Data Sheet
June 26,
2009
HW006/010/012 Series Power Modules; dc-dc Converters
36-75 Vdc Input; 1.2 Vdc to 5 Vdc Output; 6.6A to 12A
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
INPUT CURRENT, I
I
(A)
0.5
0.4
0.3
0.2
0.1
I
O
= 0.15A
0
25
30
35
40
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) (200 mV/div)
TIME, t (200 µs/div)
Figure 1.
Input Voltage and Current Characteristics.
Figure 4.
Transient Response to Step Decrease in
Load from 50% to 25% of Full Load
(VI = 48 Vdc).
86
84
(%)
82
80
78
76
74
72
V
I
= 36V
V
I
= 48V
EFFICIENCY,
V
I
= 75V
70
0
2
4
6
8
OUTPUT CURRENT, I
O
(A)
10
12
OUTPUT CURRENT,
I
O
(A) (5 A/div)
OUTPUT VOLTAGE,
V
O
(V) (200 mV/div)
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).
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) (1 V/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).
6
Lineage Power