36v prolynx, 3a: non-isolated dc-dc power modules, Data sheet – GE Industrial Solutions 9-36V ProLynx 3A User Manual
Page 9: Characteristic curves

GE
Data Sheet
9-36V ProLynx
TM
3A: Non-Isolated DC-DC Power Modules
9Vdc –36Vdc input; 3Vdc to 18Vdc output; 3A to 1.5A Scaled output current
9Vdc –24Vdc input; -3.3Vdc to -12Vdc output; 3A to 0.7A Scaled output current
July 23, 2013
©2013 General Electric Company. All rights reserved.
Page 9
Characteristic Curves
The following figures provide typical characteristics for the 9-36V ProLynx
TM
3A at 18Vo and at 25
o
C.
EFFICI
EN
C
Y,
η
(%)
OUT
PUT
CURR
ENT,
Io
(A)
OUTPUT CURRENT, I
O
(A)
AMBIENT TEMPERATURE, T
A
O
C
Figure19. Converter Efficiency versus Output Current.
Figure20. Derating Output Current versus Ambient
Temperature and Airflow.
OUTPUT V
O
LTAGE
V
O
(V)
(5
0m
V/
di
v)
OUT
PUT
C
U
RRENT
,
OUT
PUT
VOL
TAGE
I
O
(A
)
(1Adiv
)
V
O
(V
) (1
00
m
V/d
iv
)
TIME, t (1
μs/div)
TIME, t (50
μs /div)
Figure 21. Typical output ripple and noise (VIN = 28V, Io =
Io,max).
Figure 22. Transient Response to Dynamic Load Change from
50% to 100% at 28Vin, Cext - 1x10uF ceramic, CTune=open &
RTune=open
O
U
TP
UT VO
LT
AGE
ON
/O
FF
VOL
TAGE
V
O
(V) (5V/div)
V
ON/OF
F
(V
) (5
V/
di
v)
O
U
TP
UT VO
LT
AGE
INPUT V
O
LTA
G
E
V
O
(V) (5V/div)
V
IN
(V
) (2
0V
/d
iv
)
TIME, t (10ms/div)
TIME, t (10ms/div)
Figure 23. Typical Start-up Using On/Off Voltage (Io = Io,max). Figure 24. Typical Start-up Using Input Voltage (VIN = 28V, Io
= Io,max).
70
75
80
85
90
95
100
0
0.5
1
1.5
Vin=36V
Vin=28V
Vin=24V