Data sheet, Typical performance characteristics, Bcd semiconductor manufacturing limited 6 – Diodes AUR9705 User Manual
Page 6: Figure 4. efficiency vs. output current (v, 2v) figure 5. efficiency vs. output current (v, Figure 6. efficiency vs. output current (v, 3v) figure 7. frequency vs. input voltage
Data Sheet
1.5MHz, 1A, STEP DOWN DC-DC CONVERTER AUR9705
Sep. 2013 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
6
Typical Performance Characteristics
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
0
10
20
30
40
50
60
70
80
90
100
Output Current (A)
Ef
fi
c
ie
n
cy
(
%
)
C
OUT
=10μF
L=2.2μH
V
IN
=3.3V
V
IN
=4.2V
V
IN
=5V
V
IN
=5.5V
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
0
10
20
30
40
50
60
70
80
90
100
Output Current (A)
Eff
ici
ency (%)
C
OUT
=10μF
L=2.2μH
V
IN
=2.5V
V
IN
=3.3V
V
IN
=4.2V
V
IN
=5V
V
IN
=5.5V
Figure 4. Efficiency vs. Output Current (V
OUT
=1.2V) Figure 5. Efficiency vs. Output Current (V
OUT
=2.5V)
2.5
3.0
3.5
4.0
4.5
5.0
5.5
1.20
1.25
1.30
1.35
1.40
1.45
1.50
1.55
1.60
Input Voltage (V)
F
requency
(M
Hz)
V
OUT
=1.2V
L=2.2
μ
H
C
OUT
=10
μ
F
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
0
10
20
30
40
50
60
70
80
90
100
Output Current (A)
Ef
fi
ciency (%)
C
OUT
=10μF
L=2.2μH
V
IN
=4.2V
V
IN
=5.0V
V
IN
=5.5V
Figure 6. Efficiency vs. Output Current (V
OUT
=3.3V) Figure 7. Frequency vs. Input Voltage