ADP2325
Data Sheet
TYPICAL APPLICATION CIRCUITS
C
C1
1500pF
C
V
R
10kΩ
IN
12V
TOP1
C
10µF,
25V
IN1
SS1
22nF
R
BOT1
10kΩ
R
C1
28kΩ
C
BST1
0.1µF
L1
1.5µH
INTVCC
C
INT
1µF
V
OUT1
MODE
SW1
1.2V
5A
SCFG
TRK2
TRK1
M1
C
100µF
C
100µF
C
OUT1
OUT2
OUT3
100µF
FDS8880
DL1
PGND
DL2
VDRV
C
DRV
1µF
ADP2325
M2
FDS8880
GND
C
C
47µF
OUT4
OUT5
47µF
PGOOD2
V
OUT2
3.3V
5A
PGOOD1
SYNC
RT
SW2
L2
3.3µH
C
R
BST2
0.1µF
OSC
120kΩ
R
27kΩ
R
C2
BOT2
V
2.21kΩ
IN
12V
C
C
C
10µF,
25V
C2
SS2
22nF
IN2
1500pF
R
TOP2
10kΩ
Figure 54. Using an External MOSFET Application, VIN1 = VIN2 = 12 V, VOUT1 = 1.2 V, IOUT1 = 5 A, VOUT2 = 3.3 V, IOUT2 = 5 A, fSW = 500 kHz
C
C1
2.2nF
C
V
R
IN
12V
TOP1
22kΩ
C
10µF,
25V
IN1
SS1
10nF
R
BOT1
R
C1
3kΩ
20kΩ
C
BST1
0.1µF
L1
INTVCC
C
INT
1µF
4.7µH
V
OUT1
SW1
5V
SCFG
TRK2
TRK1
VDRV
3A
D1
B320B
C
C
OUT1
22µF
OUT2
22µF
DL1
PGND
DL2
R
ILIM1
47kΩ
C
DRV
1µF
ADP2325
R
GND
MODE
ILIM2
47kΩ
C
C
OUT3
22µF
OUT4
22µF
D2
B220A
PGOOD2
V
OUT2
PGOOD1
SYNC
RT
SW2
3.3V
1.5A
L2
8.2µH
C
BST2
R
OSC
0.1µF
100kΩ
R
R
C2
BOT2
18kΩ
V
2.21kΩ
IN
12V
C
C
C
C2
4.7nF
SS2
10nF
IN2
10µF,
25V
R
TOP2
10kΩ
Figure 55. Using an External Diode Application, VIN1 = VIN2 = 12 V, VOUT1 = 5 V, IOUT1 = 3 A, VOUT2 = 3.3 V, IOUT2 = 1.5 A, fSW = 600 kHz
Rev. 0 | Page 28 of 32
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