IRPT1059A Просмотр технического описания (PDF) - International Rectifier

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IRPT1059A

Integrated Power Stage for 1 hp Motor Drives

International Rectifier 

IRPT1059

RthSA 100% load continuous

10-60 Hz

Power

150%

Power

100%

1.0 hp

(0.75 kW)

RthSA 150% load

(1 min.)10-60 Hz

RthSA 150% load (1 min.)

down to 3 Hz

PWM Frequency (kHz) – (Induction Motor Load)

Figure 5a. 1hp/4.4A Output Heat sink Thermal Resistance and Power Dissipation vs. PWM Frequency

Power

150%

RthSA 100% load continuous

10-60 Hz

RthSA 150% load

(1 min.)10-60 Hz

Power

100%

RthSA 150% load (1 min.)

down to 3 Hz

0.75 hp

(0.55 kW)

PWM Frequency (kHz) – (Induction Motor Load)

Figure 5b. 0.75hp/3.5A Output Heat Sink Thermal Resistance and Power Dissipation vs. PWM Frequency

NOTE: For figures 5a and 5b – Operating Conditions: Vin = 230V rms, MI = 1.15, P.F. = 0.8, TA = 40°C. ZthSA limits ∆Tc rise during 1 minute overload to 10°C.

page 6

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