PTB48520W Datasheet, PDF (5/18 Pages) Texas Instruments – 25-A, 48-V INPUT ISOLATED DC/DC CONVERTER WITH AUTO-TRACK™ SEQUENCING

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PTB48520W
SLTS233A – NOVEMBER 2004 – REVISED APRIL 2005
TYPICAL CHARACTERISTICS
Characteristic Data; V_I = 48 V ⁽¹⁾
EFFICIENCY
vs
OUTPUT CURRENT (V_O Bus)
100
V_O = 3 V
V_O = 2.5 V
90
OUTPUT VOLTAGE RIPPLE
vs
OUTPUT CURRENT (V_O Bus)
50
40
80
V_O = 2 V
V_O = 1.8 V
70
30
V_O = 3.3 V
V_O = 2.5 V
20
60
10
50
0
0
5
10
15
20
25
0
I_O − Output Current − A
Figure 1.
POWER DISSIPATION
vs
OUTPUT CURRENT (V_O Bus)
10
8
V_O = 2 V
6
V_O = 2.5 V
V_O = 3.3 V
4
V_O = 1.8 V
V_O = 2 V
5
10
15
20 25
I_O − Output Current − A
Figure 2.
2
V_O = 1.8 V
0
0
5
10
15
20
25
I_O − Output Current − A
Figure 3.
(1) All data listed in Figure 1, Figure 2, and Figure 3 have been developed from actual products tested at 25°C. This data is considered
typical data for the dc-dc converter.
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