3a analog picodlynx, Non-isolated dc-dc power modules, Preliminary data sheet – GE Industrial Solutions 3A Analog PicoDLynx User Manual
Page 8: Characteristic curves

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 8
Characteristic Curves
The following figures provide typical characteristics for the 3A Analog PicoDLynx
TM
at 1.8Vo and 25
o
C.
EFFIC
IE
N
CY
, η
(
%
)
OU
TP
UT
CURR
ENT, I
o (
A)
OUTPUT CURRENT, I
O
(A)
AMBIENT TEMPERATURE, T
A
O
C
Figure 13. Converter Efficiency versus Output Current.
Figure 14. Derating Output Current versus Ambient
Temperature and Airflow.
OUTPU
T V
O
LTAG
E
V
O
(V) (20mV
/div)
O
U
TPU
T
CU
RRENT,
O
U
TPU
T VO
LT
AG
E
I
O
(A
)
(1
Ad
iv
)
V
O
(V) (10mV
/div)
TIME, t (1
μs/div)
TIME, t (20
μs /div)
Figure 15. Typical output ripple and noise (C
O
=10μF ceramic, V
IN
= 12V, I
o
= I
o,max,
).
Figure 16. Transient Response to Dynamic Load Change
from 50% to 100% at 12Vin, Cout-1x47uF+1x330uF, CTune-
10nF & RTune-261
O
U
TPU
T
VO
LT
AG
E
O
N
/O
FF
VO
LTA
G
E
V
O
(V) (500
mV/di
v)
V
ON
/O
FF
(V
) (5
V/
di
v)
O
U
TPU
T
VO
LTAG
E
IN
PUT
VO
LTAGE
V
O
(V) (500
mV/di
v)
V
IN
(V
) (5V/
di
v)
TIME, t (2ms/div)
TIME, t (2ms/div)
Figure 17. Typical Start-up Using On/Off Voltage (I
o
= I
o,max
).
Figure 18. 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=3.3V
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)
1.5m/s
(300LFM)