Data Sheet
June 29, 2009
KNW013-020 Series Power Modules:
36 – 75Vdc Input; 3.3 to 5.0Vdc Output; 13 to 20A Output Current
Characteristic Curves
The following figures provide typical characteristics for the KNW013A0A (5V, 13A) at 25
o
C. The figures are identical
for either positive or negative remote On/Off logic.
95
14
12
OUTPUT CURRENT, Io (A)
90
EFFICIENCY,
η
(%)
10
8
6
4
2
0
20
30
NC
0.5 m/s
100 LFM
1.0 m/s
200 LFM
2.0 m/s
400 LFM
85
80
75
70
0
3
6
Vin=48V
Vin=36V
Vin=75V
9
12
15
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.
OUTPUT VOLTAGE On/Off 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 (10ms/div)
Figure 2. Typical output ripple and noise (V
IN
= V
IN,NOM
,
I
o
= I
o,max
).
OUTPUT CURRENT OUTPUT VOLTAGE
Figure 5. Typical Start-up Using Remote On/Off,
negative logic version shown (V
IN
= V
IN,NOM
, I
o
=
I
o,max
).
INPUT VOLTAGE
OUTPUT VOLTAGE
V
IN
(V) (20V/div)
V
O
(V) (2V/div)
Io (A) (10A/div)
V
O
(V) (200mV/div)
TIME, t (200
μs
/div)
TIME, t (5ms/div)
Figure 3. Transient Response to Dynamic Load
Change, 0.1A/µS, 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
5
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
