L5985 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'L5985' PDF : 36 Pages View PDF
L5985
5.4.2
Type II compensation network
In Figure 13 the type II network is shown.
Figure 13. Type II compensation network
Application informations
The singularities of the network are:
fZ1 = 2----π-----⋅---R--1---4----⋅---C----4-,
fP0 = 0,
fP1 = 2----π-----⋅---R-----4----⋅1----C-C-------4--4------+--⋅------C--C--------5--5--
In Figure 14 the Bode diagram of the PWM and LC filter transfer function (GPW0 · GLC(f))
and the open loop gain (GLOOP(f)=GPW0 · GLC(f) · GTYPEII(f)) are drawn.
Figure 14. Open loop gain: module Bode diagram
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