher peak output current, better rail-to-rail output voltage performance, and 2 times faster speed than the previous generation products. The rail-to-rail output provides reliable IGBT drive and helps the designer lower the system power which is suitable for bootstrap power supply operation. Short propagation delay for fast switching reduces dead time and, along with high CMR (common mode rejection), will improve overall system efficiency and reliability. The stretched SO6 package is up to 50% smaller than the conventional DIP package and facilitates smaller, more compact design.Learn more
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