Data Sheet
HW/HC004/005/006 Series DC-DC Power Module:
May 16, 2008
18-36Vdc & 36-75Vdc Input; 1.0V-5Vdc Output; 4A - 6A Output Current
Characteristic Curves
The following figures provide typical characteristics for the HW004A0A (5.0V, 4A) at 25ºC. The figures are identical
for either positive or negative Remote On/Off logic.
90
88
86
84
82
80
78
76
74
72
70
5
4
3
2
1
0
VI =36V
VI = 54V
VI = 75V
3.0 m/s (600 ft./min.)
2.0 m/s (400 ft./min.)
1.0 m/s (200 ft./min.)
NATURAL CONVECTION
0
10
20
30
40
50
60
70
80
90
100 110
0
1
2
3
4
OUTPUT CURRENT, IO (A)
AMBIENT TEMPERATURE, TA OC
Figure 1. Converter Efficiency versus Output Current
Figure 4. Derating Output Current versus Local
Ambient Temperature and Airflow
TIME, t (20ms/div)
TIME, t (1μs/div)
Figure 2. Typical Output Ripple and Noise.
Figure 5. Typical Start-Up with application of Vin.
TIME, t (20ms/div)
TIME, t (50μs/div)
Figure 3. Transient Response to Dynamic Load
Change from 50% to 75% to 50% of full load.
Figure 6. Typical Start-Up Using Remote On/Off,
negative logic version shown.
LINEAGE POWER
6
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
