IR2175S 데이터 시트보기 (PDF) - International Rectifier
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IR2175S Datasheet PDF : 6 Pages
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IR2175(S)
Timing Waveforms
PO
Duty=91%
Duty=9%
Vin+= -260mV
Vs = 0V
PO
Vin+= +260mV
Vs = 0V
Carrier Frequency =
130kHz
Figure 1 Output waveform
Application Hint:
Temperature drift of the output carrier frequency can be cancelled by measuring both a PWM period and the on-time
of PWM (Duty) at the same time. Since both periods vary in the same direction, computing the ratio between these
values at each PWM period gives consistent measurement of the current feedback over the temperature drift.
4
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