GE Industrial Solutions 3A Analog PicoDLynx - Manual (Page 6)

GE
Preliminary Data Sheet
3A Analog PicoDLynx TM : Non-Isolated DC-DC Power Modules
3Vdc –14.4Vdc input; 0.6Vdc to 5.5Vdc output; 3A Output Current
December 7, 2012 ©2012 General Electric Company. All rights reserved. Page 6
Characteristic Curves
The following figures provide typical characteristics for the 3A Analog PicoDLynx TM at 0.6Vo and 25 o C.
EF
FI
CI
EN
CY,
η
(
%
)
OUTPUT C
U
RRENT
, Io (
A)
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.
OU
TP
U
T V
O
LT
AG
E
V
O
(V
) (
20
m
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
di
v)
V
O
(V
) (1
0m
V/
di
v)
TIME, t (1 μs/div) TIME, t (20 μs /div)
Figure 3. Typical output ripple and noise (C
O
=10μF ceramic,
V
IN
= 8V, I
o
= I
o,max,
).
Figure 4. Transient Response to Dynamic Load Change from 50%
to 100% at 8Vin, Cout-1x47uF+2x330uF,
CTune-27nF, RTune-178
O
U
TPU
T
VO
LT
AG
E
O
N
/O
FF
VO
LTA
G
E
V O
(V) (200
mV/di
v)
V
ON
/O
FF
(V
) (5
V/
di
v)
O
U
TPU
T
VO
LTAG
E
IN
PUT
VO
LTAGE
V
O
(V)
(2
00m
V/
di
v)
V IN
(V
) (5V/
div
)
TIME, t (2ms/div) TIME, t (2ms/div)
Figure 5. Typical Start-up Using On/Off Voltage (I
o
= I
o,max
). Figure 6. Typical Start-up Using Input Voltage (V
IN
= 8V, I
o
= I
o,max
).
50
55
60
65
70
75
80
85
90
0 0.5 1 1.5 2 2.5 3
Vin=3.3V
Vin=6V Vin=8V
1.5
2.0
2.5
3.0
3.5
55 65 75 85 95 105
0.5m/s
(100LFM)
NC
2m/s
(400LFM)
1.5m/s
(300LFM)
1m/s
(200LFM)
Standard Part
(85 °C)
Ruggedized (D)
Part (105 °C)