Diodes AUR9719 - Manual (Page 6)

Data Sheet
1.5MHz, 2A, STEP DOWN DC-DC CONVERTER AUR9719
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 0.5 1.0 1.5 2.0
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
=1.0V
Efficien
cy
(%)
Output Current (A)
0.0 0.5 1.0 1.5 2.0
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
=1.2V
Effi
c
iency (%)
Output Current (A)
0.0 0.5 1.0 1.5 2.0
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
=1.8V
Effi
c
iency (%)
Output Current (A)
0.0 0.5 1.0 1.5 2.0
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
Effi
c
iency (%)
Output Current (A)