GE Industrial Solutions 3A Analog PicoDLynx - Manual (Page 10)

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.
EF
FI
CI
EN
CY
, η
(%)
OU
TP
U
T CURR
ENT, I
o (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.
OU
TP
U
T V
O
LT
AGE
V
O
(V
) (2
0m
V/
di
v)
OUT
PU
T CUR
RE
N
T
OU
TP
U
TV
O
LT
AGE
I
O
(A
)
(1
Ad
iv
)
V O
(V
) (5
0m
V/
di
v)
TIME, t (1 μs/div) TIME, t (20 μs /div)
Figure 27. Typical output ripple and noise (C
O
=10μF 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
O
U
TPU
T
VO
LTA
G
E
O
N
/O
FF
VO
LT
AG
E
V O
(V
) (
1V
/di
v)
V
ON
/OFF
(V) (5V
/div
)
OUT
PU
T V
O
LT
AG
E
IN
PU
T V
O
LT
AG
E
V O
(V
) (
1V
/di
v)
V
IN
(V
) (
5V
/di
v)
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
0 0.5 1 1.5 2 2.5 3
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)