Datasheet

ADP2384 Data Sheet
Rev. 0 | Page 22 of 24
TYPICAL APPLICATIONS CIRCUITS
ADP2384
BST
FB
COMP
PGOOD
GND
VREG
RT
SYNC
SS
SW
PGND
EN
PVIN
V
IN
= 12V
C
IN
10µF
25V
C
OUT1
100µF
6.3V
C
OUT2
100µF
6.3V
C
OUT3
100µF
6.3V
L1
1.5µH
C
BST
0.1µF
V
OUT
= 1.2V
R
TOP
10kΩ
1%
R
BOT
10kΩ
1%
C
CP
10pF
C
C
2.2nF
R
C
27.4kΩ
10725-036
C
VREG
1µF
R
T
124kΩ
C
SS
22nF
Figure 37. Typical Applications Circuit, V
IN
= 12 V, V
OUT
= 1.2 V, I
OUT
= 4 A, f
SW
= 500 kHz
ADP2384
BST
FB
COMP
PGOOD
GND
VREG
RT
SYNC
SS
SW
PGND
EN
PVIN
V
IN
= 12V
C
IN
10µF
25V
C
OUT1
100µF
6.3V
C
OUT2
100µF
6.3V
L1
2.2µH
C
BST
0.1µF
V
OUT
= 1.8V
R
TOP
20kΩ
1%
R
BOT
10kΩ
1%
C
CP
8.2pF
C
C
1.5nF
R
C
31.6kΩ
10725-035
C
VREG
1µF
R
T
100kΩ
Figure 38. Typical Applications Circuit Using Internal Soft Start, V
IN
= 12 V, V
OUT
= 1.8 V, I
OUT
= 4 A, f
SW
= 600 kHz
ADP2384
BST
FB
COMP
PGOOD
GND
VREG
RT
SYNC
SS
SW
PGND
EN
PVIN
V
IN
= 12V
C
IN
10µF
25V
C
OUT
100µF
6.3V
C
SS
22nF
C
VREG
1µF
L1
4.7µH
C
BST
0.1µF
V
OUT
= 5V
R
TOP
22kΩ
1%
R
BOT
3kΩ
1%
C
CP
2.2pF
C
C
1.5nF
R
C
44.2kΩ
R
T
124kΩ
10725-037
Figure 39. Typical Applications Circuit with Programming Switching Frequency at 500 kHz, V
IN
= 12 V, V
OUT
= 5 V, I
OUT
= 4 A, f
SW
= 500 kHz