Cirrus Logic CS35L00 - Manual (Page 22)

CS35L00
22 DS906PP1
Note:
16. “Idle Current Draw vs. VBATT - SD Mode” capacitor values refer to C
FILT
when configured as the
“CS35L00’s Minimized Optional Output Filter”, shown in Figure 5 on page 17 .
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)
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)
Figure 14. Idle Current Draw vs. VBATT - SD Mode
R
L
= 8 Ω + 33 μH (Note 16)
Figure 15. Output Power vs. VBATT - SD Mode
R
L
= 8 Ω
1% THD+N Ratio
R
L
= 8 Ω
10% THD+N Ratio
R
L
= 4 Ω
1% THD+N Ratio
R
L
= 4 Ω
10% THD+N Ratio
No Filter
470 pF
1000 pF
2200 pF
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)
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)
Figure 16. Efficiency vs. Output Power - SD Mode
R
L
= 8
Ω + 33 μH
Figure 17. Efficiency vs. Output Power - SD Mode
R
L
= 4
Ω + 33 μH
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 Ω + 33 μH
Figure 19. Supply Current vs. Output Power - SD Mode
R
L
= 4 Ω + 33 μH
5.0 V
4.2 V
3.7 V
5.0 V
4.2 V
3.7 V