GE Industrial Solutions 12A Digital PicoDLynx - Manual (Page 7)

GE
Data Sheet
12A Digital PicoDLynx TM : Non-Isolated DC-DC Power Modules
3Vdc –14.4Vdc input; 0.45Vdc to 5.5Vdc output; 12A Output Current
November 19, 2013
©2013 General Electric Corporation.
All rights reserved.
Page 7
Characteristic Curves
The following figures provide typical characteristics for the 12A Digital PicoDLynx TM at 0.6Vo and 25 o C.
EFFICIENCY,
η
(%)
O
U
TP
UT
CU
RR
EN
T,
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.
OUTPU
T V
O
LTAG
E
V
O
(V) (20mV
/div)
OUT
PU
T CU
RR
EN
T,
OU
TP
U
T V
O
LT
AGE
I O
(A
) (
10A
di
v)
V
O
(V
) (5
m
V/
div
)
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= 3x47uF+6x330uF,
CTune=47nF,
RTune=180ohms
OUT
PU
T
VOLTAG
E
ON
/O
FF
VO
LTAG
E
V
O
(V
) (20
0mV/div
)
V
ON
/O
FF
(V
) (
5V
/d
iv
)
O
U
TPU
T
VO
LT
AG
E
IN
PU
T
VO
LT
AG
E
V
O
(V
) (20
0mV/div
)
V
IN
(V
) (5
V/
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 2 4 6 8 10 12
Vin=3V
Vin=14V Vin=12V
0
2
4
6
8
10
12
55 65 75 85 95 105
2m/s
(400LFM)
1m/s
( 200LFM )
0.5m/s
(100LFM)
2m/s
(400LFM)
1.5m/s
(300LFM)
NC
Standard Part
(85 °C)
Ruggedized (D)
Part (105 °C)