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
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
5
OUTPUT CURRENT, Io (A)
86
4
EFFICIENCY,
η
(%)
84
82
80
78
76
74
72
70
0
1
2
3
4
V
I
= 36V
V
I
= 54V
V
I
= 75V
3
2
1
3.0 m/s (600 ft./min.)
2.0 m/s (400 ft./min.)
1.0 m/s (200 ft./min.)
NATURAL CONVECTION
0
0
1
0
20
30
40
50
60
70
80
90
O
100
110
OUTPUT CURRENT, I
O
(A)
AMBIENT TEMPERATURE, T
A
C
Figure 1. Converter Efficiency versus Output Current
Figure 4. Derating Output Current versus Local
Ambient Temperature and Airflow
OUTPUT VOLTAGE
INPUT VOLTAGE
OUTPUT VOLTAGE,
V
O
(V) (20mV/div)
V
IN
(V) (50V/div)
V
O
(V) (2V/div)
TIME, t (1μs/div)
TIME, t (20ms/div)
Figure 2. Typical Output Ripple and Noise.
Figure 5. Typical Start-Up with application of Vin.
OUTPUT CURRENT, OUTPUT VOLTAGE
On/Off VOLTAGE OUTPUT VOLTAGE
V
O
(V) (50mV/div)
I
O
(A) (1A/div)
V
ON/OFF
(V) (5V/div)
V
O
(V) (2V/div)
TIME, t (50μs/div)
TIME, t (20ms/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 ]
