GE Industrial Solutions PicoTLynx 3A - Manual (Page 10)

GE
Data Sheet
PicoTLynx TM 3A: Non-Isolated DC-DC Power Modules
2.4Vdc –5.5Vdc input; 0.6Vdc to 3.63Vdc output; 3A Output Current
September 11, 2013 ©2013 General Electric Company. All rights reserved. Page 10
Characteristic Curves (continued)
The following figures provide typical characteristics for the Pico TLynx TM 3A modules at 3.3Vo and at 25 o C.
EFFICIE
N
C
Y,
η
(%
)
70
75
80
85
90
95
100
0 0.5 1 1.5 2 2.5 3
Vin=5.5V
Vin=4V
Vin=5V
OUTPUT CUR
REN
T, Io
(A)
0
0.5
1
1.5
2
2.5
3
3.5
20 30 40 50 60 70 80 90
0 LFM
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.
OUT
PU
T V
O
LT
AGE
V
O
(V
) (2
0m
V/
di
v)
OU
TP
U
T C
U
RR
EN
T,
OU
TP
U
T V
O
LT
AG
E
I
O
(A
) (
1A
div
)
V O
(V) (200
mV/di
v)
TIME, t (1 μs/div) TIME, t (20 μs /div)
Figure 27. Typical output ripple and noise (V
IN
= 5V, I
o
= I
o,max
).
Figure 28. Transient Response to Dynamic Load Change
from 0% 50% to 0% with V
IN
=5V.
ON/
O
FF
VO
LT
AGE
OUTPU
T
VO
LTAG
E
V
ON
/O
FF
(V
) (2V/
div)
V
O
(V
) (1V/
div)
I
N
PU
T VO
LT
AG
E
O
U
TPU
T V
O
LT
AG
E
V
IN
(V
) (
2V
/di
v)
V
O
(V
) (1
V/
di
v)
TIME, t (1ms/div) TIME, t (1ms/div)
Figure 29. Typical Start-up Using On/Off Voltage (I
o
= I
o,max
).
Figure 30. Typical Start-up Using Input Voltage (V
IN
= 5V,
I
o
= I
o,max
).