Datasheet

ADP2118 Data Sheet
Rev. C | Page 18 of 24
TYPICAL APPLICATION CIRCUITS
R
TOP
10kΩ
R
BOT
10kΩ
R2
10kΩ
R1
10Ω
SYNC/MODE
FREQ
TRK
FB
PVIN
ADP2118
SW
SW
SW
1
2
3
4
12
11
10
9
C
IN
100µF
X5R,
6.3V
C
OUT
100µF
X5R,
6.3V
C1
0.1µF
V
IN
3.3V
V
OUT
1.2V
3A
L
1µH
16
15 14
13
5 6 7 8
PGND GND PGND PGND
PGOOD
EN
VIN
PVIN
L: MSS1038-102NL COILCRAFT
C
IN
, C
OUT
: C3225X5R0J107M TDK
08301-008
Figure 45. 1.2 V, 3 A, 1.2 MHz Step-Down Regulator,
Force Continuous Conduction Mode
R
TOP
47.5kΩ
R
BOT
15kΩ
R2
10kΩ
R1
10Ω
SYNC/MODE
FREQ
TRK
FB
PVIN
ADP2118
SW
SW
SW
1
2
3
4
12
11
10
9
C
IN
100µF
X5R,
6.3V
C
OUT
47µF
X5R,
10V
C1
0.1µF
V
IN
5V
V
OUT
2.5V
3A
L
1µH
16 15 14 13
5 6 7 8
PGND
GND
PGND
PGND
PGOOD
EN
VIN
PVIN
L: MSS1038-102NL COILCRAFT
C
IN
: C3225X5R0J107M TDK
C
OUT
: GRM32ER61A476KE20 MURATA
08301-009
Figure 46. 2.5 V, 3 A, 1.2 MHz Step-Down Regulator, Enable PFM Mode