Data Sheet
June 26, 2009
Characteristic Curves
HW006/010/012 Series Power Modules; dc-dc Converters
36-75 Vdc Input; 1.2 Vdc to 5 Vdc Output; 6.6A to 12A
The following figures provide typical characteristics curves for the HW012A0M1 (VO = 1.5 V) module at room temperature (TA =
25 °C)
0.9
0.8
INPUT CURRENT, I
I
(A)
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
25
30
35
40
I
O
= 0.15A
45
50
55
60
INPUT VOLTAGE, V
I
(V)
65
70
75
I
O
= 6A
I
O
= 12A
OUTPUT CURRENT,
I
O
(A) (2 A/div)
OUTPUT VOLTAGE,
V
O
(V) (100 mV/div)
TIME, t (200 ms/div)
Figure 7.
Input Voltage and Current Characteristics.
Figure 10. Transient Response to Step Decrease in
Load from 50% to 25% of Full Load
(VI = 48 Vdc).
90
88
86
(%)
84
82
80
78
76
74
72
70
0
2
4
6
8
10
12
V
I
= 36V
V
I
= 48V
V
I
= 75V
EFFICIENCY,
OUTPUT CURRENT, I
O
(A)
OUTPUT CURRENT,
I
O
(A) (5 A/div)
OUTPUT VOLTAGE,
V
O
(V) (100 mV/div)
TIME, t (200 ms/div)
Figure 8.
Converter Efficiency vs. Output Current.
Figure 11. Transient Response to Step Increase in Load
from 50% to 75% of Full Load
(VI = 48 Vdc).
OUTPUT VOLTAGE,
V
O
(V) (10 mV/div)
TIME, t (1 µs/div)
REMOTE ON/OFF,
V
ON/OFF
(V) (5 V/div)
OUTPUT VOLTAGE,
V
O
(V) (0.5 V/div)
TIME, t (10 ms/div)
Figure 9.
Output Ripple Voltage (IO = IO, max).
Figure 12. Start-up from Remote On/Off (IO = IO, max).
Lineage Power
7
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
