GE Industrial Solutions 2A DLynx - Manual (Page 10)

GE Energy
Datasheet
2A DLynx TM : Non-Isolated DC-DC Power Modules
3Vdc –14Vdc input; 0.6Vdc to 5.5Vdc output; 2A Output Current
June 24, 2013 ©2012 General Electric Company. All rights reserved. Page 10
Characteristic Curves
The following figures provide typical characteristics for the PNVX002A0X-SRZ (3.3V, 2A) at 25 o C.
EF
FI
CI
EN
CY
, η
(%)
70
75
80
85
90
95
100
0 0.4 0.8 1.2 1.6 2
Vin=14V
Vin=12V
Vin=4.5V
O
U
TP
UT CURR
ENT,
Io
(A)
1.5
1.7
1.9
2.1
45 55 65 75 85
NC
OUTPUT CURRENT, I
O
(A) AMBIENT TEMPERATURE, T
A
O C
Figure 25. Converter Efficiency versus Output Current.
Figure 26. Derating Output Current versus Ambient
Temperature and Airflow.
OUTPU
T V
O
LTAG
E
V
O
(V) (20mV
/div)
OUT
PU
T
CURRENT
,
OUT
PU
T
VOLT
AG
E
I
O
(A
) (
1Adi
v)
V
O
(V
) (10
0mV/div
)
TIME, t (1 μs/div) TIME, t (500 μs /div)
Figure 27. Typical output ripple and noise (V
IN
= 12V, I
o
=
I
o,max
).
Figure 28. Transient Response to Dynamic Load Change
from 0% to 50% to 0%.
OU
TP
U
T V
O
LT
AGE
O
N
/O
FF
V
O
LT
AGE
V
O
(V
) (
1V
/di
v)
V
ON
?O
FF
(V
) (
5V
/d
iv
)
O
U
TPUT
VO
LTA
G
E
INP
U
T
VO
LT
AG
E
V
O
(V
) (
1V
/div)
V
IN
(V
) (5
V/
di
v)
TIME, t (5ms/div) TIME, t (5ms/div)
Figure 29. Typical Start-up Using On/Off Voltage (I
o
= I
o,max,
V
in=
12V,Cext= 22uF)
Figure 30. Typical Start-up Using Input Voltage (V
IN
= 12V,
Cext= 22 uF, I
o
= I
o,max
).