Data Sheet
June 16, 2009
Austin Lynx
TM
24V: Non-isolated Power Modules:
18/20– 30Vdc input; 3.0 – 6.0Vdc & 5.0 – 15.0Vdc Output; 30& 50W
Characteristic Curves
(continued)
The following figures provide typical characteristics for the AXB050X module at 12V, 4A and 25
o
C.
100
5
OUTPUT CURRENT, Io (A)
95
4
3
2
1
0
20
30
40
50
60
70
80
90
O
AMBIENT TEMPERATURE, T
A
C
100
NC
100 lfm
(0.5m/s)
EFFICIENCY,
η
(%)
90
Vin=20V
85
80
75
70
0
Vin=30V
Vin=24V
OUTPUT CURRENT, I
O
(A)
1
2
3
4
Figure 13. Converter Efficiency versus Output
Current.
Figure 16. Derating Output Current versus Local
Ambient Temperature and Airflow.
On/Off VOLTAGE OUTPUT VOLTAGE
V
On/off
(V) (10V/div) V
O
(V) (5V/div)
OUTPUT VOLTAGE
V
O
(V) (10mV/div)
TIME, t (1μs/div)
TIME, t (2ms/div)
Figure 14. Typical output ripple and noise (V
IN
=
V
IN,NOM
, I
o
= I
o,max
).
OUTPUT CURRENT OUTPUT VOLTAGE
I
O
(A) (2A/div)
V
O
(V) (100mV/div)
Figure 17. Typical Start-up Using Remote On/Off (V
IN
= V
IN,NOM
, I
o
= I
o,max
).
OUTPUTVOLTAGE
V
O
(V) (5V/div)
INPUT VOLTAGE
V
IN
(V) (20V/div)
TIME, t (10μs /div)
TIME, t (2ms/div)
F
igure 15. Transient Response to Dynamic Load
change from 50% to 100% of full load with di/dt of
5A/μs.
Figure 18. Typical Start-up Using Input Voltage (V
IN
= 20V, I
o
= I
o,max
).
LINEAGE
POWER
8