GE Industrial Solutions 2A DLynx - Manual (Page 6)

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 6
Characteristic Curves
The following figures provide typical characteristics for the PNVX002A0X-SRZ (0.6V, 2A) at 25 o C.
EFFICIE
N
C
Y,
η
(%
)
55
60
65
70
75
80
85
90
0 0.4 0.8 1.2 1.6 2
Vin=14V
Vin=12V
Vin=3V
OUTPUT CUR
REN
T, 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 1. Converter Efficiency versus Output Current.
Figure 2. Derating Output Current versus Ambient
Temperature and Airflow.
OUT
PU
T V
O
LT
AGE
V
O
(V
) (2
0m
V/
di
v)
OU
TP
U
T
CURRENT
,
OU
TP
U
T
VO
LT
AG
E
I
O
(A
) (
1A
div
)
V
O
(V) (100
mV/di
v)
TIME, t (2 μs/div) TIME, t (500 μs /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 0% to 50% to 0% .
OUT
PU
T
VO
LT
AG
E
ON
/O
FF
VOLTAG
E
V
O
(V
) (200
mV/div
)
V
ON
/O
FF
(V)
(5
V/d
iv)
OUT
PU
T V
O
LT
AGE
IN
PU
T V
O
LT
AGE
V
O
(V
) (200
mV/div
)
V
IN
(V
) (5
V/
di
v)
TIME, t (5ms/div) TIME, t (5ms/div)
Figure 5. Typical Start-up Using On/Off Voltage (I
o
= I
o,max,
V
in=
12V,Cext= 22uF).
Figure 6. Typical Start-up Using Input Voltage (V
IN
= 12V, I
o
= I
o,max
).