ACT365 데이터 시트보기 (PDF) - Active-Semi, Inc
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ACT365 Datasheet PDF : 10 Pages
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TYPICAL APPLICATION CONT’D
the input capacitor ground lead, and the ACT365 G
pin to a single point (star ground configuration).
VFB Sampling Waveforms
ACT365 senses the output voltage information
through the VFB waveforms. Proper VFB waveforms
are required for IC to operate in a stable status. To
avoid mis-sampling, 1.0µs blanking time is added to
blank the ringing period due to the leakage
inductance and the circuit parasitic capacitance.
Figure 2 is the recommended VFB waveform to
guarantee the correct sampling point so that the
output information can be sent back into the IC to
do the appropriate control.
Figure 2:
1.0µs
ACT365
Rev 2, 10-Jan-13
Innovative PowerTM
-8-
www.active-semi.com
Copyright © 2013 Active-Semi, Inc.
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