GE Industrial Solutions 12V TLynx 20A - Manual (Page 7)

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 7
Characteristic Curves
The following figures provide typical characteristics for the 12V TLynx TM at 0.69Vo and at 25 o C.
EFFICI
EN
C
Y,
η
(%)
70
75
80
85
90
0 5 10 15 20
Vin=10V
Vin=7V Vin=5V
OUT
PUT
CURR
ENT,
Io
(A)
4
6
8
10
12
14
16
18
20
22
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 1. Converter Efficiency versus Output Current.
Figure 2. Derating Output Current versus Ambient
Temperature and Airflow.
OUT
PU
T VOLTAG
E
V
O
(V
) (1
0m
V/
di
v)
OUT
PU
T CURRE
NT,
OU
TP
U
T V
O
LT
AGE
I
O
(A
) (
5Adi
v)
V
O
(V
) (200
mV/div
)
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%.
O
N
/O
FF
VO
LT
AG
E
O
U
TPU
T
VO
LTA
G
E
V
ON
/O
FF
(V
) (5
V/
di
v)
V
O
(V) (
200m
V/
di
v)
O
U
TP
UT VO
LTA
G
E
I
N
PU
T VO
LTA
G
E
V
O
(V
) (
1V
/div)
V IN
(V
) (5V/
div
)
TIME, t (2 ms/div) TIME, t (1 ms/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
= 10V, I
o
=
I
o,max
).