Data Sheet
June 3, 2009
Austin MegaLynx
TM
SMT: Non-Isolated DC-DC Power Modules:
4.5 – 5.5Vdc input; 0.8 to 3.63Vdc Output; 30A output current
6.0 – 14Vdc Input; 0.8Vdc to 3.63Vdc Output; 20/30A output
Characteristic Curves
The following figures provide typical characteristics for the ATH030A0X3-SR and –SRH (1.8V, 30A) at 25
o
C.
95
35
30
90
Vin = 4.5 V
Vin = 5.0 V
OUTPUT CURRENT, Io (A)
EFFICIENCY,
η
(%)
25
20
15
10
5
0
35
45
55
0.5m/s
100LFM
1m/s
200LFM
1.5m/s
300LFM
2m/s
400LFM
2.5m/s
500LFM
85
Vin = 5.5 V
80
75
0
5
10
15
20
25
30
65
O
75
85
OUTPUT CURRENT, I
O
(A)
AMBIENT TEMPERATURE, T
A
C
Figure 31. Converter Efficiency versus Output
Current.
Figure 34. Derating Output Current versus Ambient
Temperature and Airflow (ATH030A0X3-SRH).
35
OUTPUT CURRENT, Io (A)
30
25
20
15
10
5
0
35
45
55
65
O
OUTPUT VOLTAGE
V
O
(V) (20mV/div)
0.5m/s
(100LFM)
1m/s
(200LFM)
1.5m/s
(300LFM)
2m/s
2.5m/s
(400LFM) (500LFM)
75
85
TIME, t (1μs/div)
AMBIENT TEMPERATURE, T
A
C
Figure 32. Typical output ripple and noise (V
IN
=
V
IN,NOM
, I
o
= I
o,max
).
Figure 35. Derating Output Current versus Ambient
Temperature and Airflow (ATH030A0X3-SR).
OUTPUT CURRENT, OUTPUT VOLTAGE
OUTPUT VOLTAGE
INPUT VOLTAGE
V
O
(V) (100mV/div)
I
O
(A) (5A/div)
V
IN
(V) (2V/div)
V
O
(V) (0.5V/div)
TIME, t (10μs /div)
TIME, t (2ms/div)
Figure 33. Transient Response to Dynamic Load
Change from 0% to 50% of full load with V
IN
=5V.
Figure 36. Typical Start-up Using Input Voltage (V
IN
=
V
IN,NOM
, I
o
= I
o,max
).
LINEAGE
POWER
12
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
