GE Industrial Solutions 3A Digital PicoDLynx - Manual (Page 12)

GE
Data Sheet
3A Digital PicoDLynx TM : Non-Isolated DC-DC Power Modules
3Vdc –14.4Vdc input; 0.45Vdc to 5.5Vdc output; 3A Output Current
April 29, 2013 ©2013 General Electric Company. All rights reserved. Page 12
Characteristic Curves
The following figures provide typical characteristics for the 3A Digital PicoDLynx TM at 5Vo and 25 o C.
EF
FI
CI
EN
CY
, η
(%
)
OUTPU
T
CU
RRENT, Io
(A
)
OUTPUT CURRENT, I
O
(A) AMBIENT TEMPERATURE, T
A
O C
Figure 31. Converter Efficiency versus Output Current.
Figure 32. Derating Output Current versus Ambient
Temperature and Airflow.
OUTPU
T V
O
LTAG
E
V
O
(V) (50mV
/div)
OUT
PUT
CU
RR
ENT
,
OUT
PUT
V
O
LT
AG
E
I O
(A)
(1Ad
iv
)
V O
(V
) (5
0m
V/
di
v)
TIME, t (1 μs/div) TIME, t (20 μs /div)
Figure 33. Typical output ripple and noise (C
O
=10μF
ceramic, V
IN
= 12V, I
o
= I
o,max,
).
Figure 34. Transient Response to Dynamic Load
Change from 50% to 100% at 12Vin, Cout= 1x47uF,
CTune=820pF & RTune=267
OUT
PU
T V
O
LT
AG
E
O
N
/O
FF
V
O
LT
AG
E
V
O
(V
) (2
V/
di
v)
V ON
/O
FF
(V)
(5
V/
di
v)
O
U
TP
UT
V
O
LT
AG
E
I
N
PU
T
VO
LT
AG
E
V
O
(V
) (
2V
/div)
V IN
(V) (5V/
di
v)
TIME, t (2ms/div) TIME, t (2ms/div)
Figure 35. Typical Start-up Using On/Off Voltage (I
o
=
I
o,max
).
Figure 36. Typical Start-up Using Input Voltage (V
IN
=
12V, I
o
= I
o,max
).
60
65
70
75
80
85
90
95
100
0 0.5 1 1.5 2 2.5 3
Vin=7V Vin=14V
Vin=12V
1.5
2.0
2.5
3.0
3.5
45 55 65 75 85 95 105
1m/s
(200LFM)
0.5m/s
(100LFM)
NC
Ruggedized (D)
Part (105 °C)
Standard
Part (85 °C)