Data Sheet
January 26, 2010
TLynx
TM
: Non-isolated DC-DC Power Modules:
2.4 – 5.5Vdc input; 0.6Vdc to 3.63Vdc output; 20A output current
Characteristic Curves (continued)
The following figures provide typical characteristics for the TLynx
TM
at 2.5Vo and at 25
o
C.
95
22
20
90
OUTPUT CURRENT, Io (A)
EFFICIENCY,
η
(%)
Vin=3.3V
Vin=5.5V
Vin=5V
18
16
14
12
10
8
6
25
35
45
55
65
O
85
2m/s
(400LFM)
1.5m/s
(300LFM)
1m/s
(200LFM)
NC
0.5m/s
(100LFM)
80
75
0
5
10
15
20
75
85
OUTPUT CURRENT, I
O
(A)
AMBIENT TEMPERATURE, T
A
C
Figure 19. Converter Efficiency versus Output Current.
OUTPUT VOLTAGE
OUTPUT CURRENT,
Figure 20. Derating Output Current versus Ambient
Temperature and Airflow.
V
O
(V) (500mV/div)
I
O
(A) (10Adiv)
OUTPUT VOLTAGE
V
O
(V) (0mV/div)
TIME, t (1μs/div)
TIME, t (100μs /div)
Figure 21. Typical output ripple and noise (V
IN
= 3.3V, I
o
= I
o,max
).
ON/OFF VOLTAGE
V
ON/OFF
(V) (5V/div)
Figure 22. Transient Response to Dynamic Load
Change from 0% to 50% to 0% with V
IN
=5V.
INPUT VOLTAGE
OUTPUT VOLTAGE
OUTPUT VOLTAGE
V
O
(V) (1V/div)
TIME, t (2ms/div)
V
O
(V) (1V/div)
V
IN
(V) (2V/div)
TIME, t (2ms/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
=
5V, I
o
= I
o,max
).
LINEAGE
POWER
9
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
