HW006/010/012 Series Power Modules; dc-dc Converters
36-75 Vdc Input; 1.2 Vdc to 5 Vdc Output; 6.6A to 12A
Data Sheet
June 26, 2009
Characteristic Curves
The following figures provide typical characteristics curves for the HW012A0Y1 (VO = 1.8 V) module at room temperature (TA
= 25 °C)
1.2
1
0.8
I
O
= 12A
= 6A
0.6
0.4
0.2
0
I
O
I
O
= 0.15A
50
25
30
35
40
45
55
60
(V)
65
70
75
TIME, t (200 ms/div)
INPUT VOLTAGE, V
I
Figure 16. Transient Response to Step Decrease in
Load from 50% to 25% of Full Load
(VI = 48 Vdc).
Figure 13. Input Voltage and Current Characteristics.
90
88
86
84
82
80
78
V
V
V
I
I
I
= 36V
= 48V
= 75V
76
74
72
70
0
2
4
6
8
10
12
OUTPUT CURRENT, IO (A)
TIME, t (200 ms/div)
Figure 14. Converter Efficiency vs. Output Current.
Figure 17. Transient Response to Step Increase in
Load from 50% to 75% of Full Load
(VI = 48 Vdc).
TIME, t (1 µs/div)
TIME, t (10 ms/div)
Figure 15. Output Ripple Voltage (IO = IO, max).
Figure 18. Start-up from Remote On/Off (IO = IO, max).
Lineage Power
8