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
The following figures provide typical characteristics for the 12V TLynx
90
TM
at 0.69Vo and at 25 C.
o
22
20
OUTPUT CURRENT, Io (A)
85
18
16
14
12
10
8
6
4
35
NC
EFFICIENCY,
η
(%)
0.5m/s
(100LFM)
1m/s
(200LFM)
80
Vin=5V
75
Vin=10V
70
0
5
10
15
20
Vin=7V
2m/s
(400LFM)
Standard Part
(85°C)
Ruggedized (D)
Part (105
°
C)
45
55
65
75
85
O
95
105
OUTPUT CURRENT, I
O
(A)
AMBIENT TEMPERATURE, T
A
C
Figure 1. Converter Efficiency versus Output Current.
Figure 2. 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) (10mV/div)
TIME, t (1μs/div)
TIME, t (20μs /div)
Figure 3. Typical output ripple and noise (V
IN
= 12V, I
o
=
I
o,max
).
OUTPUT VOLTAGE
Figure 4. Transient Response to Dynamic Load
Change from 0% to 50% to 0%.
V
O
(V) (200mV/div)
INPUT VOLTAGE
OUTPUT VOLTAGE
ON/OFF VOLTAGE
V
ON/OFF
(V) (5V/div)
TIME, t (2 ms/div)
V
O
(V) (1V/div)
V
IN
(V) (5V/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
).
LINEAGE
POWER
7