Owner manual
GE
Data Sheet
12A Digital PicoDLynx
TM
: Non-Isolated DC-DC Power Modules
3Vdc –14.4Vdc input; 0.45Vdc to 5.5Vdc output; 12A Output Current
November 19, 2013
©2013 General Electric Corporation.
All rights reserved.
Page 12
Characteristic Curves
The following figures provide typical characteristics for the 12A Digital PicoDLynx
TM
at 5Vo and 25
o
C.
EFFICIENCY, η (%)
OUTPUT CURRENT, Io (A)
OUTPUT CURRENT, I
O
(A) AMBIENT TEMPERATURE, T
A
O
C
Figure 31. Converter Efficiency versus Output Current.
Figure 32. Derating Output Current versus Ambient
Temperature and Airflow.
OUTPUT VOLTAGE
V
O
(V) (20mV/div)
OUTPUT CURRENT, OUTPUT VOLTAGE
I
O
(A) (10Adiv) V
O
(V) (50mV/div)
TIME, t (1μs/div) TIME, t (20μs /div)
Figure 33. Typical output ripple and noise (C
O
=22F ceramic,
V
IN = 12V, Io = Io,max, ).
Figure 34. Transient Response to Dynamic Load Change from
50% to 100% at 12Vin, Cout= 5x47uF, CTune=1500pF &
RTune=330ohms
OUTPUT VOLTAGE ON
/
OFF VOLTAGE
V
O
(V) (2V/div) V
ON/OFF
(V) (5V/div)
OUTPUT VOLTAGE INPUT VOLTAGE
V
O
(V) (2V/div) V
IN
(V) (5V/div)
TIME, t (2ms/div) TIME, t (2ms/div)
Figure 35. Typical Start-up Using On/Off Voltage (Io = Io,max).
Figure 36. Typical Start-up Using Input Voltage (V
IN = 12V, Io =
I
o,max).
70
75
80
85
90
95
100
024681012
Vin=7V Vin=14V
Vin=12V
0
2
4
6
8
10
12
45 55 65 75 85 95 105
2m/s
(400LFM)
1.5m/s
(300LFM)
1m/s
(200LFM)
0.5m/s
(100LFM)
NC
Ruggedized (D)
Part (105°C)
Standard
Part (85°C)