GE Industrial Solutions Austin MegaLynx SMT - Manual (Page 11)

Data Sheet
September 10, 2013 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
LINEAGE POWER 11
Characteristic Curves
The following figures provide typical characteristics for the ATS020A0X3-SR and –SRH (3.3V, 20A) at 25 o C.
EF
FI
CI
EN
C
Y
, η
(
%
)
OUT
P
UT
C
URR
E
N
T, Io
(A
)
OUTPUT CURRENT, I
O
(A) AMBIENT TEMPERATURE, T
A
O C
Figure 19. Converter Efficiency versus Output
Current. Figure 22. Output Current Derating versus Ambient
Temperature and Airflow (ATS020A0X3-SRH).
O
U
T
P
UT
VO
LT
AG
E
V
O
(V
) (2
0m
V
/d
iv
)
O
U
TPU
T
CUR
RE
NT
, Io
(A
)
TIME, t (1 μs/div) AMBIENT TEMPERATURE, T
A
O C
Figure 20. Typical output ripple and noise (V
IN
=
V
IN,NOM
, I
o
= I
o,max
).
Figure 23. Output Current Derating versus Ambient
Temperature and Airflow (ATS020A0X3-SR).
OUT
P
UT
CU
RR
E
N
T
,
OU
TPU
T
VOLT
A
G
E
I O
(
A
)
(5
A
/di
v)
V O
(V
) (
100mV/
d
iv)
I
N
PU
T
VO
LTA
G
E
O
U
TPU
T
VO
LT
AG
E
V
IN
(
V
) (
5V
/div)
V
O
(V)
(1
V
/div
)
TIME, t (20 μs /div) TIME, t (5ms/div)
Figure 21. Transient Response to Dynamic Load
Change from 0% to 50% of full load with V
IN
=12V.
Figure 24. Typical Start-up Using Input Voltage (V
IN
=
V
IN,NOM
, I
o
= I
o,max
).
70
75
80
85
90
95
100
0 5 10 15 20
Vin = 12 V
Vin = 6 V
Vin = 14 V
0
5
10
15
20
25
30 40 50 60 70 80
NC 0.5m/s
(100LFM)
1m/s
(200LFM)
1.5m/s
(300LFM)
2m/s
(400LFM)
2.5m/s
(500LFM)
0
5
10
15
20
25
30 40 50 60 70 80
NC
0.5m/s
(100LFM)
1m/s
(200LFM)
1.5m/s
(300LFM) 2m/s
(400LFM)
2.5m/s
(500LFM)