Data Sheet
KNW013-020 Series Power Modules:
June 29, 2009
36 – 75Vdc Input; 3.3 to 5.0Vdc Output; 13 to 20A Output Current
Characteristic Curves
The following figures provide typical characteristics for the KNW020A0F (3.3V, 20A) at 25OC. The figures are
identical for either positive or negative remote On/Off logic.
95
20
90
15
NC
0.5 m/s
100 LFM
85
Vin=75V
10
5
Vin=48
Vin=36V
80
75
70
1.0 m/s
200 LFM
2.0 m/s
400 LFM
0
0
5
10
15
20
20
30
40
50
60
70
80
90
OUTPUT CURRENT, IO (A)
AMBIENT TEMPERATURE, TA OC
Figure 7. Converter Efficiency versus Output Current.
Figure 10. Derating Output Current versus Local
Ambient Temperature and Airflow.
TIME, t (5ms/div)
TIME, t (1μs/div)
Figure 8. Typical output ripple and noise (VIN = VIN,NOM, Figure 11. Typical Start-up Using Remote On/Off,
negative logic version shown (VIN = VIN,NOM, Io = Io,max).
Io = Io,max).
TIME, t (5ms/div)
TIME, t (200 μs /div)
Figure 9. Transient Response to Dynamic Load
Figure 12. Typical Start-up Using Input Voltage (VIN =
Change, 0.1A/µS, from 75% to 50% to 75% of full load. VIN,NOM, Io = Io,max).
LINEAGE POWER
6
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
