GE Industrial Solutions 12V TLynx 20A - Manual (Page 10)

GE
Data Sheet
12V TLynx TM 20A: Non-Isolated DC-DC Power Modules
4.5Vdc –14Vdc input; 0.69Vdc to 5.5Vdc output; 20A Output Current
May 2, 2013 ©2013 General Electric Company. All rights reserved. Page 10
Characteristic Curves (continued)
The following figures provide typical characteristics for the 12V TLynx TM at 2.5Vo and at 25 o C.
EF
FI
CI
EN
CY
, η
(%)
70
75
80
85
90
95
100
0 5 10 15 20
Vin=14V Vin=12V
Vin=4.5V
O
U
TP
UT CURR
ENT,
Io
(A)
4
6
8
10
12
14
16
18
20
22
25 35 45 55 65 75 85 95 105
Standard Part
(85°C)
Ruggedized (D)
Part (105 ° C)
NC
0.5m/s
(100LFM)
1m/s
(200LFM)
2m/s
(400LFM)
OUTPUT CURRENT, I
O
(A) AMBIENT TEMPERATURE, T
A
O C
Figure 19. Converter Efficiency versus Output Current.
Figure 20. Derating Output Current versus Ambient
Temperature and Airflow.
OUTPU
T V
O
LTAG
E
V
O
(V) (20mV
/div)
OUT
PU
T
CURRENT
,
OUT
PU
T
VOLT
AG
E
I
O
(A
) (
5Adi
v)
V
O
(V
) (20
0mV/div
)
TIME, t (1 μs/div) TIME, t (20 μs /div)
Figure 21. Typical output ripple and noise (V
IN
= 12V, I
o
=
I
o,max
).
Figure 22. Transient Response to Dynamic Load Change from
0% to 50% to 0%.
ON
/O
FF
VOLTAG
E
OUT
PU
T VOLT
AGE
V
ON
/O
FF
(V) (5V/
di
v)
V
O
(V) (1V/
di
v)
O
U
TPUT
VO
LTA
G
E
I
N
PU
T V
O
LT
AG
E
V O
(V) (1V/
div
)
V IN
(V
) (
5V
/di
v)
TIME, t (1 ms/div) TIME, t (1 ms/div)
Figure 23. Typical Start-up Using On/Off Voltage (I
o
= I
o,max
).
Figure 24. Typical Start-up Using Input Voltage (V
IN
= 12V, I
o
=
I
o,max
).