TYPICAL CHARACTERISTICS (12-V INPUT)(1)(2)
50
55
60
95
90
100
0
2
4
10
I
O
- Output Current - A
h
-
E
ff
ic
ie
n
c
y
-
%
65
70
75
6
8
85
80
V
O
= 5.0
V
O
(V)
5.0
3.3
1.2
0.7
V
O
= 0.7
V
O
= 1.2
V
O
= 3.3
0
2
4
10
I
O
- Output Current - A
6
8
V
O
(V)
5.0
3.3
1.2
0.7
V
O
= 5.0
V
O
= 1.2
V
O
= 3.3
10
30
90
110
50
70
V
O
= 0.7
V
O
–
O
u
tp
u
t
V
o
lt
a
g
e
R
ip
p
le
–
V
P
(m
V
)
0
2
4
10
I
O - Output Current - A
6
8
V
O (V)
5.0
3.3
1.2
0.7
V
O = 5.0
V
O = 0.7
V
O = 1.2
V
O = 3.3
0
1
4
5
P
D
-
P
o
w
e
r
D
is
s
ip
a
ti
o
n
-
W
2
3
0
2
4
10
I
O
- Output Current - A
6
8
20
30
50
60
80
90
40
70
T
A
-
A
m
b
ie
n
t
T
e
m
p
e
r
a
tu
r
e
-
°
C
Natural
Convection
200 LFM
400 LFM
100 LFM
V
O
= 5.0 V
400 LFM
200 LFM
100 LFM
Nat conv
Airflow
20
30
50
60
80
90
I
O
- Output Current - A
40
70
T
A
-
A
m
b
ie
n
t
T
e
m
p
e
r
a
tu
r
e
-
°
C
0
2
6
8
4
10
V
O
= 3.3 V
400 LFM
200 LFM
100 LFM
Nat conv
Airflow
Natural
Convection
200 LFM
400 LFM
100 LFM
20
30
50
60
80
90
I
O
- Output Current - A
40
70
T
A
-
A
m
b
ie
n
t
T
e
m
p
e
r
a
tu
r
e
-
°
C
0
2
6
8
4
10
V
O
= 0.7 V
400 LFM
200 LFM
100 LFM
Nat conv
Airflow
Natural
Convection
200 LFM
400 LFM
100 LFM
www.ti.com ....................................................................................................................................................... SLTS284E – AUGUST 2007 – REVISED APRIL 2009
EFFICIENCY
OUTPUT RIPPLE
POWER DISSIPATION
vs
OUTPUT CURRENT
Figure 1.
Figure 2.
Figure 3.
TEMPERATURE DERATING
vs
OUTPUT CURRENT
Figure 4.
Figure 5.
Figure 6.
(1)
The electrical characteristic data has been developed from actual products tested at 25°C. This data is considered typical for the
(2)
The temperature derating curves represent the conditions at which internal components are at or below the manufacturer's maximum
operating temperatures. Derating limits apply to modules soldered directly to a 100 mm × 100 mm double-sided PCB with 1 oz. copper.
Copyright 2007–2009, Texas Instruments Incorporated
5