Datasheet

ADP2105/ADP2106/ADP2107 Data Sheet
Rev. D | Page 30 of 36
APPLICATION CIRCUITS
ADP2107-3.3
OFF
EN
SS
LX2
AGND
OUTPUT VOLTAGE = 3.3V
COMP
ON
PGND
GND
GND
GND
NC
LX1
PWIN2
V
IN
V
IN
INPUT VOLTAGE = 5V
10μF
1
V
OUT
V
OUT
1nF
70kΩ
120pF
1
2
3
4
12
11
10
9
16
15
14
13
5
6
7
8
2.5μH
2
4.7μF
1
LOAD
0A TO 2A
10μF
1
10μF
1
10Ω
0.1μF
1
MURATA X5R 0805
10μF: GRM21BR61A106KE19L
4.7μF: GRM21BR61A475KA73L
2
SUMIDA CDRH5D28: 2.5μH
NOTES
1. NC = NO CONNECT.
2. EXTERNAL COMPONENTS WERE
CHOSEN FOR A 10% OVERSHOOT
FOR A 1A LOAD TRANSIENT.
06079-047
FB PWIN1INGND
Figure 56. Application Circuit—V
IN
= 5 V, V
OUT
= 3.3 V, Load = 0 A to 2 A
ADP2107-1.5
OFF
EN
SS
LX2
AGND
OUTPUT VOLTAGE = 1.5V
COMP
ON
PGND
GND
GND
GND
NC
LX1
PWIN2
V
IN
V
IN
INPUT VOLTAGE = 3.6V
22μF
1
V
OUT
V
OUT
1nF
140kΩ
68pF
1
2
3
4
12
11
10
9
16
15 14 13
5
6
7 8
1.5μH
2
22μF
1
LOAD
0A TO 2A
10μF
1
10μF
1
10Ω
0.1μF
1
MURATA X5R 0805
10μF: GRM21BR61A106KE19L
22μF: GRM21BR60J226ME39L
2
TOKO D62LCB OR COILCRAFT LPS4012
NOTES
1. NC = NO CONNECT.
2. EXTERNAL COMPONENTS WERE
CHOSEN FOR A 5% OVERSHOOT
FOR A 1A LOAD TRANSIENT.
06079-048
PWIN1INGND
FB
Figure 57. Application Circuit—V
IN
= 3.6 V, V
OUT
= 1.5 V, Load = 0 A to 2 A