User guide
AN152
6 AN152REV1
V
A
+
=
4
.
5
V
V
A
+
=
5
.
0
V
V
A
+
=
5
.
5
V
(µA)
0
100
200
300
400
500
600
700
800
900
1000
0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 18.0
Frequency
Load Current
Figure 9. Load Current vs. Frequency for VD+ = 3.0 V, Capacitor Sizes = 0.47 uF
CS5521/22/23/24/28
V
D
+
=
3
.
3
V
V
D
+
=
3
.
0
V
V
D
+
=
2
.
7
(µA)
0
200
400
600
800
1000
1200
0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 18.0
Frequency (KHz)
Load Current (uA)
Figure 10. Load Current vs. Frequency for VA+ = 5.0 V, Capacitor Sizes = 0.47 uF
CS5521/22/23/24/28