X
X
R
R
P
P
7
7
7
7
2
2
0
0
/
/
7
7
7
7
2
2
4
4
/
/
7
7
7
7
2
2
5
5
E
E
V
V
B
B
-
-
D
D
E
E
M
M
O
O
-
-
1
1
Q
Q
u
u
a
a
d
d
C
C
h
h
a
a
n
n
n
n
e
e
l
l
D
D
i
i
g
g
i
i
t
t
a
a
l
l
P
P
W
W
M
M
/
/
P
P
F
F
M
M
D
D
e
e
m
m
o
o
B
B
o
o
a
a
r
r
d
d
P
P
r
r
o
o
g
g
r
r
a
a
m
m
m
m
a
a
b
b
l
l
e
e
P
P
o
o
w
w
e
e
r
r
M
M
a
a
n
n
a
a
g
g
e
e
m
m
e
e
n
n
t
t
S
S
y
y
s
s
t
t
e
e
m
m
January 2014
Rev. 2.0.0
Exar Corporation
48720 Kato Road, Fremont CA 94538, USA
Tel. +1 510 668-7000 – Fax. +1 510 668-7001
EVALUATION BOARD SCHEMATICS
GND
ENABLE_IC
AVDD
V5EXT
LDO5
LDO3V3
CPLL
VIN
GND
AVDD
GND
GND
LDO5
GND
LDO3V3
GND
GND
BST4
LX4
GL4
BST1
GH1
LX1
GL1
CH1_OUT
GND
VCCD
16V
4.7UF
0805
C24
GND
GND
BST2
GH2
LX2
GL2
CH2_OUT
BST3
GH3
LX3
GL3
CH3_OUT
GND
GND
GND
GND
VCCD
16V
2.2UF
0805
C38
GND
VOUT4_VPP
50V
2200pF
0603
C26
GND
35V
10UF
1210
C32
PS2
PS1
T10
DNS
0603
R4
DNS
0603
R3
PS1
PS2
GND
ENABLE
DNS
0603
R13
GND
PS3
PS3
DNS
0603
R2
SDA
SCL
ENABLE
VIN
GND
LDO5
T8
GPIO2
GPIO1
GND
T13
PS3
PS2
PS1
VPP
1
2
3
4
J2
Header 2X2
1
2
3
4
5
6
7
8
9 10
J3
Header 5X2
VPP
CH4_OUT
1 2 3
JP1
LDO5
GND
DNS
0603
R6
DNS
0603
R5
GND
GND
SDA
SCL
GPIO1
GPIO2
DNS
0603
R10
DNS
0603
R9
35V
10UF
1210
C13
744314490
4.9uH
L1
DNS
0805
R28
DNS
0603
C46
CH1_OUT
T1
VIN
6
8
5
7
1 2 3 4
Q1
FDMC8200
BST1
LX1
VIN
35V
10UF
1210
C45
GND
GL1
GH1
7443551130
1.3uH
L4
DNS
0805
R37
DNS
0603
C49
CH4_OUT
T4
DNS
0603
R14
DNS
0603
R15
VIN
LX4
BST4
GH4
GL4
50V
0.1UF
0603
C19
35V
10UF
1210
C14
DNS
0603
R23
6.3V
47uF
1210
C2
DNS
0805
R29
DNS
0603
C47
CH2_OUT
T2
VIN
744314330
3.3uH
L2
6
8
5
7
1 2 3 4
Q2
FDMC8200
VOUT2
GH2
GL2
LX2
BST2
VCCD
SDA
SCL
ENABLE
GND
GND
T9
GND
VPP
1
2
3
4
P6
Header 2X2
1
2
3
4
5
6
P5
Header 3X2
1
2
3
4
5
6
7
8
9 10
P7
Header 5X2
1
2
P1
1888687
1
2
P4
1888687
1
2
P2
1888687
1
2
P10
1888687
GH4
T12
1.0V 10A
2.5V 3A
3.3V- 5.0V 3A
G
D
S
4
SL1
,S
L2
,M
B
SIR474DP
1,2
,3
Q6
G
D
S
4
SL1
,S
L2
,M
B
FDMS7560S
1,2
,3
Q5
VOUT4_VPP
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
P9
Header 15
PS1
PS2
PS3
GPIO1
GPIO2
GND
DNS
0603
R8
DNS
0603
R7
35V
