GE Industrial Solutions 12V PicoTLynx 3A - Manual (Page 10)

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 10
Characteristic Curves
The following figures provide typical characteristics for the 12V PicoTLynx TM 3A 3.3Vo and at 25 o C.
EFFICIE
N
C
Y,
η
(%
)
70
75
80
85
90
95
100
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
NC
0.5m/s
(100LFM)
1.5m/s
(300LFM)
Standard Part
(85°C)
Ruggedized (D)
Part (105°C)
1m/s
(200LFM)
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.
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) (200
mV/di
v)
TIME, t (1 μs/div) TIME, t (20 μs /div)
Figure 27. Typical output ripple and noise (V
IN
= 12V, I
o
=
I
o,max
).
Figure 28. Transient Response to Dynamic Load Change from
0% 50% to 0%.
O
N
/O
FF
VO
LT
AG
E
O
U
TPU
T
VO
LTA
G
E
V
ON
/O
FF
(V)
(5
V/div)
V O
(V) (1V/
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
) (1
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
).