Texas Instruments 28xxx Benutzerhandbuch
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200
400
600
400
200
300
500
300
500
EPWM1A
EPWM1B
EPWM2B
EPWM2A
Z
I
A
P
CA
CA
Z
I
Z
I
A
P
CA
CA
CB
CB
CB
CB
CA
CA
CA
CA
CB
CB
CB
CB
Controlling Multiple Buck Converters With Same Frequencies
Figure 3-6. Buck Waveforms for
(Note: F
PWM2
= F
PWM1)
)
76
Applications to Power Topologies
SPRU791D – November 2004 – Revised October 2007