Manual

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 9
Characteristic Curves (continued)
The following figures provide typical characteristics for the 12V Micro TLynx
TM
at 1.8Vo and at 25
o
C.
EFFICIENCY, η (%)
OUTPUT CURRENT, Io (A)
OUTPUT CURRENT, I
O
(A) AMBIENT TEMPERATURE, T
A
O
C
Figure 13. Converter Efficiency versus Output Current.
Figure 14. Derating Output Current versus Ambient
Temperature and Airflow.
OUTPUT VOLTAGE
V
O
(V) (20mV/div)
OUTPUT CURRENT, OUTPUT VOLTAGE
I
O
(A) (5Adiv) V
O
(V) (200mV/div)
TIME, t (1μs/div) TIME, t (100μs /div)
Figure 15. Typical output ripple and noise (V
IN = 12V, Io =
I
o,max).
Figure 16. Transient Response to Dynamic Load Change from
0% to 50% to 0%.
ON/OFF VOLTAGE OUTPUT VOLTAGE V
ON/OFF
(V) (2V/div) V
O
(V) (500mV/div)
INPUT VOLTAGE OUTPUT VOLTAGE V
IN
(V) (5V/div) V
O
(V) (500mV/div)
TIME, t (1 ms/div) TIME, t (1 ms/div)
Figure 17. Typical Start-up Using On/Off Voltage (Io = Io,max).
Figure 18. Typical Start-up Using Input Voltage (V
IN = 12V, Io =
I
o,max).
70
75
80
85
90
95
100
024681012
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)