User Manual

GE
Data Sheet
12V PicoTLynx
TM
3A: Non-Isolated DC-DC Power Modules
4.5Vdc –14Vdc input; 0.59Vdc to 5.5Vdc output; 3A Output Current
May 2, 2013 ©2013 General Electric Company. All rights reserved. Page 8
Characteristic Curves
The following figures provide typical characteristics for the 12V PicoTLynx
TM
3A 1.8Vo and at 25
o
C.
EFFICIENCY, η (%)
70
75
80
85
90
95
00.511.522.53
Vin=14V
Vin=12V
Vin=4.5V
OUTPUT CURRENT, Io (A)
1
2
3
4
55 65 75 85 95 105
NC
1m/s
(200LFM)
Standard Part
(85°C)
Ruggedized (D)
Part (105°C)
0.5m/s
(100LFM)
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) (10mV/div)
OUTPUT CURRENT, OUTPUT VOLTAGE
I
O
(A) (1Adiv) V
O
(V) (100mV/div)
TIME, t (1μs/div) TIME, t (20μs /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) (5V/div) V
O
(V) (500mV/div)
INPUT VOLTAGE OUTPUT VOLTAGE V
IN
(V) (5V/div) V
O
(V) (500mV/div)
TIME, t (2ms/div) TIME, t (2ms/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).