Data Sheet
October 21, 2009
Austin MegaLynx
TM
SMT: Non-Isolated DC-DC Power Modules:
2.7 – 4.0Vdc input; 0.8 to 2.0Vdc Output; 30A output current
Characteristic Curves
The following figures provide typical characteristics for the ATM030A0X3-SR and -SRH (1.25V, 30A) at 25
o
C.
95
90
Vin = 3.3V
Vin = 3.0V
35
30
2.5m/s
500 LFM
OUTPUT CURRENT, Io (A)
EFFICIENCY,
η
(%)
85
80
75
70
65
0
5
10
15
Vin = 3.9V
25
20
15
10
5
0
30
NC
0.5m/s
100 LFM
1m/s
200 LFM
1.5m/s
300 LFM
2.0m/s
400 LFM
20
25
30
40
50
60
O
70
80
OUTPUT CURRENT, I
O
(A)
AMBIENT TEMPERATURE, T
A
C
Figure 7. Converter Efficiency versus Output Current.
Figure 10. Derating Output Current versus Ambient
Temperature and Airflow (ATM030A0X3-SR).
35
2.5m/s (500LFM)
2m/s (400LFM)
OUTPUT CURRENT, Io (A)
OUTPUT VOLTAGE
30
NC
0.5m/s (100LFM)
V
O
(V) (20mV/div)
25
1m/s (200LFM)
1.5m/s (300LFM)
20
30
40
50
60
O
70
80
TIME, t (1μs/div)
AMBIENT TEMPERATURE, T
A
C
Figure 8. Typical output ripple and noise (V
IN
= V
IN,NOM
,
I
o
= I
o,max
).
OUTPUT VOLTAGE
V
O
(V) (200mV/div)
Figure 11. Derating Output Current versus Ambient
Temperature and Airflow (ATM030A0X3-SRH).
OUTPUT VOLTAGE
INPUT VOLTAGE
OUTPUT CURRENT,
I
O
(A) (5Adiv)
V
IN
(V) (1V/div)
V
O
(V) (1V/div)
TIME, t (50μs /div)
TIME, t (5ms/div)
Figure 9. Transient Response to Dynamic Load Change
from 0% to 50% to 0% of full load.
Figure 12. Typical Start-up Using Input Voltage (V
IN
=
V
IN,NOM
, I
o
= I
o,max
).
LINEAGE
POWER
7
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
