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

GE
Data Sheet
2A PicoTLynx TM : Non-Isolated DC-DC Power Modules
3Vdc –14Vdc input; 0.6Vdc to 5.5Vdc output; 2A Output Current
February 26, 2013 ©2013 General Electric Company. All rights reserved. Page 10
Characteristic Curves
The following figures provide typical characteristics for the APXS002A0X-SRZ (3.3V, 2A) at 25 o C.
EFFI
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
OUT
PUT
C
U
RR
ENT, Io
(A
)
0.0
0.5
1.0
1.5
2.0
2.5
45 55 65 75 85 95 105
NC
Standard Test
Extended Test
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.
OU
TP
U
T V
O
LT
AG
E
V
O
(V
) (1
0m
V/
di
v)
OU
TP
U
T C
U
RR
ENT
,
OU
TP
U
T V
O
LT
AG
E
I
O
(A
)
(1
Ad
iv
)
V O
(V) (
100m
V/
di
v)
TIME, t (1 μs/div) TIME, t (20 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%.
O
U
TPU
T
VO
LTA
G
E
O
N
/O
FF
V
O
LT
AG
E
V
O
(V)
(1
V/div)
V ON
?O
FF
(V) (5V/
di
v)
O
U
TPU
T V
O
LT
AG
E
IN
PU
T VO
LTA
G
E
V O
(V
) (
1V
/di
v)
V
IN
(V
) (5V/
div
)
TIME, t (2ms/div) TIME, t (2ms/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
).