IRPT3054A
0.8
350
5 hp
0.7
(3.7kW)
RthSA 100% load
(continuous)
10-60 Hz
0.6
300
250
0.5
0.4
Power
150%
0.3
Power
100%
0.2
0.1
0
1
RthSA 150% load
(1 min.)
down to 3 Hz
RthSA 150% load
(1 min.)10-60 Hz
4
8
12
16
20
PWM Frequency (kHz) – (Induction Motor Load)
200
150
100
50
0
24
Figure 3. 5 hp/8.4A Output Heat Sink Thermal Resistance and Power Dissipation vs. PWM Frequency
NOTE: For figure 3: Operating Conditions: Vin = 460 Vrms, MI = 1.15, P.F. = 0.8, TA = 40°C, Ti < 145°C, Ts < 95°C,
ZthSA limits ∆Tc rise during 1 minute overload to 10°C
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