Data Sheet
September 9, 2008
KW0006-010 Series Power Modules:
36 – 75Vdc Input; 3.3 to 5.0Vdc Output; 6 to 10A Output Current
Characteristic Curves
(continued)
The following figures provide typical characteristics for the KW006A0A (5.0V, 6A) at 25
o
C. The figures are identical
for either positive or negative remote On/Off logic.
90
Vin = 36V
85
7.0
OUTPUT CURRENT, Io (A)
6.0
5.0
4.0
3.0
2.0
1.0
0.0
20
30
40
50
60
70
O
EFFICIENCY,
η
(%)
Vin = 48V
80
Vin = 75V
75
NC
0.5 m/s
(100 lfm)
1.0 m/s
(200 lfm)
2.0 m/s
(400 lfm)
3.0 m/s
(600 lfm)
90
70
0
1
2
3
4
5
6
80
OUTPUT CURRENT, I
O
(A)
AMBIENT TEMPERATURE, T
A
C
Figure 7. Converter Efficiency versus Output Current.
Figure 10. Derating Output Current versus Local
Ambient Temperature and Airflow.
On/Off VOLTAGE
OUTPUT VOLTAGE
V
o
(V) (2V/div)
V
ON/OFF
(V) (5V/div)
OUTPUT VOLTAGE
V
O
(V) (20mV/div)
TIME, t (1μs/div)
TIME, t (5ms/div)
Figure 8. Typical output ripple and noise (V
IN
= V
IN,NOM
,
I
o
= I
o,max
).
Figure 11. Typical Start-up Using Remote On/Off,
negative logic version shown (V
IN
= V
IN,NOM
, I
o
= I
o,max
).
OUTPUT CURRENT, OUTPUT VOLTAGE
V
O
(V) (50mV/div)
INPUT VOLTAGE
OUTPUT VOLTAGE
Io(A) (2A/div)
TIME, t (1ms/div)
V
IN
(V) (50V/div)
V
o
(V) (2V/div)
TIME, t (5ms/div)
Figure 9. Transient Response to Dynamic Load
Change from 50% to 75% to 50% of full load with an
external 470uF tantalum capacitor (dI/dt =1.0A/
μs)
.
Figure 12. Typical Start-up Using Input Voltage (V
IN
=
V
IN,NOM
, I
o
= I
o,max
).
LINEAGE
POWER
6
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
