Cirrus Logic AN365 - Manual (Page 12)

AN365
12 AN365REV1
4.3.2 Reactive Energy Load Performance
Figure 11. Reactive Energy Load Performance
Power Factor Load Current (A) Current Dynamic Range (x:1) Error
sin  = 1
120 1 -0.02%
60 2 -0.02%
12 10 -0.03%
1.2 100 -0.03%
0.24 500 0.03%
0.12 1000 0.01%
0.06 2000 0.02%
0.036 3333 0.09%
0.03 4000 0.08%
Lagging  = 0.5
120 1 0.19%
60 2 0.19%
12 10 0.19%
1.2 100 0.17%
0.24 500 0.20%
0.12 1000 0.26%
0.06 2000 0.23%
Leading  = 0.5
120 1 -0.23%
60 2 -0.22%
12 10 -0.24%
1.2 100 -0.24%
0.24 500 -0.2%
0.12 1000 -0.16%
0.06 2000 -0.17%
Table 10. Reactive Energy Load Performance
-1
-0.5
0
0.5
1
0.01 0.1 1 10 100
Percentage Error (%
)
Load Current (A)
sin ࢥ = 1 Lagging sin ࢥ = 0.5 Leading sin ࢥ = 0.5