Data Sheet
July 24, 2009
12V TLynx
TM
: Non-isolated DC-DC Power Modules
4.5 – 14Vdc input; 0.69Vdc to 5.5Vdc output; 20A output current
Characteristic Curves (continued)
The following figures provide typical characteristics for the 12V TLynx
TM
at 1.2Vo and at 25
o
C.
95
22
20
OUTPUT CURRENT, Io (A)
90
18
16
14
12
10
8
6
4
25
35
NC
0.5m/s
(100LFM)
1m/s
(200LFM)
EFFICIENCY,
η
(%)
85
Vin=4.5V
80
Vin=12V
75
Vin=14V
2m/s
(400LFM)
Standard Part
(85°C)
70
0
5
10
15
20
Ruggedized (D)
Part (105
°
C)
45
55
65
75
85
O
95
105
OUTPUT CURRENT, I
O
(A)
AMBIENT TEMPERATURE, T
A
C
Figure 7. Converter Efficiency versus Output Current.
Figure 8. Derating Output Current versus Ambient
Temperature and Airflow.
OUTPUT VOLTAGE
OUTPUT CURRENT,
V
O
(V) (200mV/div)
I
O
(A) (5Adiv)
OUTPUT VOLTAGE
V
O
(V) (20mV/div)
TIME, t (1μs/div)
TIME, t (20μs /div)
Figure 9. Typical output ripple and noise (V
IN
= 12V, I
o
=
I
o,max
).
OUTPUT VOLTAGE
Figure 10. Transient Response to Dynamic Load
Change from 0% to 50% to 0%.
V
O
(V) (500mV/div)
INPUT VOLTAGE
OUTPUT VOLTAGE
ON/OFF VOLTAGE
V
ON/OFF
(V) (5V/div)
TIME, t (1 ms/div)
V
O
(V) (1V/div)
V
IN
(V) (5V/div)
TIME, t (1 ms/div)
Figure 11. Typical Start-up Using On/Off Voltage (I
o
=
I
o,max
).
Figure 12. Typical Start-up Using Input Voltage (V
IN
=
12V, I
o
= I
o,max
).
LINEAGE
POWER
8
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