10UF
1210
C20
744314200
2.0uH
L3
6.3V
100uF
1210
C3
DNS
0805
R31
DNS
0603
C48
CH3_OUT
T3
FDMC8882
G
D
S
4
5,6
,7
,8
1,2
,3
Q4
FDMC7660
G
D
S
4
5,6
,7
,8
1,2
,3
Q3
VIN
LX3
BST3
GH3
GL3
1
2
P3
1888687
1.5V 5A
T6
T11
GND
GND
CH1_OUT
DNS
0603
R1
V5EXT
T16
GND
PGND1
39
GL1
38
LX1
37
GH1
36
BST1
35
VI
N
41
DGND
17
LDO5
44
V5EXT
43
AVDD
4
SDA
11
SCL
12
GPIO1
9
GPIO2
10
PS1
13
PS2
14
ENABLE
40
VOUT1
5
PGND2
33
GL2
32
LX2
31
GH2
30
BST2
29
VOUT2
6
PGND3
28
GL3
27
LX3
26
GH3
25
BST3
24
VOUT3
7
PGND4
22
GL4
21
LX4
20
GH4
19
BST4
18
VOUT4
8
VCCD1-2
34
DVDD
16
AGND
2
AGND/
EXP
OS
ED P
AD
45
LDO3.3
1
CPLL
3
BFB
42
PS3
15
VCCD3-4
23
U1
SDA
SCL
GND
LDO5
LDO3V3
AVDD
2
3
1
P11
LDO5
LDO3V3
1
2
3
4
5
6
J1
Header 3X2
GND
T7
EX1
EX2
EX3
EX4
EX5
EX1
EX2
EX3
EX4
EX5
DNS
1206
R42
DNS
1206
R40
DNS
1206
R32
DNS
1206
R33
DNS
1206
R34
GPIO1
GPIO2
PS1
PS2
PS3
DNS
0603
R22
DNS
0603
R35
VCCD
GND
DNS
0603
R21
DNS
0603
R20
DNS
0603
R25
DNS
0603
R24
DNS
0603
R27
DNS
0603
R26
4.7K
0603
R16
4.7K
0603
R17
LDO5
DNS
0603
C36
GND
SDA
SCL
DNS
0603
R19
DNS
0603
R18
VOUT1
VOUT3
VOUT4
GPIO2
GPIO1
IO2
IO3
IO4
ENABLE
DNS
0603
R45
DNS
0603
R43
DNS
0603
R44
GND
VIN
IO2
IO3
IO4
SCL
SDA
GND
4
GND
5
VIN
6
A3
10
A4
11
A5
12
D2
15
D3
16
D4
17
D13
26
GND
27
AREF
28
P8
DNS
ENABLE_IC
T14
T15
DNS
0603
R38
DNS
0603
R36
DNS
0603
R39
DNS
0603
R41
T5
DNS
0603
R30
6.3V
47uF
1210
C6
6.3V
47uF
1210
C1
6.3V
47uF
1210
C5
35V
10UF
1210
C30
35V
10UF
1210
C31
6.3V
100uF
1210
C7
6.3V
100uF
1210
C4
6.3V
100uF
1210
C11
6.3V
100uF
1210
C12
6.3V
100uF
1210
C15
50V
1UF
0805
C10
50V
1UF
0805
C9
50V
1UF
0805
C8
50V
1UF
0805
C16
50V
0.01UF
0603
C27
50V
0.01UF
0603
C40
50V
0.01UF
0603
C29
50V
0.01UF
0603
C28
50V
0.01UF
0603
C34
50V
0.01UF
0603
C35
50V
0.01UF
0603
C23
50V
0.01UF
0603
C17
16V
4.7UF
0805
C18
16V
4.7UF
0805
C37
16V
4.7UF
0805
C39
50V
0.1UF
0603
C21
50V
0.1UF
0603
C22
50V
0.1UF
0603
C25
50V
0.1UF
0603
C33
50V
0.1UF
0603
C41
50V
0.1UF
0603
C42
50V
0.1UF
0603
C44
50V
0.1UF
0603
C43
DNS
0603
R11
DNS
0603
R12
Figure 1: XRP7720 /7724/7725 Evaluation Board Schematics