GE Industrial Solutions 12V MicroTLynx 12A - Manual (Page 8)

GE
Data Sheet
12V MicroTLynx TM 12A: Non-Isolated DC-DC Power Modules
4.5Vdc –14Vdc input; 0.69Vdc to 5.5Vdc output; 12A Output Current
May 2, 2013 ©2013 General Electric Company. All rights reserved. Page 8
Characteristic Curves (continued)
The following figures provide typical characteristics for the 12V Micro TLynx TM at 1.2Vo and at 25 o C.
EFFICI
EN
CY,
η
(
%
)
OUT
PUT
C
U
RRENT
, I
o (
A)
OUTPUT CURRENT, I
O
(A) AMBIENT TEMPERATURE, T
A
O C
Figure 7. Converter Efficiency versus Output Current.
Figure 8. Derating Output Current versus Ambient
Temperature and Airflow.
OUTPUT
V
O
LTAG
E
V
O
(V) (20m
V/
di
v)
O
U
TPUT
CU
RR
EN
T,
OUTPUT
V
O
LTAG
E
I
O
(A
) (
5Adi
v)
V
O
(V
) (20
0mV/div)
TIME, t (1 μs/div) TIME, t (100 μs /div)
Figure 9. Typical output ripple and noise (V
IN
= 12V, I
o
= I
o,max
).
Figure 10. Transient Response to Dynamic Load Change
from 0% to 50% to 0%.
O
N
/O
FF
V
O
LT
AG
E
OUT
PU
T V
O
LT
AG
E
V ON/OFF
(V
) (
2V/
di
v)
V
O
(V
) (50
0mV/div
)
INP
U
T
VO
LT
AG
E
OUT
PU
T V
O
LT
AG
E
V
IN
(V
) (
5V
/div)
V O
(V
) (500
mV/div
)
TIME, t (1 ms/div) TIME, t (1 ms/div)
Figure 11. Typical Start-up Using On/Off Voltage (I
o
= I
o,max
).
Figure 12. Typical Start-up Using Input Voltage (V
IN
= 12V, I
o
= I
o,max
).
70
75
80
85
90
95
0 2 4 6 8 10 12
Vin=14V
Vin=12V
Vin=4.5V
4
6
8
10
12
14
55 65 75 85 95 105
Standard Part
(85 ° C)
Ruggedized (D)
Part (105 ° C)
NC
0.5m/s
(100LFM)
1m/s
(200LFM)
1.5m/s
(300LFM)
2m/s
(400LFM)