Diodes AP3502E - Manual (Page 6)

Data Sheet
340kHz, 2A Synchronous DC-DC Buck Converter AP3502E
Dec. 2012 Rev. 1. 5 BCD Semiconductor Manufacturing Limited
6
Typical Performance Characteristics
T
A
=25ºC, V
IN
=12V, V
OUT
=3.3V, unless otherwise noted.
Figure 4. Efficiency vs. Load Current Figure 5. Quiescent Current vs. Temperature
Figure 6. Feedback Voltage vs. Temperature Figure 7. Output Voltage vs. Load Current
-50 -25 0 25 50 75 100 125 150
0.9
1.0
1.1
1.2
1.3
1.4
Quiesc
ent Current
(mA
)
Temperature ( o C)
-50 -25 0 25 50 75 100 125 150
0.90
0.91
0.92
0.93
0.94
F
eed
back
Voltage
(V)
Temperature ( o C)
0.0 0.4 0.8 1.2 1.6 2.0 2.4
3.0
3.1
3.2
3.3
3.4
3.5
3.6
O
utput Voltage
(V
)
Load Current (A)
0.01 0.1 1 10
10
20
30
40
50
60
70
80
90
100
E
ffi
ci
e
n
cy
(%
)
Load Current (A)
V
OUT
=3.3V, L=10 μ H T
A
=25 o C
V
IN
=5V
V
IN
=12V