Datasheet

ADP2386 Data Sheet
Rev. A | Page 22 of 24
TYPICAL APPLICATIONS CIRCUITS
ADP2386
BST
FB
COMP
PGOOD
GND
SYNC
SW
PGND
EN
PVIN
V
IN
= 12V
C
IN
10µF
25V
C
OUT1
470µF
6.3V
C
OUT2
10µF
6.3V
L1
1µH
C
BST
0.1µF
V
OUT
= 1.2V
R
TOP
10kΩ
1%
R
BOT
10kΩ
1%
C
CP
68pF
C
C
1.5nF
R
C
66.5kΩ
VREG
RT
SS
C
SS
22nF
C
VREG
1µF
R
T
124kΩ
10211-035
Figure 37. Typical Applications Circuit, V
IN
= 12 V, V
OUT
= 1.2 V, I
OUT
= 6 A, f
SW
= 500 kHz
ADP2386
BST
FB
COMP
PGOOD
GND
SYNC
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
= 1.8V
R
TOP
20kΩ
1%
R
BOT
10kΩ
1%
C
CP
8.2pF
C
C
1.2nF
R
C
47kΩ
RT
VREG
SS
C
VREG
1µF
R
PGOOD
100kΩ
R
T
100kΩ
1021
1-038
Figure 38. Typical Applications Circuit Using Internal Soft Start, V
IN
= 12 V, V
OUT
= 1.8 V, I
OUT
= 6 A, f
SW
= 600 kHz
ADP2386
BST
FB
COMP
PGOOD
GND
SYNC
SW
PGND
EN
PVIN
V
IN
= 12V
C
IN
10µF
25V
C
OUT
100µF
6.3V
L1
3.3µH
C
BST
0.1µF
V
OUT
= 5V
R
TOP
22kΩ
1%
R
BOT
3kΩ
1%
C
CP
2.2pF
C
C
1.2nF
R
C
44.2kΩ
RT
VREG
SS
C
VREG
1µF
C
SS
22nF
R
BOT_EN
2kΩ
R
TOP_EN
16.9kΩ
R
T
100kΩ
10211-039
Figure 39. Programming Input Voltage UVLO Rising Threshold at 11 V, Falling Threshold at 10 V, V
IN
= 12 V, V
OUT
= 5 V, I
OUT
= 6 A, f
SW
= 600 kHz