Datasheet

Data Sheet ADP2323
Rev. A | Page 27 of 32
TRK1
R
TOP1
20kΩ
C
C1
470pF
R
C1
150kΩ
R
OK1
100kΩ
R
OSC
100kΩ
C
SS1
22nF
C
INT
1µF
C
IN1
10µF, 25V
C
BST1
0.1µF
C
BST2
0.1µF
L1
1µH
M1
FDS8880
M2
FDS8880
L2
1µH
V
IN
12V
V
IN
12V
V
OUT1
1.8V, 6A
C
OUT1
100µF
R
BOT1
10kΩ
C
IN2
10µF, 25V
FB1
COMP1
SS1
EN1
PVIN1
BST1
FB2 COMP2 SS2 EN2 PVIN2 PVIN2 BST2
PGOOD1
SCFG
SYNC
INTVCC
ADP2323
RT
MODE
PGOOD2
TRK2
GND
SW1
SW1
SW2
DL1
PGND
DL2
SW2
VDRV
PVIN1
C
OUT2
100µF
C
OUT3
100µF
R
OK2
100kΩ
C
DRV
1µF
09357-052
Figure 52. Parallel Single Output Application, V
IN
= 12 V, V
OUT
= 1.8 V, I
OUT
= 6 A, f
SW
= 600 kHz
M1
INTVCC
R
TOP1
22kΩ
C
C1
390pF
R
C1
62kΩ
C
SS1
22nF
C
INT
1µF
C
DRV
1µF
C
IN1
10µF, 25V
C
BST1
0.1µF
C
BST2
0.1µF
L1
3.3µH
L2
1µH
V
IN
12V
V
OUT1
5V, 2A
C
OUT2
100µF
V
OUT2
1.0V, 3A
R
BOT1
3kΩ
R
TOP2
10kΩ
R
C2
82kΩ
C
C2
390pF
C
SS2
22nF
C
IN2
10µF, 25V
R
BOT2
15kΩ
R
OSC
50kΩ
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
C
OUT1
22µF
C
OUT3
100µF
M1
FDS6898A
09357-053
Figure 53. Cascading Supply Application, V
IN1
= 12 V, V
OUT1
= 5 V, I
OUT1
= 2 A, V
OUT2
= 1 V, I
OUT2
= 3 A, f
SW
= 1.2 MHz