Data Sheet

Design Considerations—Ethernet Controller I210
833
Figure 12-22.Power Delivery Solutions
OPTION A:
Fully Integrated 0.09 Vdc
and 1.5 Vdc Regulator
47
E_PAD_GND
I210
VDD1p5_OUT
VDD0p9_OUT
CTOP
CBOT
OPTION B:
External 0.09 Vdc and
1.5 Vdc Regulator
15 uF
39
11, 32
42, 59
15 uF
38
Keep close to I210.
Use short wide traces.
Connect to ground plane
using mulitple vias
V3p3_LAN
15 uF
10, 27,
41, 64
40
37
65
Note: Use multiple vias to connect output
to sub layer shape to feed VDD input.
E_PAD_GND
I210
EXTERNAL V1p5
EXTERNAL V0p9
Connect to ground plane
using mulitple vias
V3p3_LAN
15 uF
65
15 uF
VDD0p9
VDD1p5
15 uF
10, 27,
41, 64
VDD3p3
Note: One decoupling
capacitor per
VDD pin (distributed)
0.039 uF
Keep close to I210.
Use short wide traces.
CTOP
CBOT
40
37
0.039 uF
VDD3p3
VDD1p5_OUT
VDD0p9_OUT
39
38
OPT
o
o
OPT
o
o