Datasheet

0 2 4 6 8 10
9.5
10.0
10.5
11.0
11.5
12.0
12.5
0
4
8
12
16
20
24
V
OUT
(V)
TIME (s)
V
SW
(V)
V
IN
= 4.5V
0 1 2 3 4 5 6 7 8 9 10
2.5
3.0
3.5
4.0
4.5
5.0
5.5
0
7
14
21
28
35
42
V
OUT
(V)
TIME (s)
V
SW
(V)
V
IN
= 25V
0 1 2 3 4 5 6 7 8 9 10
4
8
12
16
20
24
28
32
36
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
V
IN
(V)
TIME (ms)
V
OUT
(V)
V
IN
V
OUT
I
LOAD
= 3A
0 1 2 3 4 5 6 7 8 9 10
12
13
14
15
16
17
18
19
20
21
22
8.0
8.5
9.0
9.5
10.0
10.5
11.0
11.5
12.0
12.5
13.0
V
IN
(V)
TIME (ms)
V
OUT
(V)
V
IN
V
OUT
I
LOAD
= 3A
0.0 0.5 1.0 1.5 2.0
3.2
3.6
4.0
4.4
4.8
5.2
0
1
2
3
4
5
6
V
OUT
(V)
TIME (ms)
I
LOAD
(A)
V
OUT
I
LOAD
V
IN
= 5V
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
10.0
10.5
11.0
11.5
12.0
12.5
13.0
0
1
2
3
4
5
6
V
OUT
(V)
TIME (ms)
I
LOAD
(A)
I
LOAD
V
OUT
V
IN
= 12V
Typical Performance Characteristics www.ti.com
Load Transient at V
IN
= 5V Load Transient at V
IN
= 12V
Input Transient at I
load
= 3A and V
OUT
= 5V Input Transient at I
load
= 3A and V
OUT
= 12V
Steady State Operation at V
IN
= 4.5V and I
load
= 1.25A Steady State Operation at V
IN
= 25V and I
load
= 3A
6
AN-2094 LM3481 SEPIC Evaluation Board SNVA461A–September 2011–Revised April 2013
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