English
Language : 

JHW250S30R21-18T Datasheet, PDF (6/14 Pages) Lineage Power Corporation – 36 - 75 Vdc Input; 30.2Vdc Output; 250W
JHW250S30R2 Power Module; dc-dc Converter
36 – 75 Vdc Input; 30.2Vdc Output; 250W
Data Sheet
October 6, 2005
Characteristic Curves
The following figures provide typical characteristics for the JHW250S30R21-18T (30.2V, 8.3A) at 25°C. The figures
show negative Remote On/Off logic version.
9
8
7
Io = 8.3A
6
5
4
Io = 4.2A
3
2
1
Io = 0A
0
25
35
45
55
65
INPUT VOLTAGE, VO (V)
Figure 1. Typical Input Characteristic at Room
Temperature
94
90
Vin = 36V
86
Vin = 48V
82
78
Vin = 75V
74
70
0
1
2
3
4
5
6
7
8
OUTPUT CURRENT, IO (A)
Figure 2. Typical Converter Efficiency Vs. Output
current at Room Temperature
75
TIME, t (10 ms/div)
Figure 4. Typical Start-Up Using Remote On/Off,
negative logic, C = 14x150µF
o,ext
9
TIME, t (10 ms/div)
Figure 5. Typical Start-Up With Application of Vin, C
o,ext
= 14x150µF, Remote On/Off = On.
75 Vin
48 Vin
36 Vin
TIME, t (1μs/div)
Figure 3. Typical Output Ripple and Noise at Room
Temperature, Io = Io,max, Co,ext = Co,min = 1000µF
TIME, t (1 ms/div)
Figure 6. Typical Transient Response to a Load
Change from 1A to 8.3A at 5A/10μs, Room
Temperature, C = 14x150µF
o ext
6
Tyco Electronics Power Systems