GE Industrial Solutions KNW013-020 (Sixteenth-Brick) - Manual (Page 5)

Data Sheet
August 22, 2011
KNW013-020 Series Power Modules; DC-DC Converters
36 – 75V
dc
Input; 3.3 to 5.0V
dc
Output; 13 to 20A Output Current
LINEAGE POWER 5
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.
EF
FI
C
IEN
C
Y
, 
(%)
70
75
80
85
90
95
0 3 6 9 12 15
Vin=48V
Vin=36V
Vin=75V
O
U
TPU
T
CUR
RE
NT
, Io
(A
)
0
2
4
6
8
10
12
14
20 30 40 50 60 70 80 90
2.0 m/s
400 LFM
1.0 m/s
200 LFM
0.5 m/s
100 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
V
O
LTAGE
On
/Off VOL
T
AGE
V
O
(
V
) (2V
/div)
V
On/o
ff
(V
) (2
V
/d
iv
)
TIME, t (1 s/div) TIME, t (10ms/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 ).
O
U
TPU
T
CU
RRE
NT
OU
TP
UT
VO
LT
AGE
Io (A
) (10A
/div)
V
O
(V
) (
200
mV
/d
iv)
OUT
P
UT VOLTAGE
INP
U
T VOLTAGE
V
O
(
V
)
(2
V
/div
)
V
IN
(
V
) (
20V
/div)
TIME, t (200 s /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 ).