GE Industrial Solutions TLynx - Manual (Page 9)

Data Sheet
August 13, 2013 TLynx TM : Non-isolated DC-DC Power Modules:
2.4 – 5.5Vdc input; 0.6Vdc to 3.63Vdc output; 20A output current
LINEAGE POWER 9
Characteristic Curves (continued)
The following figures provide typical characteristics for the TLynx TM at 2.5Vo and at 25 o C.
EF
FI
CI
EN
C
Y
, η
(%)
75
80
85
90
95
0 5 10 15 20
Vin=3.3V
Vin=5V
Vin=5.5V
O
U
TPU
T
CU
RRE
NT
, Io
(A
)
6
8
10
12
14
16
18
20
22
25 35 45 55 65 75 85
NC
0.5m/s
(100LFM)
1m/s
(200LFM)
2m/s
(400LFM)
1.5m/s
(300LFM)
OUTPUT CURRENT, I
O
(A) AMBIENT TEMPERATURE, T
A
O C
Figure 19. Converter Efficiency versus Output Current.
Figure 20. Derating Output Current versus Ambient
Temperature and Airflow.
O
U
TP
U
T
VOLTAGE
V
O
(V
) (0
mV
/d
iv
)
OU
TPU
T
CU
RR
E
N
T
,
OUT
P
UT
VO
LT
A
G
E
I
O
(A
)
(1
0A
di
v)
V
O
(
V
) (50
0mV/
d
iv
)
TIME, t (1 μs/div) TIME, t (100 μs /div)
Figure 21. Typical output ripple and noise (V
IN
= 3.3V, I
o
= I
o,max
).
Figure 22. Transient Response to Dynamic Load
Change from 0% to 50% to 0% with V
IN
=5V.
OU
TP
U
T
V
O
LTA
G
E
O
N
/O
FF VOLTAG
E
V
O
(
V
) (1
V
/d
iv)
V
ON
/OFF
(V
) (5
V/d
iv)
O
U
T
P
UT
V
O
LT
A
G
E
I
N
P
U
T
V
O
LT
AG
E
V
O
(
V
)
(1
V
/d
iv)
V
IN
(V
) (
2
V
/d
iv
)
TIME, t (2ms/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
).