GE Industrial Solutions 2A DLynx - Manual (Page 9)

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 9
Characteristic Curves
The following figures provide typical characteristics for the PNVX002A0X-SRZ (2.5V, 2A) at 25 o C.
EFFIC
IE
N
CY,
η
(
%
)
70
75
80
85
90
95
100
0 0.4 0.8 1.2 1.6 2
Vin=14V
Vin=12V
Vin=3.3V
OUT
PUT
CURRENT
, I
o (
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 19. Converter Efficiency versus Output Current.
Figure 20. Derating Output Current versus Ambient
Temperature and Airflow.
OUTPUT
V
O
LTAGE
V
O
(V
) (20m
V/
di
v)
OUTPUT
CU
RRENT
,
OUTPU
T
VO
LT
AG
E
I
O
(A
) (
1Adi
v)
V
O
(V
) (1
00
m
V/
di
v)
TIME, t (2 μs/div) TIME, t (500 μs /div)
Figure 21. Typical output ripple and noise (V
IN
= 12V, I
o
=
I
o,max
).
Figure 22. Transient Response to Dynamic Load Change
from 0% to 50% to 0%.
OU
TP
U
T
VO
LT
AG
E
ON
/O
FF
V
O
LT
AG
E
V
O
(V
) (
1V
/di
v)
V
ON
/P
FF
(V
) (5V/
div
)
O
U
TPU
T
VO
LTA
G
E
IN
PUT
VO
LTA
G
E
V
O
(V)
(1
V/d
iv)
V IN
(V) (5V/
di
v)
TIME, t (5ms/div) TIME, t (5ms/div)
Figure 23. Typical Start-up Using On/Off Voltage (I
o
= I
o,max,
V
in=
12V,Cext= 22uF ).
Figure 24. Typical Start-up Using Input Voltage (V
IN
= 12V,
Cext= 22 uF, I
o
= I
o,max
).