IRPT1053A Просмотр технического описания (PDF) - International Rectifier
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IRPT1053A Datasheet PDF : 12 Pages
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IRPT1053A
1.4
100
1.2
1
0.8
Power
150%
0.6
Power
0.4 100%
0.2
1.0hp
(0.75kW)
90
RthSA 100% load continuous
10-60 Hz
80
RthSA 150% load (1 min)
10-60 Hz
70
60
50
40
RthSA 150% load (1 min)
30
down to 3 Hz
20
10
0
0
1
4
8
12
16
20
24
PWM Frequency (kHz) - (Induction Motor Load)
Figure 4a. 1hp/4.4A output Heat sink Thermal Resistance and Power Dissipation vs. PWM Frequency
1.8
80
1.6
1.4
Power
1.2 150%
1
Power
100%
0.8
0.75hp
(0.55kW)
70
60
RthSA 100% load continuous
10-60 Hz
50
40
RthSA 150% load (1 min)
10-60 Hz
30
RthSA 150% load (1 min)
down to 3 Hz
20
10
0.6
0
1
4
8
12
16
20
24
PWM Frequency (kHz) - (Induction Motor Load)
Figure 4b. 0.75hp/3.5A output Heat sink Thermal Resistance and Power Dissipation vs. PWM Frequency
NOTE: For figures 4a and 4b – Operating Conditions: Vin = 230 Vrms, MI = 1.15, P.F. = 0.8, TA = 40°C. ZthSA limits
∆Tc rise during 1 minute overload to 10°C.
page 4
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