Preliminary Data Sheet
January 19, 2012
3A Analog Pico DLynx
TM
: Non-isolated DC-DC Power Modules
3 – 14.4Vdc input; 0.6Vdc to 5.5Vdc output; 3A output current
Characteristic Curves
The following figures provide typical characteristics for the 3A Analog Pico DLynx
TM
at 1.2Vo and 25
o
C.
95
90
3.5
OUTPUT CURRENT, Io (A)
3.0
NC
EFFICIENCY,
η
(%)
85
Vin=3.3 V
80
75
Vin=12V
70
65
0
0.5
1
1.5
2
2.5
3
Vin=14.4V
2.5
Standard
Part (85 C)
0.5m/s
(100LFM)
2.0
Ruggedized (D)
Part (105°C)
1m/s
(200LFM)
1.5
55
65
75
85
95
O
105
OUTPUT CURRENT, I
O
(A)
AMBIENT TEMPERATURE, T
A
C
Figure 7. Converter Efficiency versus Output Current.
Figure 8. Derating Output Current versus Ambient
Temperature and Airflow.
OUTPUT VOLTAGE
V
O
(V) (20mV/div)
OUTPUT CURRENT,
OUTPUT VOLTAGE
TIME, t (1μs/div)
I
O
(A) (1Adiv)
V
O
(V) (10mV/div)
TIME, t (20μs /div)
Figure 9. Typical output ripple and noise (C
O
=10μF
ceramic, V
IN
= 12V, I
o
= I
o,max,
).
Figure 10. Transient Response to Dynamic Load
Change from 50% to 100% at 12Vin, Cout-
1x47uF+1x330uF, CTune-10nF & RTune-261
ON/OFF VOLTAGE
V
ON/OFF
(V) (5V/div)
INPUT VOLTAGE
OUTPUT VOLTAGE
OUTPUT VOLTAGE
V
O
(V) (500mV/div)
TIME, t (2ms/div)
V
O
(V) (500mV/div)
V
IN
(V) (5V/div)
TIME, t (2ms/div)
Figure 11. Typical Start-up Using On/Off Voltage (I
o
=
I
o,max
).
Figure 12. Typical Start-up Using Input Voltage (V
IN
=
12V, I
o
= I
o,max
).
LINEAGE
POWER
7
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
