Datasheet

Application information A7986A
24/42 DocID022801 Rev 5
Figure 13. Type II compensation network
The singularities of the network are:
Equation 29
In Figure 14, the Bode diagram of the PWM and LC filter transfer function (G
PW0
· G
LC
(f))
and the open loop gain (G
LOOP
(f) = G
PW0
· G
LC
(f) · G
TYPEII
(f)) are drawn.
Figure 14. Open loop gain: module Bode diagram
f
Z1
1
2π R
4
C
4
⋅⋅
------------------------------= f
P0
0= f
P1
1
2π R
4
C
4
C
5
⋅
C
4
C
5
+
--------------------⋅⋅
--------------------------------------------=,,