ADP2105/ADP2106/ADP2107
APPLICATION CIRCUITS
0.1μF
V
INPUT VOLTAGE = 5V
10ꢀ
IN
1
10μF
V
OUT
16
15
14
GND IN PWIN1
LX2
13
OUT_SENSE
ON
1
2
3
4
12
EN
OFF
2
2.5μH
V
OUTPUT VOLTAGE = 3.3V
OUT
GND
PGND
LX1
11
10
9
1
1
10μF
4.7μF
ADP2107-3.3
LOAD
0A TO 2A
GND
V
IN
GND
PWIN2
1
1
2
10μF
MURATA X5R 0805
COMP SS AGND NC
10μF: GRM21BR61A106KE19L
4.7μF: GRM21BR61A475KA73L
SUMIDA CDRH5D28: 2.5μH
5
6
7
8
1nF
70kꢀ
120pF
NOTES
1. NC = NO CONNECT.
2. EXTERNAL COMPONENTS WERE
CHOSEN FOR A 10% OVERSHOOT
FOR A 1A LOAD TRANSIENT.
Figure 54. Application Circuit—VIN = 5 V, VOUT = 3.3 V, LOAD = 0 A to 2 A
0.1μF
V
INPUT VOLTAGE = 3.6V
10ꢀ
IN
1
10μF
V
OUT
16
15
14
GND IN PWIN1
LX2 12
13
OUT_SENSE
ON
1
2
3
4
EN
OFF
2
1.5μH
V
OUTPUT VOLTAGE = 1.5V
1
OUT
PGND
LX1
11
10
9
GND
1
22μF
22μF
ADP2107-1.5
LOAD
0A TO 2A
GND
V
IN
GND
PWIN2
1
1
2
10μF
MURATA X5R 0805
10μF: GRM21BR61A106KE19L
22μF: GRM21BR60J226ME39L
COMP SS AGND NC
5
6
7
8
TOKO D62LCB OR COILCRAFT LPS4012
1nF
140kꢀ
NOTES
1. NC = NO CONNECT.
2. EXTERNAL COMPONENTS WERE
CHOSEN FOR A 5% OVERSHOOT
FOR A 1A LOAD TRANSIENT.
68pF
Figure 55. Application Circuit—VIN = 3.6 V, VOUT = 1.5 V, LOAD = 0 A to 2 A
0.1μF
V
INPUT VOLTAGE = 2.7V TO 4.2V
10ꢀ
IN
1
4.7μF
V
OUT
16
15
14
GND IN PWIN1
LX2
13
OUT_SENSE
ON
1
2
3
4
12
EN
OFF
2
2.7μH
V
OUTPUT VOLTAGE = 1.8V
1
OUT
GND
PGND
LX1
11
10
9
1
22μF
22μF
ADP2105-1.8
LOAD
0A TO 1A
GND
V
IN
GND
PWIN2
1
1
2
4.7μF
MURATA X5R 0805
COMP SS AGND NC
4.7μF: GRM21BR61A475KA73L
22μF: GRM21BR60J226ME39L
TOKO 1098AS-DE2812: 2.7μH
5
6
7
8
1nF
270kꢀ
NOTES
1. NC = NO CONNECT.
39pF
2. EXTERNAL COMPONENTS WERE
CHOSEN FOR A 5% OVERSHOOT
FOR A 1A LOAD TRANSIENT.
Figure 56. Application Circuit—VIN = Li-Ion Battery, VOUT = 1.8 V, LOAD = 0 A to 1 A
Rev. 0 | Page 29 of 32