Instruction Manual

GE
Data Sheet
2A PicoTLynx
TM
: Non-Isolated DC-DC Power Modules
3Vdc –14Vdc input; 0.6Vdc to 5.5Vdc output; 2A Output Current
February 26, 2013 ©2013 General Electric Company. All rights reserved. Page 11
Characteristic Curves
The following figures provide typical characteristics for the APXS002A0X-SRZ (5V, 2A) at 25
o
C.
EFFICIENCY, η (%)
70
75
80
85
90
95
100
0 0.4 0.8 1.2 1.6 2
Vin=14V
Vin=12V
Vin=6.5V
OUTPUT CURRENT, Io (A)
0.0
0.5
1.0
1.5
2.0
2.5
45 55 65 75 85 95 105
NC
Standard Test
Extended Test
OUTPUT CURRENT, I
O
(A) AMBIENT TEMPERATURE, T
A
O
C
Figure 31. Converter Efficiency versus Output Current.
Figure 32. Derating Output Current versus Ambient
Temperature and Airflow.
OUTPUT VOLTAGE
V
O
(V) (10mV/div)
OUTPUT CURRENT, OUTPUT VOLTAGE
I
O
(A) (1Adiv) V
O
(V) (100mV/div)
TIME, t (1μs/div) TIME, t (20μs /div)
Figure 33. Typical output ripple and noise (V
IN = 12V, Io =
I
o,max).
Figure 34. Transient Response to Dynamic Load Change from
0% to 50% to 0%.
OUTPUT VOLTAG E ON/OFF VOLTAGE V
O
(V) (2V/div) V
ON/OFF
(V) (5V/div)
OUTPUT VOLTAGE INPUT VOLTAGE Vo (V) (2V/div) V
IN
(V) (5V/div)
TIME, t (2ms/div) TIME, t (2ms/div)
Figure 35. Typical Start-up Using On/Off Voltage (Io = Io,max,
Vin=12V,Cext= 22uF).
Figure 36. Typical Start-up Using Input Voltage (V
IN = 12V, Io =
I
o,max, Cext= 22uF).