Snubber network compensation method

AN2653

18/22

Table 7 to Table 10 give the results of compensation in a follower configuration and several

gain configurations for different load conditions.

Table 7.

Results of snubber network compensation for different load conditions in the case of

a voltage follower configuration for TS507

(

Ω)

(nF)

(dB)

M

ϕ(1)

(degree)

(

Ω)

(nF)

Mg(1)

(dB)

M

ϕ(1)

(degree)

(

Ω)

(nF)

Mg(1)

(dB)

M

ϕ(1)

(degree)

1nF

-4.1

-28.5 °

-5

-34.1 °

-5.1

-34.4 °

34.4

100

7.3

16.9 °

31.6

100

7.7

16.7 °

31.6

100

7.7

16.8 °

10 nF

-22.2

-78.4 °

-22.9

-79.5 °

-23

-79.6 °

13.5

100

-7.5

-18.3 °

13.5

100

-7.6

-18.5 °

13.5

100

-7.7

-18.5 °

1.

Negative values indicate instability.

Table 8.

Results of snubber network compensation for different load conditions in the case of

(

Ω)

(nF)

(dB)

M

ϕ(1)

(degree)

(

Ω)

(nF)

Mg(1)

(dB)

M

ϕ(1)

(degree)

(

Ω)

(nF)

Mg(1)

(dB)

M

ϕ(1)

(degree)

1nF

2.4

28.7 °

1.5

19.4 °

1.4

19.6 °

58.9

100

11

37.6 °

56.2

100

10.9

37.6 °

58.9

100

10.6

37.6 °

10 nF

-15.7

-70.9 °

-16.5

-72.4 °

-16.6

-72.6 °

13.5

100

-1.5

-4 °

13.5

100

-1.6

-4.1 °

13.5

100

-1.6

-4.1 °

1.

Negative values indicate instability.

Table 9.

Results of snubber network compensation for different load conditions in the case of

(

Ω)

(nF)

(dB)

M

ϕ(1)

(degree)

(

Ω)

(nF)

Mg(1)

(dB)

M

ϕ(1)

(degree)

(

Ω)

(nF)

Mg(1)

(dB)

M

ϕ(1)

(degree)

1nF

17.6

84.7 °

16.8

85.1 °

16.7

85.2 °

171.1

100

21.6

81.8 °

149.1

100

21.6

81.8 °

146.8

100

21.6

81.8 °

10 nF

-0.6

-16.1 °

-1.3

-25.7 °

-1.4

-25.9 °

26.1

100

11.3

60.6 °

25.7

100

11.3

60.7 °

25.5

100

11.3

60.6 °

100 nF

-13

-69.2 °

-13.3

-69.8 °

-13.3

-69.9 °

17.1

100

-5.2

-33.3 °

15.3

100

-5.4

-31.7 °

15.3

100

-5.4

-31.7 °

1.

Negative values indicate instability.