IRAM136-0760A
40
60
80
100
120
140
160
012345
Output Phase Current - A
RM
Max Allowable Case Temperature - ºC
F
PWM
= 12kHz
F
PWM
= 16kHz
F
PWM
= 20kHz
Figure 7. Maximum Allowable Case Temperature vs. Output RMS Current per Phase
Sinusoidal Modulation, V
+
=400V, T
J
=150°C, MI=0.8, PF=0.6, fmod=50Hz
105
90
100
110
120
130
140
150
160
65 70 75 80 85 90 95 100 105 110 115
Internal Therm istor Temperature Equivalent Re ad Out - °C
IGBT Junction Temperature - °C
T
J avg
= 1.2 x T
Therm
+ 21
Figure 8. Estimated Maximum IGBT Junction Temperature vs. Thermistor Temperature
Sinusoidal Modulation, V+=400V, Iphase=5Arms, fsw=16kHz, fmod=50Hz, MI=0.8, PF=0.6
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