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 (continued)
The following figures provide typical characteristics for the HC004A0A (5.0V, 4A) at 25ºC. The figures are identical for
either positive or negative Remote On/Off logic.
5
4
3
2
3.0 m/s (600 ft./min.)
2.0 m/s (400 ft./min.)
1.0 m/s (200 ft./min.)
Natural Convection
1
0
0
10
20
30
40
50
60
70
80
90
100 110
OUTPUT CURRENT, IO (A)
AMBIENT TEMPERATURE, TA OC
Figure 49. Converter Efficiency versus Output
Current.
Figure 52. Derating Output Current versus Local Ambient
Temperature and Airflow.
TIME, t (20ms/div)
TIME, t (1μs/div)
Figure 50. Typical Output Ripple and Noise.
Figure 53. Typical Start-Up with application of Vin.
TIME, t (20ms/div)
TIME, t (50μs/div)
Figure 51. Transient Response to Dynamic Load
Change from 50% to 75% to 50% of full load.
Figure 54. Typical Start-Up Using Remote On/Off,
negative logic version shown.
LINEAGE POWER
14