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AN2683 데이터시트(PDF) 3 Page - STMicroelectronics

부품명 AN2683
상세설명  Compact dual output point of load converter
PDF  38 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN2683 데이터시트(HTML) 3 Page - STMicroelectronics

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AN2683
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List of figures
Figure 1.
PM6680 - top and bottom view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Figure 2.
Circuit board schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 3.
Components of virtual ESR network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 4.
Top layer component placement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 5.
Top layer copper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 6.
Inner layer 1 showing additional power traces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 7.
Power ground layer (inner layer 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Figure 8.
Signal ground layer (inner layer 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Figure 9.
Bottom layer components placement (mirrored). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 10.
Bottom layer copper (mirrored) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 11.
Inner layer 4 (mirrored) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Figure 12.
Efficiency vs. load current in PWM mode (1.0 V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Figure 13.
Efficiency vs. load current in NA-skip mode (1.0 V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Figure 14.
Efficiency vs. load current in PWM mode (1.8 V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Figure 15.
Efficiency vs. load current in NA-skip mode (1.8 V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Figure 16.
VDC output - 100% to 50% load change (20µs/div) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Figure 17.
VDC output - 50% to 100% load change (20µs/div) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Figure 18.
VDC output - 20% to 80% step load change (50µs/div). . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Figure 19.
VDC output - 100% to 50% load change (20µs/div) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Figure 20.
VDC output - 50% to 100% load change (20µs/div) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Figure 21.
VDC output - 20% to 80% step load change (50µs/div). . . . . . . . . . . . . . . . . . . . . . . . . . . . 32



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