Application information

L7987

24/37

DocID025589 Rev 3

Equation 15

transfer function can be rewritten as follows:

Equation 16

Equation 17

Equation 18

Equation 19

As noted in Section 5.2 on page 21, two different kinds of network can compensate the loop,

In Section 5.4.1 and Section 5.4.2 the guidelines to select the type II and type III

compensation network are illustrated.









O

D C

O

E S

O

D C

E S

O

D C

O

O

E S

O

O

E S

O

O

D C

O

E S

O

O

E S

O

L C

R

R

R

R

C

R

R

C

R

R

C

L

s

R

R

L C

s

R

s C

R

R

s L

s C

R

R

s C

R

R

s

G

































































2

1

1

1



1

s

2

 f

zESR



---------------------------

+

1

s

2

 Q





-------------------------------

s

2

 f

LC



--------------------



++

-----------------------------------------------------------------------------



;

=

+

-------------------------- 1



=

1

2

 C



--------------------------------;

=

1

2

 LC

O

+

+

--------------------------

------------------------------------------------------

1

2

 LC

O

+

-------------------------

-----------------------------------------------------



=

Q

+



+



++



+

-----------------------------------------------------------------------------------------------------------

+





+

-------------------------------------------------------------------------



=