IRPT1057A 데이터 시트보기 (PDF) - International Rectifier
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IRPT1057A Datasheet PDF : 11 Pages
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IRPT1057A
2.5
2
1.5
Power
150%
1
Power
100%
0.5
RthSA 100% Load
(continuous) 10-60 Hz
60
0.75 hp
50
(0.56 kW)
40
30
RthSA 150% load
(1 min.) 10-60 Hz
20
RthSA 150% Load
(1 min.) Down to 3 Hz
10
0
0
1
4
8
12
16
20
24
PWM Frequency (kHz) – (Induction Motor Load)
Figure 4a. 0.75 hp/3.3A Output Heat Sink Thermal Resistance and Power Dissipation vs. PWM Frequency
3.5
45
RthSA 100% Load
(continuous) 10-60 Hz
3
40
0.5 hp
(0.37 kW) 35
2.5
30
2
Power
150%
1.5
1
0.5
Power
100%
25
RthSA 150% load
20
(1 min.) 10-60 Hz
RthSA 150% load
15
(1 min.) down to 3 Hz
10
5
0
0
1
4
8
12
16
20
24
PWM Frequency (kHz) – (Induction Motor Load)
Figure 4b. 0.5hp/2.2A output Heat Sink Thermal Resistance and Power Dissipation vs. PWM Frequency
NOTE: For Figures 4a and 4b: Operating Conditions: Vin = 230Vrms, MI = 1.15, PF = 0.8, TA = 40°C, ZthSA limits ∆Tc rise
during 1 minute overload to 10°C
page 4
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