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 6
Characteristic Curves
The following figures provide typical characteristics for the 3A Analog PicoDLynx
TM
at 0.6Vo and 25
o
C.
EFFICIENCY, η (%)
OUTPUT CURRENT, Io (A)
OUTPUT CURRENT, I
O
(A) AMBIENT TEMPERATURE, T
A
O
C
Figure 1. Converter Efficiency versus Output Current.
Figure 2. Derating Output Current versus Ambient Temperature
and Airflow.
OUTPUT VOLTAGE
V
O
(V) (20mV/div)
OUTPUT CURRENT, OUTPUT VOLTAGE
I
O
(A) (1Adiv) V
O
(V) (10mV/div)
TIME, t (1μs/div) TIME, t (20μs /div)
Figure 3. Typical output ripple and noise (C
O
=10F ceramic,
V
IN
= 8V, I
o
= I
o,max,
).
Figure 4. Transient Response to Dynamic Load Change from 50%
to 100% at 8Vin, Cout-1x47uF+2x330uF, CTune-27nF, RTune-178
OUTPUT VOLTAGE ON/OFF VOLTAGE
V
O
(V) (200mV/div) V
ON/OFF
(V) (5V/div)
OUTPUT VOLTAGE INPUT VOLTAGE
V
O
(V) (200mV/div) V
IN
(V) (5V/div)
TIME, t (2ms/div) TIME, t (2ms/div)
Figure 5. Typical Start-up Using On/Off Voltage (I
o
= I
o,max
). Figure 6. Typical Start-up Using Input Voltage (V
IN
= 8V, I
o
= I
o,max
).
50
55
60
65
70
75
80
85
90
00.511.522.53
Vin=3.3V
Vin=6V
Vin=8V
1.5
2.0
2.5
3.0
3.5
55 65 75 85 95 105
0.5m/s
(100LFM)
NC
2m/s
(400LFM)
1.5m/s
(300LFM)
1m/s
(200LFM)
Standard Part
(85°C)
Ruggedized (D)
Part (105°C)