12v picotlynx, 3a: non-isolated dc-dc power modules, Data sheet – GE Industrial Solutions 12V PicoTLynx 3A User Manual
Page 6: Characteristic curves
GE
Data Sheet
12V PicoTLynx
TM
3A: Non-Isolated DC-DC Power Modules
4.5Vdc –14Vdc input; 0.59Vdc to 5.5Vdc output; 3A Output Current
May 2, 2013
©2013 General Electric Company. All rights reserved.
Page 6
Characteristic Curves
The following figures provide typical characteristics for the 12V PicoTLynx
TM
3A at 0.6Vo and at 25
o
C.
EFFICIE
N
C
Y,
η
(%
)
55
60
65
70
75
80
85
0
0.5
1
1.5
2
2.5
3
Vin=14V
Vin=12V
Vin=4.5V
OUTPUT CUR
REN
T, Io
(A)
1
2
3
4
55
65
75
85
95
105
Standard Part
(85°C)
Ruggedized (D)
Part (105°C)
NC
0.5m/s
(100LFM)
1m/s
(200LFM)
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 V
O
LT
AGE
V
O
(V
) (1
0m
V/
di
v)
OU
TP
U
T C
U
RR
EN
T,
OU
TP
U
T V
O
LT
AG
E
I
O
(A
) (
1A
div
)
V
O
(V) (100
mV/di
v)
TIME, t (1
μs/div)
TIME, t (20
μs /div)
Figure 3. Typical output ripple and noise (V
IN
= 12V, I
o
= I
o,max
).
Figure 4. Transient Response to Dynamic Load Change from
0% to 50% to 0% .
ON/
O
FF
VO
LT
AGE
OUTPU
T
VO
LTAG
E
V
ON
/O
FF
(V
) (
5V
/d
iv
)
V
O
(V
) (2
00
m
V/
di
v)
I
N
PU
T VO
LT
AG
E
O
U
TPU
T V
O
LT
AG
E
V
IN
(V
) (
5V
/di
v)
V
O
(V
) (2
00
m
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
).