W3150 Datasheet, PDF (12/59 Pages) List of Unclassifed Manufacturers – WIZnet’s Online Technical Support

1.4. Power Supply Signal Description
Pin#
2, 22, 38, 39, 58
28
37
57
3, 13, 23, 36, 45, 54
Signal
VCC
VIN
AVIN
VOUT
GND
I/O
Description
POSITIVE 3.3V SUPPLY PINS
2.5V power input
2.5V power supply
2.5V Analog power input
2.5V power supply for analog circuit ; should be well decoupled.
Refer Figure 1-1. Reference Schematic for Power input.
2.5V power out
Be sure to connect 10uF tantalum capacitor and a 0.1uF
capacitor for noise de-coupling. Then connect this pin through a
ferrite bead to VIN and AVIN.
NEGATIVE (GROUND) SUPPLY PINS
VOU T
C P2
+
10uF
L3
C21 4.7uH
0.1uF
VIN
CP3
+
2.2uF
C22
0.1uF
AVIN
Figure 1-1. Reference Schematic for Power input
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