Instruction Manual

GE
Data Sheet
12A Analog PicoDLynx
TM
: Non-Isolated DC-DC Power Modules
3Vdc –14.4Vdc input; 0.6Vdc to 5.5Vdc output; 12A Output Current
August 13, 2013 ©2013 General Electric Corporation. All rights reserved. Page 7
Characteristic Curves
The following figures provide typical characteristics for the 12A Analog 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) (20mV/div)
OUTPUT CURRENT, OUTPUT VOLTAGE
I
O
(A) (10Adiv) V
O
(V) (10mV/div)
TIME, t (1µs/div)
TIME, t (20µs /div)
Figure 9. Typical output ripple and noise (C
O
=22μF
ceramic, VIN = 12V, Io = Io,max, ).
Figure 10. Transient Response to Dynamic Load Change from
50% to 100% at 12Vin, Cout-1x47uF+3x330uF, CTune-10nF &
RTune-220ohms
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 (I
o
=
Io,max).
Figure 12. Typical Start-up Using Input Voltage (V
IN
= 12V, I
o
=
Io,max).
50
55
60
65
70
75
80
85
90
95
0 2 4 6 8 10 12
Vin=3.3V
Vin=14.4
V
Vin=12V
0
2
4
6
8
10
12
55
65 75 85
95 105
2m/s
(400LFM)
1.5m/s
(300LFM)
1m/s
(200LFM)
0.5m/s
(100LFM)
NC
Standard
Part (85 C)
Ruggedized (D) Part
(105° C)