Diodes AUR9703 - Manual (Page 6)

Data Sheet
1.5MHz, 800mA, STEP DOWN DC-DC CONVERTER AUR9703
Nov. 2011 Rev. 1 .0 BCD Semiconductor Manufacturing Limited
6
Typical Performance Characteristics
Figure 4. Efficiency vs. Output Current (V
OUT
=1.0V) Figure 5. Efficiency vs. Output Current (V
OUT
=1.2V)
Figure 6. Efficiency vs. Output Current (V
OUT
=1.8V) Figure 7. Efficiency vs. Output Current (V
OUT
=2.5V)
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
0
10
20
30
40
50
60
70
80
90
100
V
IN
=2.5V
V
IN
=3.3V
V
IN
=4.2V
V
IN
=5.0V
V
IN
=5.5V
V
OUT
=1.0V
Efficie
n
cy (%)
Output Current (A)
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
0
10
20
30
40
50
60
70
80
90
100
V
IN
=2.5V
V
IN
=3.3V
V
IN
=4.2V
V
IN
=5.0V
V
IN
=5.5V
V
OUT
=1.2V
Efficiency
(%
)
Output Current (A)
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
0
10
20
30
40
50
60
70
80
90
100
V
IN
= 2.5V
V
IN
= 3.3V
V
IN
= 4.2V
V
IN
= 5.0V
V
IN
= 5.5V
V
OUT
=1.8V
Efficiency
(%
)
Output Current (A)
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
0
10
20
30
40
50
60
70
80
90
100
V
IN
= 3.3V
V
IN
= 4.2V
V
IN
= 5.0V
V
IN
= 5.5V
V
OUT
=2.5V
E
fficie
n
c
y
(%
)
Output Current (A)