JFW100G1 Lineage Power, JFW100G1 Datasheet - Page 7

• Manufacturer Part Number: JFW100G1
• Manufacturer: Lineage Power

April 2008
Characteristic Curves
Figure 5. Typical JFW100G Converter Efficiency
Figure 6. Typical JFW150G Converter Efficiency
Lineage Power
77.0
76.0
75.0
74.0
73.0
72.0
71.0
70.0
69.0
68.0
67.0
79
78
77
76
75
74
73
72
71
70
69
68
2
3
3
vs. Output Current at Room Temperature
vs. Output Current at Room Temperature
4
5
8
6
7
OUTPUT CURRENT, I
OUTPUT CURRENT, I
8
13
9
10
dc-dc Converters; 36 to 75 Vdc Input; 2.5 Vdc Output; 25 W to 75 W
11
V
V
V
(continued)
I
I
I
= 36 V
= 54 V
= 75 V
12
18
13
V
V
V
I
I
I
O
= 75 V
= 36 V
= 48 V
O
(A)
14
(A)
15
23
16
17
18
8-2522 (C)
8-2455 (C)
28
19 20
Note: See Figure 12 for test conditions.
Figure 7. Typical JFW150G Output Ripple Voltage
Note: Tested with a 10 µF aluminum and a 1.0 µF ceramic capacitor
Figure 8. Typical JFW150G Transient Response to
22.5 A
across the load.
2.5 V
15 A
at Room Temperature, and I
Step Decrease in Load from 50% to 25%
of Full Load at Room Temperature and
48 V Input (Waveform Averaged to
Eliminate Ripple Component.)
V
V
V
I
I
I
= 36 V
= 48 V
= 75 V
TIME, t (500 ns/div)
TIME, t (200 µs/div)
O
= I
O, max
8-2456 (C)
8-2458 (C)
7