Data Sheet
September 20, 2004
JBW050F Power Modules: dc-dc Converter;
36 to 75 Vdc Input, 3.3 Vdc Output; 33 W
Characteristic Curves
The following figures provide typical characteristics for the power modules. The figures are identical for both on/off
configurations.
1.4
1.2
INPUT CURRENT, I
I
(A)
84
82
EFFICIENCY,
η
(%)
80
78
76
74
72
35
40
45
50
55
60
INPUT VOLTAGE, V
I
(V)
65
70
75
1-0698
1
0.8
0.6
0.4
0.2
0
30
V
I
= 36 V
V
I
= 48 V
V
I
= 75 V
70
0
1
2
3
4
5
6
7
OUTPUT CURRENT, I
O
(A)
8
9
10
1-0700
Figure 1. Typical Input Characteristics at Room
Temperature
Figure 3. Typical Converter Efficiency vs. Output
Current at Room Temperature
3.5
OUTPUT VOLTAGE, V
O
(V)
3
2.5
36 V
OUTPUT VOLTAGE,
V
O
(V) (20 mV/div)
2
1.5
1
0.5
0
0
1
2
3
4 5 6 7 8 9 10 11 12 13 14 15
OUTPUT CURRENT, I
O
(A)
1-0699
48 V
75 V
Figure 2. Typical Output Characteristics at Room
Temperature
TIME, t (1 µs/div)
1-0701
Figure 4. Typical Output Ripple Voltage at Room
Temperature, I
O
= Full Load
Tyco Electronics Power Systems
5
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
