GE Industrial Solutions 6A Digital PicoDLynx - Manual (Page 7)

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 7
Characteristic Curves
The following figures provide typical characteristics for the 6A Digital PicoDLynx TM at 0.6Vo and 25 o C.
EF
FICIENCY,
η
(%
)
OUT
PU
T CURRENT,
Io (A)
OUTPUT CURRENT, I
O
(A) AMBIENT TEMPERATURE, T
A
O C
Figure 1. Converter Efficiency versus Output Current.
Figure 2. Derating Output Current versus Ambient
Temperature and Airflow.
OUT
PU
T VOLTAG
E
V
O
(V) (10mV
/div)
O
U
TP
UT
CU
RRENT,
O
U
TPU
T
VO
LT
AG
E
I O
(A
) (
2A
di
v)
V
O
(V
) (
5m
V/
di
v)
TIME, t (1 μs/div) TIME, t (20 μs /div)
Figure 3. Typical output ripple and noise (C
O
=22μF ceramic,
V
IN
= 12V, I
o
= I
o,max,
).
Figure 4. Transient Response to Dynamic Load Change from
50% to 100% at 12Vin, Cout=1x47uF + 4x330uF,
CTune=33nF,
RTune=178
OUT
PU
T V
O
LT
AG
E
O
N
/OFF
V
O
LTAG
E
V
O
(V
) (20
0mV/div
)
V
ON/OF
F
(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
) (20
0mV/div
)
V
IN
(V
) (
5V
/di
v)
TIME, t (2ms/div) TIME, t (2ms/div)
Figure 5. Typical Start-up Using On/Off Voltage (I
o
= I
o,max
).
Figure 6. Typical Start-up Using Input Voltage (V
IN
= 12V, I
o
=
I
o,max
).
50
55
60
65
70
75
80
85
0 1 2 3 4 5 6
Vin=3.3V
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)
NC 100
300 200
400
NC 100
300 200
400