Diodes AP3502E - Manual (Page 7)

Data Sheet
340kHz, 2A Synchronous DC-DC Buck Converter AP3502E
Dec. 2012 Rev. 1. 5 BCD Semiconductor Manufacturing Limited
7
Typical Performance Characteristics (Continued)
T
A
=25ºC, V
IN
=12V, V
OUT
=3.3V, unless otherwise noted.
Figure 8. Output Voltage vs. Figure 9. Maximum Load Current vs.
Input Voltage Input Voltage
Figure 10. Output Ripple (I
OUT
=2A) Figure 11. Load Transient (I
OUT
=1A to 2A)
Time 400 μs/div Time 2 μs/div
V
IN
(AC)
500mV/div
V
OUT
(AC)
20mV/div
I
L
1A/div
I
OUT
1A/div
V
OUT
(AC)
100mV/div
V
SW
10V/div
4 8 12 16 20
3.0
3.1
3.2
3.3
3.4
3.5
3.6
O
u
tp
u
t V
o
lta
ge
(V)
Input Voltage (V)
4 8 12 16 20
1.2
1.6
2.0
2.4
2.8
3.2
3.6
4.0
M
ax L
oad Current (A
)
Input Voltage (V)
V
OUT
=3.3V,L=10 μ H