GE Industrial Solutions 12V PicoTLynx 3A - Manual (Page 8)

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 8
Characteristic Curves
The following figures provide typical characteristics for the 12V PicoTLynx TM 3A 1.8Vo and at 25 o C.
EFFI
CI
EN
CY,
η
(%
)
70
75
80
85
90
95
0 0.5 1 1.5 2 2.5 3
Vin=14V
Vin=12V
Vin=4.5V
OUT
PUT
C
U
RR
ENT, Io
(A
)
1
2
3
4
55 65 75 85 95 105
NC
1m/s
(200LFM)
Standard Part
(85°C)
Ruggedized (D)
Part (105°C)
0.5m/s
(100LFM)
OUTPUT CURRENT, I
O
(A) AMBIENT TEMPERATURE, T
A O C
Figure 13. Converter Efficiency versus Output Current.
Figure 14. Derating Output Current versus Ambient
Temperature and Airflow.
OUT
PU
T VOLTAG
E
V
O
(V) (10mV
/div)
OU
TP
U
T CURRENT,
O
U
TPUT V
O
LT
AGE
I O
(A
) (
1Adi
v)
V
O
(V
) (10
0mV/div
)
TIME, t (1 μs/div) TIME, t (20 μs /div)
Figure 15. Typical output ripple and noise (V
IN
= 12V, I
o
=
I
o,max
).
Figure 16. Transient Response to Dynamic Load Change from
0% to 50% to 0%.
O
N
/O
FF
V
O
LTA
G
E
O
U
TP
UT
VO
LTA
G
E
V
ON
/O
FF
(V
) (
5V
/di
v)
V
O
(V
) (5
00
m
V/
di
v)
INP
U
T
VO
LT
AG
E
OUT
PU
T V
O
LT
AG
E
V
IN
(V
) (
5V
/div)
V O
(V
) (500
mV/div
)
TIME, t (2ms/div) TIME, t (2ms/div)
Figure 17. Typical Start-up Using On/Off Voltage (I
o
= I
o,max
).
Figure 18. Typical Start-up Using Input Voltage (V
IN
= 12V, I
o
=
I
o,max
).