JHW050FG Datasheet, PDF (6/17 Pages) Lineage Power Corporation – JHW050 Dual Positive Output-Series Power Modules dc-dc Converter: 36 Vdc to 75 Vdc Input, Dual Positive Outputs 50W

JHW050 Dual Positive Output-Series Power Modules: dc-dc
Converter: 36 Vdc to 75 Vdc Input, Dual Positive Outputs; 50W
Data Sheet
April 2008
Characteristic Curves – AF
The following figures provide typical characteristics for the JHW050AF. The figures are identical for either positive
or negative Remote On/Off logic.
OUTPUT VOLTAGE,
VO (V) (200 mV/div)
OUTPUT VOLTAGE,
VO (V) (200 mV/div)
OUTPUT CURRENT,
IO (A) (5 A/div)
TIME, t (5 ms/div)
1-0853
Figure 1. Typical Start-Up Using Remote On/Off.
TIME, t (50 µs/div)
1-0856
Figure 4. Typical VO2 Transient Response at 54 VIN,
Nominal Output Voltages, IO2 = 6A to 4A
to 6A, and IO1 = 4A
VO1 = 5 V
VO2 = 3.3 V
TIME, t (2 µs/div)
Figure 2. Typical Output Ripple and Noise.
1-0854
90
88
86
84
VI = 36 V
82
VI = 54 V
VI = 75 V
80
78
76
2
4
6
8
10
12
OUTPUT CURRENT, IO (A)
1-0857
Figure 5. Converter Efficiency vs. Total Output
Current IO1 = IO2
OUTPUT VOLTAGE,
VO (V) (200 mV/div)
OUTPUT VOLTAGE,
VO (V) (200 mV/div)
OUTPUT CURRENT,
IO (A) (5 A/div)
TIME, t (50 µs/div)
1-0855
Figure 3. Typical VO1 Transient Response at 54VIN,
Nominal Output Voltages, IO1 = 6A to 4A
to 6A, and IO2 = 4A.
6
90
89.5
89
88.5
88
87.5
87-40 _{-30 -20 -10 0 10 20 30 40 50 60 70 80 90}
AMBIENT TEMPERATURE (˚C)
1-0858
Figure 6. Converter Efficiency vs. Ambient
Temperature 54 VIN, IO1 = IO2 = 6A
Lineage Power