Manual
GE
Preliminary Data Sheet
3A Analog PicoDLynx
TM
: Non-Isolated DC-DC Power Modules
3Vdc –14.4Vdc input; 0.6Vdc to 5.5Vdc output; 3A Output Current
December 7, 2012 ©2012 General Electric Company. All rights reserved. Page 10
Characteristic Curves
The following figures provide typical characteristics for the 3A Analog PicoDLynx
TM
at 3.3Vo and 25
o
C.
EFFICIENCY, η (%)
OUTPUT CURRENT, Io (A)
OUTPUT CURRENT, I
O
(A) AMBIENT TEMPERATURE, T
A
O
C
Figure 25. Converter Efficiency versus Output Current.
Figure 26. Derating Output Current versus Ambient
Temperature and Airflow.
OUTPUT VOLTAGE
V
O
(V) (20mV/div)
OUTPUT CURRENT OUTPUTVOLTAGE
I
O
(A) (1Adiv) V
O
(V) (50mV/div)
TIME, t (1μs/div) TIME, t (20μs /div)
Figure 27. Typical output ripple and noise (C
O
=10F ceramic,
V
IN
= 12V, I
o
= I
o,max,
).
Figure 28. Transient Response to Dynamic Load Change
from 50% to 100% at 12Vin, Cout-2x47uF, CTune-2200pF &
RTune-261
OUTPUT VOLTAGE ON/OFF VOLTAGE
V
O
(V) (1V/div) V
ON/OFF
(V) (5V/div)
OUTPUT VOLTAGE INPUT VOLTAGE
V
O
(V) (1V/div) V
IN
(V) (5V/div)
TIME, t (2ms/div) TIME, t (2ms/div)
Figure 29. Typical Start-up Using On/Off Voltage (I
o
= I
o,max
).
Figure 30. Typical Start-up Using Input Voltage (V
IN
= 12V, I
o
= I
o,max
).
75
80
85
90
95
100
00.511.522.53
Vin=4.5V
Vin=14.4V
Vin=12V
1.5
2.0
2.5
3.0
3.5
55 65 75 85 95 105
1.5m/s
(300LFM)
NC
Standard
Part (85° C)
Ruggedized (D)
Part (105° C)
0.5m/s
(100LFM)
1m/s
(200LFM)