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W305B
Document #: 38-07262 Rev. *B
Page 19 of 21
Layout Example
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G = VIA to GND plane layer
V =VIA to respective supply plane layer
Note: Each supply plane or strip should have a ferrite bead and capacitors
+2.5V Supply
1
2
3
4
5
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G
V
FB
+3.3V Supply
C4
Cermaic Cap C1, C3 & C5 = 10 - 22 µF
C2 & C4 = .005 µF
10 mF
FB
C1
C2
.005 mf
FB = Dale ILB1206 - 300 (300
Ω @ 100 MHz) or TDK ACB 2012L-120
10 mF
.005 mF
G
G
G
G
VDDQ2
VDDQ3
C3
C6 = 0.1
µF
G
G
5
Ω
+3.3V
C5
C6
G
V
0.1 µF
10
µF
G
V
G
V
G
V
G
V
G
V
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
V
G
V