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AN2859

Resistor settings

29

Appendix C

Resistor settings

Figure 15, and equations 37, 38 and39 define conditions to identify the state of each AC

switch.

Equation 37

Equation 38

Equation 39

C.1

the STCC08 AVF output electrical dispersion and the DC power supply characteristic, the

Equation 40

Equation 41

Equation 42

0_Max

1_Min

V

V

>

1_Max

2_Min

V

V

>

3_Min

2_Max

V

V

<

0_Max

1_Min

V

V

>

AVF_L_Max

R_Max

4

2

1

R_Min

2

1

AVF_L_Min

R_Min

4

CC_Min

V

X

·

R

R

R

X

·

R

R

·

V

X

·

R

·

V

>

⎟

⎠

⎞

⎜

⎝

⎛

+

+

⎟

⎠

⎞

⎜

⎝

⎛

+

+

⎟⎟

⎟

⎠

⎞

⎜⎜

⎜

⎝

⎛

−

⎥

⎥

⎥

⎦

⎤

⎢

⎢

⎢

⎣

⎡

−

⎟⎟

⎟

⎠

⎞

⎜⎜

⎜

⎝

⎛

⎟

⎠

⎞

⎜

⎝

⎛

+

>

R_Min

R_Max

AVF_L_Max

CC_Min

AVF_L_Min

R_Min

R_Max

AVF_L_Max

2

1

4

X

X

·

V

V

V

X

X

·

V

·

R

R

R