Diodes AP3410 - Manual (Page 6)

Preliminary Datasheet
1.5MHz Synchronous Step-down DC-DC Converter AP3410
Mar. 2013 Rev. 1. 1 BCD Semiconductor Manufacturing Limited
6
Typical Performance Characteristics
V
IN
=5V, T
A
=25°C, unless otherwise noted.
Figure 4. Efficiency vs. Output Current Figure 5. Regulated Feedback Voltage vs. Temperature
Figure 6. Output Ripple (I
OUT
=0A) Figure 7. Output Ripple (I
OUT
=1.2A)
0.0 0.2 0.4 0.6 0.8 1.0 1.2
40
45
50
55
60
65
70
75
80
85
90
95
100
Output Current (A)
E
ffi
c
ie
n
c
y
(
%
)
V
IN
=5.0V
V
OUT
=1.0V
V
OUT
=1.2V
V
OUT
=1.8V
V
OUT
=2.5V
V
OUT
=3.3V
-40 -20 0 20 40 60 80 100 120 140
0.50
0.52
0.54
0.56
0.58
0.60
0.62
0.64
0.66
0.68
0.70
Temperature ( o C)
Reg
ulated F
e
e
dback
V
o
lt
a
ge (V
)
V
IN
=5.0V
V
OUT_AC
10mV/div
V
SW
2V/div
I
L
500mA/div
Time 800
µs/div
V
OUT_AC
10mV/div
V
SW
2V/div
I
L
1A/div
Time 400ns/div