GE Industrial Solutions 6A Digital PicoDLynx - Manual (Page 11)

GE
Data Sheet
6A Digital PicoDLynx TM : Non-Isolated DC-DC Power Modules
3Vdc –14.4Vdc input; 0.45Vdc to 5.5Vdc output; 6A Output Current
April 29, 2013 ©2013 General Electric Company. All rights reserved. Page 11
Characteristic Curves
The following figures provide typical characteristics for the 6A Digital PicoDLynx TM at 3.3Vo and 25 o C.
EFFIC
IE
N
C
Y,
η
(%)
O
U
TP
UT CURR
ENT,
Io
(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
AG
E
V
O
(V
) (20
m
V/di
v)
O
U
TP
UT C
U
RRENT,
O
U
TPU
T
VO
LT
AG
E
I O
(A
) (
2A
di
v)
V
O
(V)
(2
0mV/div
)
TIME, t (1 μs/div) TIME, t (20 μs /div)
Figure 27. Typical output ripple and noise (C
O
=22μF ceramic,
V
IN
= 12V, I
o
= I
o,max,
).
Figure 28 Transient Response to Dynamic Load Change from
50% to 100% at 12Vin, Cout= 3x47uF, CTune=3300pF,
RTune=178
OU
TP
U
T
VO
LT
AG
E
ON
/O
FF
VO
LT
AG
E
V
O
(V
) (
1V
/di
v)
V ON
/O
FF
(V
) (
5V
/d
iv
)
O
U
TPU
T
VO
LTAG
E
IN
PUT
VO
LTAGE
V
O
(V
) (
1V
/di
v)
V
IN
(V
) (5
V/
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
).
70
75
80
85
90
95
100
0 1 2 3 4 5 6
Vin=4.5V
Vin=14V
Vin=12V
1.0
2.0
3.0
4.0
5.0
6.0
75 80 85 90 95 100 105
2m/s
(400LFM)
NC
Standard
Part (85 °C)
Ruggedized (D)
Part (105 °C)
400
300 200
NC 100
400
300 200
NC 100