Datasheet

Data Sheet ADP2302/ADP2303
Rev. A | Page 21 of 28
VIN
V
OUT
= 3.3V
3A
ADP2303
PGOOD
EN
BST
SW
FB
R
EN1
56kΩ
1%
C
IN
10µF
25V
C
BST
0.1µF
D
SSB43L
C
OUT1
47µF
6.3V
C
OUT2
47µF
6.3V
R
TOP
31.6kΩ
1%
R
BOT
10.2kΩ
1%
L
4.7µH
R
EN2
10.2kΩ
1%
R
PGOOD
100kΩ
GND
0
8833-049
V
IN
= 12V
Figure 51. Schematic for the Design Example
Table 11. Recommended External Components for Typical Applications at 2 A/3 A Output Load
Part Number V
IN
(V) V
OUT
(V) I
LOAD(max)
(A) L (μH) C
OUT
R
TOP
(kΩ), ±1% R
BOT
(kΩ), ±1%
ADP2302 18 3.3 2 6.8 2 × 22 µF 31.6 10.2
18 5.0 2 10 2 × 22 µF 52.3 10
12 1.5 2 4.7 2 × 47 µF 10 11.3
12 1.8 2 4.7 3 × 22 µF 12.7 10.2
12 2.5 2 4.7 3 × 22 µF 21.5 10.2
12 3.3 2 6.8 2 × 22 µF 31.6 10.2
12 5.0 2 6.8 2 × 22 µF 52.3 10
5 1.5 2 3.3 2 × 47 µF 10 11.3
5 1.8 2 3.3 2 × 47 µF 12.7 10.2
5 2.5 2 3.3 2 × 22 µF 21.5 10.2
ADP2303 18 3.3 3 4.7 2 × 47 µF 31.6 10.2
18 5.0 3 6.8 47 µF 52.3 10
12 1.5 3 2.5 3 × 47 µF 10 11.3
12 1.8 3 3.3 3 × 47 µF 12.7 10.2
12 2.5 3 3.3 2 × 47 µF 21.5 10.2
12 3.3 3 4.7 2 × 47 µF 31.6 10.2
12 5.0 3 4.7 47 µF 52.3 10
5 1.5 3 2.2 3 × 47 µF 10 11.3
5 1.8 3 2.2 3 × 47 µF 12.7 10.2
5 2.5 3 2.2 3 × 47 µF 21.5 10.2