MB39C308 Datasheet, PDF (45/60 Pages) Fujitsu Component Limited. – 6ch DC/DC Converter IC for LPIA Platform VR

MB39C308
■ TYPICAL APPLICATION CIRCUIT
PG1
CTL1
PG2
CTL2
PG3
CTL34
PG4
VIN
VINs
PGNDs
PGND
VB
VO1
VB
VO2
VB
M1
VIN
MB39C308PFBGA208
K14
PG1
PVDD1 ^{C16 ECH8607}
D15
CTL1
G15 _FB1
E15 G ^{5 6}
OUT1H
4
S
Q1
3
CB1 ^{D16 C13}
L1
LX1 ^{E16 0.22 μF}
3.3 μH
OUT1L ^F15
PGND1 ^F16
G ⁷⁸
2
S
Q1
1
ECH8607
VIN
J14
PG2
C15
CTL2
H15 _FB2
PVDD2 ^{K16 FDMA420NZ}
OUT2H ^K15
G
3
1_{2 567}
S4
CB2 ^{J16 C14 02}
L2
LX2 ^{H16 0.22 μF}
3.3 μH
OUT2L ^J15
PGND2 ^G16
G ^{12 567}
3 FDMA420NZ
S4
03
VIN
VO1
Vo1s
Vo1
VO2
Vo2s
Vo2
H14
PG3
C14
VREF
CTL34
C11 _VSEL34
VO3
P13 _FB3
VB
G14
PG4
VREF
VO4
C12 _FSEL4
P7 _FB4
VIN
PVDD3A
PVDD3B
PVDD3C
PVDD3D
PVDD3E
PVDD3F
PVDD3G
PVDD3H
PVDD3I
CB3
L16
L15
L14
M16
M15
M14
N16
N15
N14
P14
C15
LX3A ^{P16 0.1 μF}
L3
LX3B ^P15
LX3C ^R16
1.5 μH
LX3D ^R15
LX3E ^R14
LX3F ^R13
LX3G
LX3H
LX3I
PGND3A
PGND3B
PGND3C
PGND3D
PGND3E
PGND3F
PGND3G
PGND3H
PGND3I
T15
T14
T13
P12
P11
P10
R12
R11
R10
T12
T11
T10
VIN
PVDD4A
PVDD4B
PVDD4C
PVDD4D
PVDD4E
PVDD4F
PVDD4G
P3
P2
R3
R2
R1
T3
T2
CB4 ^P4
P6
LX4A
LX4B
LX4C
LX4D
LX4E
LX4F
LX4G
LX4H
P5
R6
R5
R4
T6
T5
T4
PGND4A ^P9
PGND4B ^P8
PGND4C ^R9
PGND4D ^R8
PGND4E ^R7
PGND4F ^T9
PGND4G ^T8
PGND4H T7
C16
0.1 μF
L4
1.5 μH
VO3
Vo3s
Vo3
VO4
Vo4s
Vo4
DS04-27261-6E
(Continued)
45