GE Industrial Solutions GigaTLynx - Manual (Page 5)

Data Sheet
September 7, 2011 GigaTLynx TM SMT Non-isolated Power Modules:
4.5 – 14Vdc input; 0.7Vdc to 2.0Vdc, 50A Output
LINEAGE POWER 5
Characteristic Curves
The following figures provide typical characteristics for the 12V Giga TLynx TM 50A at 0.7Vo and at 25 o C.
E
FFI
CIE
N
C
Y
, η
(%)
O
U
TPU
T
CUR
RE
NT
, Io
(A
)
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.
O
U
T
P
U
T
VOLTAGE
V
O
(V
) (
1
0m
V
/d
iv)
OUT
P
UT
CURR
EN
T
OU
TPUT
VO
LTAG
E
I O
(
A
)
(
20
A
di
v)
V
O
(V) (
10
m
V/
div
)
TIME, t (1 μs/div) TIME, t (0.2ms /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 50% to 100% at 12Vin, Cext =5x47uF+
+22x330uFpolymer,CTune=330nF,RTune=100ohms
OUT
P
UT
V
O
LT
A
G
E
O
N
/O
F
F
VO
LT
A
G
E
V
O
(V
) (2
00
mV
/d
iv
)
V
ON/
O
FF
(V
) (
5V/
div
)
OU
TP
U
T
VOLTAG
E
IN
PUT VO
LTAG
E
V
O
(V
) (
200mV/
di
v)
V
IN
(V
) (5
V
/d
iv)
TIME, t (2ms/div) TIME, t (2ms/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
=
12V, I
o
= I
o,max
).
70
75
80
85
90
95
0 10 20 30 40 50
Vin=4.5V
Vin=12V
Vin=14V
15
20
25
30
35
40
45
50
55
45 55 65 75 85 95 105
2m/s
(400LFM)
1.5m/s
(300LFM)
1m/s
( 200LFM )
0.5m/s
(100LFM)
NC
Ruggedized (D)
Part (105 C)
Standard Part
(85 C)