Cs35l00, 4 ω + 33 μ h, Filt – Cirrus Logic CS35L00 User Manual
Page 24
CS35L00
24
DS906PP1
Note:
17. “Idle Current Draw vs. VBATT - FSD Mode” capacitor values refer to C
FILT
when configured as the
“CS35L00’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
P
o
wer
(W)
VBATT Supply Voltage (V)
0.00
0.50
1.00
1.50
2.00
2.50
3.00
3.50
2.5
3
3.5
4
4.5
5
5.5
Idle
C
u
rr
ent D
raw
(mA)
VBATT Supply Voltage (V)
Figure 26. Idle Current Draw vs. VBATT - FSD Mode
R
L
= 8
Ω + 33 μH
Figure 27. Output Power vs. VBATT - FSD 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
470 pF
No Filter
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 28. Efficiency vs. Output Power - FSD Mode
R
L
= 8
Ω + 33 μH
Figure 29. Efficiency vs. Output Power - FSD Mode
R
L
= 4
Ω + 33 μH
4.2 V
3.7 V
5.0 V
4.2 V
3.7 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 30. Supply Current vs. Output Power - FSD Mode
R
L
= 8
Ω + 33 μH
Figure 31. Supply Current vs. Output Power - FSD 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