Data Sheet
March 26, 2008
KW010/015/020/025 Series Power Modules:
36 – 75Vdc Input; 1.2 to 5.0Vdc Output; 10 to 25A Output current
Characteristic Curves
The following figures provide typical characteristics for the KW010A0A (5V, 10A) at 25
o
C. The figures are identical
for either positive or negative remote On/Off logic.
95
Vin =36V
12
2.0 m/s
(400 lfm)
10
85
Vin =48V
80
Vin =75V
OUTPUT CURRENT, Io (A)
90
EFFICIENCY,
η
(%)
8
NC
0.5 m/s
(100 lfm)
1.0 m/s
(200 lfm)
75
6
70
0
2
4
6
8
10
4
20
30
40
50
60
70
O
80
90
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.
On/Off VOLTAGE
OUTPUT VOLTAGE
V
On/off
(V) (2V/div)
V
O
(V) (2V/div)
OUTPUT VOLTAGE
V
O
(V) (20mV/div)
TIME, t (1μs/div)
TIME, t (5ms/div)
Figure 2. Typical output ripple and noise (V
IN
= V
IN,NOM
,
I
o
= I
o,max
).
Figure 5. Typical Start-up Using Remote On/Off,
negative logic version shown (V
IN
= V
IN,NOM
, I
o
=
I
o,max
).
OUTPUT VOLTAGE
V
O
(V) (20mV/div)
INPUT VOLTAGE
OUTPUT VOLTAGE
OUTPUT CURRENT,
Io (A) (5A/div)
TIME, t (100
μs
/div)
V
O
(V) (2V/div)
V
IN
(V) (2V/div)
TIME, t (5ms/div)
Figure 3. Transient Response to Dynamic Load
Change from 75% to 50% to 75% of full load.
Figure 6. Typical Start-up Using Input Voltage (V
IN
=
V
IN,NOM
, I
o
= I
o,max
).
LINEAGE
POWER
6
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
