Characteristic curves – GE Industrial Solutions 12V Mega TLynx User Manual
Page 9

Data Sheet
May 4, 2012
12V Mega TLynx
TM
: Non-Isolated DC-DC Power Modules:
6.0 – 14Vdc Input; 0.8Vdc to 3.63Vdc Output; 30A output
current
LINEAGE
POWER
9
Characteristic Curves
The following figures provide typical characteristics for the APTS030A0X3-SRPHZ at 3.3V out and 25
o
C.
EF
FI
CI
EN
C
Y
, η
(
%
)
70
75
80
85
90
95
100
0
5
10
15
20
25
30
Vin=14V
Vin=6V
Vin=12V
OUT
P
UT
C
URR
E
N
T, Io
(A
)
0
5
10
15
20
25
30
35
0
20
40
60
80
2m/s
(400LFM)
0.5m/s
(100LFM)
1.5m/s
(300LFM)
1m/s
(200LFM)
NC
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 at 12V in.
O
U
T
P
UT
VO
LT
AG
E
V
O
(V
) (2
0m
V
/d
iv
)
O
U
T
P
U
T
CU
RR
E
N
T,
OU
TP
U
T
VOL
T
A
G
E
I
O
(A
)
(5
Ad
iv
)
V
O
(V
) (2
00
mV
/d
iv
)
TIME, t (1
μs/div)
TIME, t (20
μs /div)
Figure 20. Typical output ripple and noise (V
IN
= 12V, I
o
= 30A, C
OUT
= 0.1μF // 47 μF ceramic capacitors).
Figure 23. Transient Response to Dynamic Load
Change from 0% to 50% to 0% with V
IN
=12V.
OUT
P
UT
VOLTAGE
ON
/OFF
VOLTAG
E
V
O
(
V
) (1
V/d
iv)
V
ON/
O
FF
(V) (2
V
/div
)
O
U
TP
U
T
VOLTAGE
IN
PU
T
VO
LT
AG
E
V
O
(
V
) (1
V/d
iv)
V
IN
(V)
(5V/d
iv
)
TIME, t (2ms/div)
TIME, t (2ms/div)
Figure 21. Typical Start-up Using On/Off Voltage (Io =
Io,max).
Figure 24. Typical Start-up Using Input Voltage (VIN =
14V, Io = Io,max).