/ Power Devices (IGBT) IGBTIC Hybrid ICs for IGBT Drive EXB850EXB851: 10kHz EXB840EXB841: 40kHz AC2500V 1 AF90-343, 344 Features Various series Medium-speed types (EXB850, EXB851): For up to 10kHz operation High-speed types (EXB840, EXB841): For up to 40kHz operation Built-in photocoupler for high isolation voltage: 2500V AC for one minute Single supply operation Built-in overcurrent protection circuit Overcurrent detection output SIL package for high-density mounting Type Switching speed ton EXB850 toff 2.0s 4.0s EXB851 Medium-speed EXB840 1.5s 1.5s EXB841 High-speed Block diagrams EXB850, EXB851 5 4 6 IGBT IGBT drive 1200V 600V 75A 150A 400A 300A 150A 75A 400A 300A Overcurrent protection circuit 2 AMP 3 15 14 1 Photocoupler 9 Application circuit / Example EXB840, EXB841 Control circuit pc board ERA34-10 6 4 6 Overcurrent protection circuit 47F 2 15 5 10mA RG 3 2 IGBT EXB841 15 1 Drive signal 14 9 5 4 47F Twisted AMP 14 TLP521 or equipment Photocoupler 3 1 IC 20V 0V Isolated power supply 9 Overcurrent detection circuit 21