7
AN1460.1
July 13, 2009
FIGURE 3. ISL62883EVAL2Z SCHEMATICS, PAGE 2 OF 5
ISL62883EVAL2Z Schematic
(Continued)
27
0UF
27
0UF
27
0UF
27
0UF
-
---------
DNP
----->
-->
PADS FOR SMALL INDUCTOR
PADS FOR SMALL INDUCTOR
DN
P
IRF7832
IRF7832
IRF7821
IRF7821
IRF7832
IRF7832
IRF7821
IRF7821
-->
----->
-->
PHASE1
DN
P
0
0.1UF
OPENINGS WITH
10MIL CLEARANCE
DNP
DNP
DNP
DNP
PHASE3
0
-->
0
----->
1
-->
0
__
0.1UF
->
-
-----
PGND
0
3
.65K
__
----->
CLOSE TO THE PROBE SOCKET
0
0
1
0
PHASE2
3.65
K
__
VIN
DNP
DN
P
-->
0
OPENINGS WITH
10MIL CLEARANCE
-->
0
10
U
F
10UF
1
0UF
10UF
10
U
F
10UF
10UF
DNP
PADS FOR SMALL INDUCTOR
PADS FOR BIG INDUCTOR
__
LGATE1B
DNP
10
U
F
-->
1
0UF
1
0UF
10UF
10UF
10UF
10UF
1
0
UF
10UF
10UF
1
0UF
10
U
F
DN
P
DN
P
IRF7832
10MIL CLEARANCE
IRF7821
OPENINGS WITH
0.36UH
0.36UH
DNP
DN
P
DN
P
DN
P
1
0UF
1
0UF
10UF
10
U
F
10UF
DN
P
3
.65K
PADS FOR BIG INDUCTOR
__
0.36UH
-->
LGA
TE1A
PADS FOR BIG INDUCTOR
__
----->
IRF7832
IRF7821
DNP
DN
P
----->
1
-->
CENTERED IN THE CPU SOCKET
DN
P
C30
R90
R98
DNP
R75
3
L2
DNP
V
SUM-
R101
R74
R84
R7
6
R8
6
1
4
3
2
J8
R53
TP3
4
R55
R54
C26
2
1
C2
4
2
1
C2
5
R61
R60
R59
1
4
3
2
J10
C58
C45
1
J14
1
J13
1
J12
1
J11
2
1
C44
2
1
C57
2
1
C39
2
1
C52
C43
C50
C42
C49
C56
C62
C66
C55
C61
C65
C70
C74
C69
C73
C78
C77
C4
1
C48
C54
C60
C64
C68
C72
C76
C75
C71
C67
C63
C59
C53
C47
C40
R58
C32
C29
C35
3
2
1
4
5
Q7
3
2
1
4
5
Q6
3
2
1
4
5
Q13
3
2
1
4
5
Q12
1
4
3
2
J9
R67
C38
R92
R73
R66
R70
L3
R83
R82
R91
R95
3
2
1
4
5
Q5
3
2
1
4
5
1
4
2
J7
R65
C37
R72
R64
R69
R81
R79
R89
R94
R1
00
C31
R57
C28
C34
3
2
1
4
5
Q4
3
2
1
4
5
Q10
R97
C36
R78
R71
R9
9
R9
3
R8
7
R7
7
R6
8
L1
6
1
3
8
5
4
7
2
U3
3
2
1
4
5
3
2
1
4
5
Q3
3
2
1
5
Q2
TP32
TP31
R96
R6
2
J5
J6
C27
C33
3
2
1
4
5
Q8
VCORE
V
SUM-
UGATE2
10K
OPEN
0.22UF
0
BOOT2
0.22UF
LGATE2
10K
OPEN
V2
N
V2N
OPEN
V1P
56U
F
56U
F
VIN
0.22UF
10UF
10U
F
10UF
10K
0
PHASE2
1U
F
0
+5V
ISL6208
PWM3
10U
F
V3P
10UF
V1
N
V1
N
V2
N
DNP
V3
N
V3
N
DN
P
DNP
V3N
V1N
DNP
PHASE1
BOOT1
V2P
0
0
0
DNP
R85
ISE
N2
V
SUM+
10UF
Q11
R88
LGATE1B
TP3
3
LGATE1/A
0
R56
UGATE1
V
SUM+
IS
EN1
Q9
4
R63
DNP
DNP
OUT
OUT
IN
OUT
IN
IN
OUT
OUT
IN
OUT
IN
OUT
OUT
IN
IN
IN
OUT
IN
OUT
OUT
IN
IN
PHASE
GND
LGATE
UGATE
VCC
PWM
FCCM
BOOT
Application Note 1460
