LTC3458L
13
3458lfa
The typical error amp compensation is shown in Figure 2.
The equations for the loop dynamics are as follows:
f
eCC
which is close to DC
f
RCC
f
RCC
POLE
ZERO
Z
POLE
Z
1
6
1
2
1
210 1
1
21
1
22
≈
=
≈
π
π
π
••
••
••
–
+
7
8
COMP
FB
ERROR
AMP
1.225V
V
OUT
R1
R2
CC1
CC2
R
Z
3458L F01
Figure 2
APPLICATIO S I FOR ATIO
WUUU
