GE Industrial Solutions 3A Analog PicoDLynx - Manual (Page 7)

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 7
Characteristic Curves
The following figures provide typical characteristics for the 3A Analog PicoDLynx TM at 1.2Vo and 25 o C.
EFFIC
IE
N
C
Y,
η
(%
)
O
U
TPU
T
CU
RR
EN
T,
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.
OU
TP
U
T V
O
LT
AG
E
V
O
(V
) (
20
m
V/
di
v)
OU
TP
U
T CURRENT,
O
U
TPUT V
O
LT
AGE
I O
(A
) (
1A
div
)
V O
(V) (10m
V/
di
v)
TIME, t (1 μs/div) TIME, t (20 μs /div)
Figure 9. Typical output ripple and noise (C
O
=10μF ceramic,
V
IN
= 12V, I
o
= I
o,max,
).
Figure 10. Transient Response to Dynamic Load Change
from 50% to 100% at 12Vin, Cout-1x47uF+1x330uF, CTune-
10nF & RTune-261
OUT
PUT
V
O
LT
AG
E
ON/
O
FF V
O
LT
AG
E
V
O
(V
) (5
00
m
V/
di
v)
V
ON
/OF
F
(V) (5V/
di
v)
O
U
TPU
T
VO
LTAGE
INP
U
T V
O
LTAGE
V
O
(V)
(5
00m
V/
di
v)
V
IN
(V
) (5V/
div
)
TIME, t (2ms/div) TIME, t (2ms/div)
Figure 11. Typical Start-up Using On/Off Voltage (I
o
= I
o,max
).
Figure 12. Typical Start-up Using Input Voltage (V
IN
= 12V, I
o
= I
o,max
).
65
70
75
80
85
90
95
0 0.5 1 1.5 2 2.5 3
Vin=3.3 V
Vin=14.4V
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) 1m/s
(200LFM)