Figure 14. idle current draw vs. vbatt - sd mode r, Figure 17. efficiency vs. output power - sd mode r, Figure 16. efficiency vs. output power - sd mode r – Cirrus Logic CS35L03 User Manual
Page 22: 4 + 33 h, Filt
CS35L01/03
22
DS909F1
Note:
16. “Idle Current Draw vs. VBATT - SD Mode” capacitor values refer to C
FILT
when configured as the
“CS35L01/03’s Minimized Optional Output Filter,” shown in
.
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
2.5
3.0
3.5
4.0
4.5
5.0
5.5
Out
put
Pow
er
(
W
)
VBATT Supply Voltage (V)
0.00
1.00
2.00
3.00
4.00
5.00
6.00
7.00
2.5
3
3.5
4
4.5
5
5.5
Id
le
Cu
rren
t Draw
(m
A
)
VBATT Supply Voltage (V)
Figure 14. Idle Current Draw vs. VBATT - SD Mode
R
L
= 8
+ 33 H
Figure 15. Output Power vs. VBATT - SD Mode
R
L
= 8
1% THD+N Ratio
R
L
= 8
10% THD+N Ratio
R
L
= 4
1% THD+N Ratio
R
L
= 4
10% THD+N Ratio
No Filter
470 pF
1000 pF
2200 pF
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
0
500
1000
1500
2000
2500
3000
3500
E
ff
iciency
(%)
Output Power (mW)
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
0
250
500
750
1000
1250
1500
1750
2000
E
ffi
ci
e
n
cy
(
%
)
Output Power (mW)
Figure 16. Efficiency vs. Output Power - SD Mode
R
L
= 8
+ 33 H
Figure 17. Efficiency vs. Output Power - SD Mode
R
L
= 4
+ 33 H
4.2 V
3.7 V
4.2 V
3.7 V
5.0 V
5.0 V
0
50
100
150
200
250
300
350
400
450
0
250
500
750
1000
1250
1500
1750
2000
Current
Consu
mpt
ion
(mA)
Output Power (mW)
0
100
200
300
400
500
600
700
800
0
500
1000
1500
2000
2500
3000
3500
Current
Co
nsumpt
ion
(mA
)
Output Power (mW)
Figure 18. Supply Current vs. Output Power - SD Mode
R
L
= 8
+ 33 H
Figure 19. Supply Current vs. Output Power - SD Mode
R
L
= 4
+ 33 H
5.0 V
4.2 V
3.7 V
5.0 V
4.2 V
3.7 V