Datasheet

Data Sheet ADP2323
Rev. A | Page 29 of 32
INTVCC
R
TOP1
15kΩ
C
C1
820pF
R
C1
68kΩ
C
SS1
22nF
C
INT
1µF
C
DRV
1µF
C
IN1
10µF, 25V
C
BST1
0.1µF
C
BST2
0.1µF
L1
2.2µH
M1
FDS8880
M2
FDS8880
L2
3.3µH
V
IN
9V
V
IN
9V
V
OUT1
1.5V, 3A
C
OUT1
47µF
C
OUT4
47µF
V
OUT2
2.5V, 3A
R
BOT1
10kΩ
R
TOP2
47.5kΩ
R
C2
75kΩ
C
C2
820pF
C
SS2
22nF
C
IN2
10µF, 25V
R
BOT2
15kΩ
R
OSC
100kΩ
FB1
COMP1
SS1
EN1
PVIN1
BST1
FB2 COMP2 SS2 EN2 PVIN2 BST2
SCFG
TRK2
TRK1
VDRV
ADP2323
GND
PGOOD2
PGOOD1
SYNC
RT
SW1
DL1
PGND
DL2
SW2
MODE
C
OUT2
47µF
C
OUT5
47µF
C
OUT3
47µF
09357-055
Figure 55. Enable PFM Mode with MODE Pin Pulled to GND, V
IN1
= V
IN2
= 9 V, V
OUT1
= 1.5 V, I
OUT1
= 3 A, V
OUT2
= 2.5 V, I
OUT2
= 3 A, f
SW
= 600 kHz
INTVCC
R
TOP1
10kΩ
C
C1
1500pF
R
C1
100kΩ
C
SS1
22nF
C
INT
1µF
C
DRV
1µF
C
IN1
10µF, 25V
C
BST1
0.1µF
C
BST2
0.1µF
L1
8.2µH
M1
FDS8880
M2
FDS8880
L2
5.6µH
V
IN
12V
V
IN
12V
V
OUT1
3.3V, 3A
C
OUT1
100µF
C
OUT3
100µF
V
OUT2
1.8V, 3A
R
BOT1
2.21kΩ
R
EN_BOT
68kΩ
R
EN_TOP
330kΩ
R
TOP2
20kΩ
R
C2
51kΩ
C
C2
1500pF
C
SS2
22nF
C
IN2
10µF, 25V
R
BOT2
10kΩ
R
OSC
200kΩ
FB1
COMP1
SS1
EN1
PVIN1
BST1
FB2 COMP2 SS2 EN2 PVIN2 BST2
MODE
SCFG
TRK2
TRK1
VDRV
ADP2323
GND
PGOOD2
PGOOD1
SYNC
RT
SW1
DL1
PGND
DL2
SW2
R
PGOOD1
100kΩ
C
OUT2
100µF
C
OUT4
100µF
09357-056
Figure 56. Programmable V
IN_RISING
= 8.7 V, V
IN_FALLING
= 6.7 V, 3.3 V Start Up Before 1.8 V,
V
IN1
= V
IN2
= 12 V, V
OUT1
= 3.3 V, I
OUT1
= 3 A, V
OUT2
= 1.8 V, I
OUT2
= 3 A, f
SW
= 300 kHz