Data Sheet
May 16, 2008
HW/HC004/005/006 Series DC-DC Power Module:
18-36Vdc & 36-75Vdc Input; 1.0V-5Vdc Output; 4A - 6A Output Current
Characteristic Curves
(continued)
The following figures provide typical characteristics for the HW005A0F (3.3V, 5A) at 25ºC. The figures are identical
for either positive or negative Remote On/Off logic.
90
88
86
6
84
82
80
78
76
74
72
70
0
1
2
3
4
5
V
I
= 36V
V
I
= 54V
V
I
= 75V
OUTPUT CURRENT, Io (A)
5
4
3
2
1
0
0
10
20
30
40
50
60
70
80
O
EFFICIENCY,
η
(%)
3.0 m/s (600 ft./min.)
2.0 m/s (400 ft./min.)
1.0 m/s (200 ft./min.)
NATURAL CONVECTION
90
100
110
OUTPUT CURRENT, I
O
(A)
AMBIENT TEMPERATURE, T
A
C
Figure 7. Converter Efficiency versus Output Current
Figure 10. Derating Output Current versus Local
Ambient Temperature and Airflow
INPUT VOLTAGE, OUTPUT VOLTAGE
OUTPUT VOLTAGE,
V
O
(V) (20mV/div)
V
IN
(V) (50V/div)
V
O
(V) (1V/div)
TIME, t (1μs/div)
TIME, t (20ms/div)
Figure 8. Typical Output Ripple and Noise.
Figure 11. Typical Start-Up with application of Vin.
OUTPUT CURRENT, OUTPUT VOLTAGE
OUTPUT VOLTAGE
On/Off VOLTAGE
V
O
(V) (50mV/div)
V
ON/OFF
(V) (5V/div)
I
O
(A) (2A/div)
V
O
(V) (1V/div)
TIME, t (50μs/div)
TIME, t (20ms/div)
Figure 9. Transient Response to Dynamic Load
Change from 50% to 75% to 50% of full load.
Figure 12. Typical Start-Up Using Remote On/Off,
negative logic version shown.
LINEAGE
POWER
7
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
