Data Sheet
September 7, 2011
GigaTLynx
TM
SMT Non-isolated Power Modules:
4.5 – 14Vdc input; 0.7Vdc to 2.0Vdc, 50A Output
Characteristic Curves
The following figures provide typical characteristics for the 12V Giga TLynx
100
95
TM
50A at 1.8 Vo and at 25 C.
o
Vin=12V
55
50
45
OUTPUT CURRENT, Io (A)
Output Voltage set to 2V for thermal derating curve
EFFICIENCY,
η
(%)
90
85
80
75
70
0
10
20
30
40
50
Vin=4.5V
40
35
30
25
20
15
10
35
NC
0.5m/s
(100LFM)
1m/s
(200LFM)
1.5m/s
Vin=14V
Standard Part
(300LFM)
(85 C)
Ruggedized (D)
Part (105 C)
2m/s
(400LFM)
45
55
65
75
85
95
O
105
OUTPUT CURRENT, I
O
(A)
AMBIENT TEMPERATURE, T
A
C
Figure 13. Converter Efficiency versus Output Current.
Figure 14. Derating Output Current versus Ambient
Temperature and Airflow.
OUTPUT VOLTAGE
OUTPUT CURRENT,
OUTPUT VOLTAGE
V
O
(V) (10mV/div)
I
O
(A) (20Adiv)
V
O
(V) (20mV/div)
TIME, t (1μs/div)
TIME, t (0.1ms /div)
Figure 15. Typical output ripple and noise (V
IN
= 12V, I
o
=
I
o,max
).
Figure 16. Transient Response to Dynamic Load
Change from 50% to 100% at 12Vin, Cext =5x47uF+
+8x330uFpolymer,CTune=47nF,RTune=220ohms
ON/OFF VOLTAGE
V
ON/OFF
(V) (5V/div)
INPUT VOLTAGE
OUTPUT VOLTAGE
OUTPUT VOLTAGE
V
O
(V) (500mV/div)
TIME, t (2 ms/div)
V
O
(V) (500mV/div)
V
IN
(V) (5V/div)
TIME, t (2 ms/div)
Figure 17. Typical Start-up Using On/Off Voltage (I
o
=
I
o,max
).
LINEAGE
POWER
Figure 18. Typical Start-up Using Input Voltage (V
IN
=
12V, I
o
= I
o,max
).
7
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
