Owner manual
GE
Data Sheet
3A Di
g
ital PicoDL
y
nx
TM
: Non-Isolated DC-DC Power Modules
3Vdc –14.4Vdc input; 0.45Vdc to 5.5Vdc output; 3A Output Current
April 29, 2013 ©2013 General Electric Company. All rights reserved. Page 8
Characteristic Curves
The following figures provide typical characteristics for the 3A Digital PicoDLynx
TM
at 1.2Vo and 25
o
C.
EFFICIENCY, η (%)
OUTPUT CURRENT, Io (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 VOLTAGE
V
O
(V) (10mV/div)
OUTPUT CURRENT, OUTPUT VOLTAGE
I
O
(A) (1Adiv) V
O
(V) (10mV/div)
TIME, t (1μs/div) TIME, t (20μs /div)
Figure 9. Typical output ripple and noise (C
O
=10F ceramic,
V
IN = 12V, Io = Io,max, ).
Figure 10. Transient Response to Dynamic Load Change from
50% to 100% at 12Vin, Cout= 1x47uF+1x330uF, CTune=10nF
& RTune=267
OUTPUT
VOLTAGE
ON/OFF
VOLTAGE
V
O
(V) (500mV/div) V
ON/OFF
(V) (5V/div)
OUTPUT VOLTAGE INPUT VOLTAGE
V
O
(V) (500mV/div) V
IN
(V) (5V/div)
TIME, t (2ms/div) TIME, t (2ms/div)
Figure 11. Typical Start-up Using On/Off Voltage (Io = Io,max).
Figure 12. Typical Start-up Using Input Voltage (VIN = 12V, Io =
I
o,max).
50
55
60
65
70
75
80
85
90
95
00.511.522.53
Vin=3.3V
Vin=14V
Vin=12V
1.5
2.0
2.5
3.0
3.5
55 65 75 85 95 105
0.5m/s
(100LFM)
NC
Standard
Part (85 C)
Ruggedized (D)
Part (105°C)