The TOSHIBA TLP559(IGM) consists of a GaAlAs high-output light emitting diode and a high speed detector of one chip photo diodetransistor. This unit is 8-lead DIP package. TLP559(IGM) has no internal base connection,and a Faraday shield integrated on the photodetector chip provides an effective common mode noise transient immunity. TLP559(IGM) guarantees minimum and maximum of propagation delay time,switching time dispersion,and high common mode transient immunity.There for TLP559(IGM) is suitable for isolation interface between IPM(Intelligent Power Module) and control IC circuits in motor control application. l Isolation Voltage