Microchip Technology dsPIC33F Family Especificaciones Pagina 97

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© 2008-2012 Microchip Technology Inc. DS70323E-page 43-97
Section 43. High-Speed PWM
High-Speed PWM
43
Figure 43-49: Interleaved PFC Diagram
Figure 43-50: Interleaved PFC Operational Waveforms
PWM1
PWM2
PFC Output
I
IN
90V - 265V
Rectifier
I
L1
I
D1
I
Load
I
c
I
S1
I
L2
I
D2
I
S2
When duty cycle is = 50%
When duty cycle is > 50%
PWM1
PWM2
IL1
IL2
(IL1 + IL2)
PWM1
PWM2
IL1
IL2
(IL1 + IL2)
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