10
VC7203 GTX Transceiver Characterization Board
UG957 (v1.3) October 17, 2014
Chapter 1:
VC7203 Board Features and Operation
X-Ref Target - Figure 1-3
Figure 1-3:
VC7203 Board Power Supply Block Diagram
UG957_c1_0
3
_100712
MGTVCCAUX
MGTAVTT
MGTAVCC
VCCAUX
VCCINT
VCCAUX_IO
VCCBRAM
VCCO_HR
VCCO_HP
Power
Su
pply
12V PWR IN
J2 or J29
or J1
3
1
Power Controller 1
UCD9248PFC
U9
S
witching Reg
u
l
a
tor
s
(2 Ph
as
e
s
)
1.0V
a
t 40A m
a
x
U5, U51
S
witching Reg
u
l
a
tor
1.8V
a
t 10A m
a
x
U56
S
witching Reg
u
l
a
tor
1.0V
a
t 10A m
a
x
S
witching Reg
u
l
a
tor
1.8V
a
t 10A m
a
x
U6
Power Controller 2
UCD9248PFC
U10
S
witching Reg
u
l
a
tor
1.8V
a
t 10A m
a
x
U57
S
witching Reg
u
l
a
tor
1.8V
a
t 10A m
a
x
S
witching Reg
u
l
a
tor
5.0V
a
t 10A m
a
x
U2
S
witching Reg
u
l
a
tor
3
.
3
V
a
t 18A m
a
x
U1
3
UTIL_5V0
UTIL_
3
V
3
7
S
erie
s
GTX Power Mod
u
le
1.05V
a
t 12.0A m
a
x
1.2V
a
t 8.0A m
a
x
1.8V
a
t 2.6A m
a
x
Line
a
r Reg
u
l
a
tor
2.5V
a
t
3
A m
a
x
U62
VCCO_0
S
witching Reg
u
l
a
tor
2.5V
a
t 18A m
a
x
U52
UTIL_2V5
U50
U58