GE Industrial Solutions KNW015A0F (Sixteenth-Brick) - Manual (Page 5)

Data Sheet
February 28, 2011
KNW015A0F Series Power Modules:
36 – 75Vdc Input; 3.3Vdc Output; 15A Output Current
LINEAGE POWER 5
Characteristic Curves
The following figures provide typical characteristics for the KNW015A0F (3.3V, 15A) at 25 O C . The figures are
identical for either positive or negative remote On/Off logic.
EF
FI
CI
EN
C
Y
, 
(%)
OUTPUT
CURR
E
N
T
, I
o
(A
)
4
6
8
10
12
14
16
20 30 40 50 60 70 80 90
0.5m/s
1.0m/s
(200 LFM)
2.0m/s
(400 LFM)
NC
OUTPUT CURRENT, I
O
(A) AMBIENT TEMPERATURE, T
A
O C
Figure 1. Converter Efficiency versus Output Current. Figure 4. Derating Output Current versus Local
Ambient Temperature and Airflow.
OU
T
P
U
T
VOL
T
A
G
E
V
O
(
V
)
(2
0
m
V
/d
iv
)
OUTP
UT
VOLTAGE
On
/Off
V
O
LTA
G
E
V
O
(V
) (1V
/div)
V
On/o
ff
(V
)
(2
V
/d
iv
)
TIME, t (1 s/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
).
OUT
P
UT
CU
RR
EN
T
OU
TP
UT
VO
LTAG
E
Io
(A
) (
5A
/d
iv)
V
O
(
V
)
(10
0
mV
/div)
OUTPU
T
V
O
L
T
AG
E
IN
PU
T V
O
L
T
A
G
E
V
O
(
V
) (1V
/di
v)
V
IN
(
V
)
(2
0
V
/d
iv
)
TIME, t (200 s /div) TIME, t (5ms/div)
Figure 3. Transient Response to Dynamic Load
Change, 1.0A/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 ).