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ADP1046A 100Watt
PRD1386
Evaluation board
Figure 62 - Effective duty cycle 48V, light load
Figure 63 - Effective duty cycle 48V, full load
Red and blue traces: OUTA and OUTD
Red and blue traces: OUTA and OUTD
Figure 64 - ZVS turn on of QD transistor
Figure 65 - 48VDC, full load
Red trace: OUTD
Red trace: Transformer primary winding voltage
Red trace: Drain – Source voltage of QD transistor
Yellow trace: Primary current
NOTE: An additional 1μH inductor needs to be connected in series with the
primary winding
Rev. 1.3 | Page 36 of 55
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