GE Industrial Solutions Austin MegaLynx SMT - Manual (Page 13)

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 13
Characteristic Curves
The following figures provide typical characteristics for the ATH030A0X3-SR and –SRH (1.8V, 30A) at 25 o C.
E
FFI
CIE
N
C
Y
, η
(%)
O
U
TPU
T
CUR
RE
NT
, Io
(A
)
OUTPUT CURRENT, I
O
(A) AMBIENT TEMPERATURE, T
A
O C
Figure 31. Converter Efficiency versus Output
Current. Figure 34. Derating Output Current versus Ambient
Temperature and Airflow (ATH030A0X3-SRH).
O
U
T
P
UT
VO
LT
AG
E
V
O
(V) (
20
m
V
/di
v)
O
U
TPU
T
CUR
RE
NT,
Io
(A
)
TIME, t (1 μs/div) AMBIENT TEMPERATURE, T
A
O 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).
OU
TP
U
T
CU
RR
ENT,
O
U
TP
U
T
V
O
L
T
A
G
E
I O
(
A
)
(5
A
/d
iv)
V
O
(V
) (1
00
m
V
/d
iv
)
IN
PU
T
VO
LTA
G
E
O
U
TPU
T
VOLTAG
E
V IN
(
V
)
(2
V
/d
iv
)
V
O
(
V
)
(0
.5
V
/d
iv)
TIME, t (10 μs /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
).
75
80
85
90
95
0 5 10 15 20 25 30
Vin = 4.5 V
Vin = 5.0 V
Vin = 5.5 V
0
5
10
15
20
25
30
35
35 45 55 65 75 85
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
35
35 45 55 65 75 85
0.5m/s
(100LFM) 1m/s
(200LFM) 1.5m/s
(300LFM) 2m/s
(400LFM)
2.5m/s
(500LFM)