Data Sheet
October 8, 2009
Pico TLynx
TM
3A: Non-isolated DC-DC Power Modules
2.4 – 5.5Vdc input; 0.6Vdc to 3.63Vdc output; 3A output current
Characteristic Curves
The following figures provide typical characteristics for the Pico TLynx
TM
3A modules at 0.6Vo and at 25
o
C.
86
84
82
3.5
3
OUTPUT CURRENT, Io (A)
EFFICIENCY,
η
(%)
2.5
2
1.5
1
0.5
0 LFM
0
20
30
40
50
60
70
O
80
78
Vin=2.4V
76
74
72
70
0
0.5
1
1.5
2
2.5
3
Vin=3.3V
Vin=5.5V
80
90
OUTPUT CURRENT, I
O
(A)
AMBIENT TEMPERATURE, T
A
C
Figure 1. Converter Efficiency versus Output Current.
Figure 2. Derating Output Current versus Ambient
Temperature and Airflow.
OUTPUT VOLTAGE
OUTPUT CURRENT,
V
O
(V) (100mV/div)
I
O
(A) (1Adiv)
OUTPUT VOLTAGE
V
O
(V) (20mV/div)
TIME, t (1μs/div)
TIME, t (20μs /div)
Figure 3. Typical output ripple and noise (V
IN
= 5V, I
o
=
I
o,max
).
OUTPUT VOLTAGE
V
O
(V) (200mV/div)
Figure 4. Transient Response to Dynamic Load
Change from 0% to 50% to 0% with V
IN
=5V.
OUTPUT VOLTAGE
INPUT VOLTAGE
ON/OFF VOLTAGE
V
ON/OFF
(V) (2V/div)
TIME, t (1ms/div)
V
IN
(V) (2V/div)
V
O
(V) (200mV/div)
TIME, t (1ms/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
=
5V, I
o
= I
o,max
).
LINEAGE
POWER
6
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
