Data Sheet
Austin MegaLynxTM: Non-Isolated DC-DC Power Modules:
4.5 – 5.5Vdc input; 0.8 – 3.63Vdc output; 30A output current
6.0 – 14Vdc input; 0.8 – 5.5Vdc output; 25A output current
June 3, 2009
Characteristic Curves
The following figures provide typical characteristics for the ATH030A0X (3.3V, 30A) at 25oC.
99%
96%
93%
90%
87%
84%
81%
78%
75%
35
30
25
20
15
0.5m/s (100 LFM )
1.0m/s (200 LFM)
1.5m/s (300 LFM )
2.0m/s (400 LFM)
VIN = 4.5V
VIN = 5.0V
VIN =5.5V
10
5
20
30
40
50
60
70
80
90
0
6
12
18
2 4
3 0
OUTPUT CURRENT, IO (A)
AMBIENT TEMPERATURE, TA OC
Figure 31. Converter Efficiency versus Output
Current.
Figure 34. Derating Output Current versus Local
Ambient Temperature and Airflow.
TIME, t (2ms/div)
TIME, t (1μs/div)
Figure 32. Typical output ripple and noise (VIN =
VIN,NOM, Io = Io,max).
Figure 35. Typical Start-up Using Remote On/Off (VIN =
VIN,NOM, Io = Io,max).
TIME, t (2ms/div)
TIME, t (10μs /div)
Figure 33. Transient Response to Dynamic Load
Change from 0% to 50% to 0% of full load.
Figure 36. Typical Start-up Using Input Voltage (VIN =
VIN,NOM, Io = Io,max).
LINEAGE POWER
11
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
