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 HW012A0P1 (VO = 1.2 V) module at room temperature (TA
= 25 °C).
0.7
0.6
0.5
I
O
= 12A
= 6A
0.4
0.3
0.2
0.1
0
I
I
O
O
= 0.15A
50
25
30
35
40
45
55
60
65
70
75
INPUT VOLTAGE, V
I
(V)
TIME, t (200 µs/div)
Figure 4. Transient Response to Step Decrease in
Load from 50% to 25% of Full Load
(VI = 48 Vdc).
Figure 1. Input Voltage and Current Characteristics.
86
84
V
V
I
I
= 36V
= 48V
82
80
78
76
74
72
70
VI
= 75V
10
0
2
4
6
8
12
OUTPUT CURRENT, IO (A)
TIME, t (200 µs/div)
Figure 2. Converter Efficiency vs. Output Current.
Figure 5. 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 3. Output Ripple Voltage (IO = IO, max).
Figure 6. Start-up from Remote On/Off (IO = IO, max).
Lineage Power
6