Datasheet

0
5
10
15
20
25
I
L
− Load Current − A
Output Ripple − mV
10 20 30 40 600
V
O
= 1.8 V
V
O
= 1.2 V
50
0
3
6
9
12
15
I
L
− Load Current − A
− Power Dissipation − W
P
D
0 10 20 30 5040 60
V
O
= 1.8 V
V
O
= 1.2 V
50
60
70
80
90
100
Efficiency − %
I
L
− Load Current − A
V
O
= 2.5 V
V
O
= 1.5 V
V
O
= 1.2 V
V
O
= 1.8 V
0 10 20 30 40 50 60
T
A
− Ambient Temperature −
5
C
I
L
− Load Current − A
20
30
40
50
60
70
80
90
0 10 30 40 50
400 LFM
200 LFM
Nat Cinv
V
I
= 5 V
20 60
PTH04040W
www.ti.com SLTS238C –SEPTEMBER 2005–REVISED JUNE 2010
TYPICAL CHARACTERISTICS (V
I
= 5 V)
(1) (2)
EFFICIENCY OUTPUT RIPPLE POWER DISSIPATION
vs vs vs
LOAD CURRENT LOAD CURRENT LOAD CURRENT
Figure 5. Figure 6. Figure 7.
TEMPERATURE DERATING
vs
LOAD CURRENT
Figure 8. Safe Operating Area
(1) The electrical characteristic data has been developed from actual products tested at 25°C. This data is considered typical for the
converter. Applies to Figure 5, Figure 6, and Figure 7.
(2) SOA 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 4 inches × 4 inches double-sided PCB with 1 oz. copper. Applies to
Figure 8.
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