PTB78520W Datasheet, PDF (4/15 Pages) Texas Instruments – 20-A, 18–60-V Input Auto-Track Compatible Isolated DC/DC Converter

PTB78520W
Not Recommended for New Designs
Typical Characteristics
20-A, 18–60-V Input Auto-Track
Compatible Isolated DC/DC Converter
SLTS226A – JULY 2004 – REVISED OCTOBER 2005
Characteristic
Data;
V
IN
=24
V
(See
Note
A)
Efficiency vs. Load Current (IO Bus)
100
90
V_OUT
80
3.3V
2.5V
2.0V
70
1.8V
60
50
0
4
8
12
16
20
Io Bus - (A)
Output Ripple vs. Load Current (IO Bus)
50
40
V_OUT
30
3.3V
2.5V
2.0V
20
1.8V
10
0
0
4
8
12
16
20
Io Bus - (A)
Power Dissipation vs. Load Current (I_O Bus)
12
10
V_OUT
8
3.3V
2.5V
6
2.0V
1.8V
4
2
0
0
4
8
12
16
20
Io Bus - (A)
Characteristic
Data;
V
IN
=48
V
(See
Note
A)
Efficiency vs. Load Current (IO Bus)
100
90
V_OUT
80
3.3V
2.5V
2.0V
70
1.8V
60
50
0
4
8
12
16
20
Io Bus - (A)
Output Ripple vs. Load Current (IO Bus)
50
40
V_OUT
30
3.3V
2.5V
2.0V
20
1.8V
10
0
0
4
8
12
16
20
Io Bus - (A)
Power Dissipation vs. Load Current (I_O Bus)
12
10
V_OUT
8
3.3V
2.5V
6
2.0V
1.8V
4
2
0
0
5
10
15
20
Io Bus - (A)
Note A: All data listed in the above graphs has been developed from actual products tested at 25 °C. This data is considered typical data for the DC-DC Converter.
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