Data Sheet
March 31, 2011
12V Pico TLynx
TM
2A: Non-isolated DC-DC Power Modules
3 – 14Vdc input; 0.6Vdc to 5.5Vdc output; 2A output current
Characteristic Curves
The following figures provide typical characteristics for the APXS002A0X-SRZ (1.8V, 2A) at 25
o
C.
95
2.5
2.0
1.5
1.0
0.5
0.0
45
55
65
75
85
O
NC
EFFICIENCY,
η
(%)
Vin=3V
Vin=12V
85
80
75
70
0
0.4
0.8
1.2
1.6
2
Vin=14V
OUTPUT CURRENT, Io (A)
90
Standard Test
Extended Test
95
105
OUTPUT CURRENT, I
O
(A)
AMBIENT TEMPERATURE, T
A
C
Figure 13. Converter Efficiency versus Output Current.
OUTPUT VOLTAGE
OUTPUT CURRENT,
Figure 14. Derating Output Current versus Ambient
Temperature and Airflow.
V
O
(V) (100mV/div)
I
O
(A) (1Adiv)
OUTPUT VOLTAGE
V
O
(V) (10mV/div)
TIME, t (1μs/div)
TIME, t (20μs /div)
Figure 15. Typical output ripple and noise (V
IN
= 12V, I
o
= I
o,max
).
ON/OFF VOLTAGE
V
ON/OFF
(V) (5V/div)
Figure 16. Transient Response to Dynamic Load
Change from 0% to 50% to 0%.
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 17. Typical Start-up Using On/Off Voltage (I
o
=
I
o,max,
V
in=
12V,Cext= 22uF
,
).
Figure 18. Typical Start-up Using Input Voltage (V
IN
=
12V, Cext= 22uF, I
o
= I
o,max
).
LINEAGE
POWER
8
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
