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MIG20J501L Datasheet(PDF) 7 Page - Toshiba Semiconductor |
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MIG20J501L Datasheet(HTML) 7 Page - Toshiba Semiconductor |
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MIG20J501L 2001-05-07 7 Switching Time Test Circuit of Low Side NOTE 2 Details in protection function against overcurrent (1) OC (overcurrent) protection Protection function against overcurrent during the normal operation This function is set to only a low-side circuit. Diagnosis is also output. (2) SC (short-circuit) protection Protection function against overcurrent during abnormal operation such as a twisted wiring on a circuit board This function is set to high-and low-side circuits. Diagnosis is also output. (3) RTC (real time control) protection SC protection circuit has mask time period for about 2 ms to protect malfunction against noise. RTC protection is designed to protect IGBT from overcurrent and limit current flow during this mask time period. OC and SC protection functions cut off their operations, but RTC function just control current peak. Diagnosis function is not applied to this protection. Protection Arm Set Up Level Error Signal Low Side 120% that of rating Q OC High Side Non ¾ Low Side 180% that of rating Q SC High Side 220% that of rating Non Low Side 400% that of rating Non RTC High Side 400% that of rating Non Rroc = 1.54 kW 15 V 1 mF 1 mF 1 k W 1 mF 15 V VCE VCC IN (Z) IN (Y) roc GND VCC (L) COM CE (W) C (W) VCC (W) IN (W) IN (V) CE (V) C (V) VCC (V) IN (U) CE (U) C (U) VCC (U) 1 k W 1 mF 15 V PG 1 k W 1 mF 15 V IN (X) Inductance load N V WU P Input Voltage IC |
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