Manual

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.
EFFICIENCY, 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
OUTPUT CURRENT, 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.
OUTPUT VOLTAGE
V
O
(V) (20mV/div)
OUTPUT
CURRENT
,
OUTPUT
VOLTAGE
I
O
(A) (1Adiv) V
O
(V) (100mV/div)
TIME, t (1μs/div) TIME, t (500μs /div)
Figure 27. Typical output ripple and noise (V
IN = 12V, Io =
I
o,max).
Figure 28. Transient Response to Dynamic Load Change
from 0% to 50% to 0%.
OUTPUT VOLTAGE ON/OFF VOLTAGE V
O
(V) (1V/div) V
ON?OFF
(V) (5V/div)
OUTPUT VOLTAGE INPUT VOLTAGE V
O
(V) (1V/div) V
IN
(V) (5V/div)
TIME, t (5ms/div) TIME, t (5ms/div)
Figure 29. Typical Start-up Using On/Off Voltage (Io = Io,max,
V
in=12V,Cext= 22uF)
Figure 30. Typical Start-up Using Input Voltage (V
IN = 12V,
Cext=
22 uF, Io = Io,max).