SLVUBB4 User guide

SLVUBB4B November 2017 – February 2023

#T5147377-124 is a schematic of a Type III compensation network.

Figure 12-4 Schematic of a Type III Compensation Network

Type III:

Equation 93.

G_{E A} (s) = \frac{A_{V M} \times \frac{ω_{Z E A}}{s} \times (1 + \frac{s}{ω_{Z E A}}) \times (1 + \frac{s}{ω_{Z F F}})}{(1 + \frac{C_{H F}}{C_{C O M P}}) \times (1 + \frac{s}{ω_{P F F}}) \times (1 + \frac{s}{ω_{H F}})}

Equation 94.

G_{F B} (s) = \frac{A_{V M} \times \frac{ω_{Z E A}}{s} \times (1 + \frac{s}{ω_{Z E A}}) \times (1 + \frac{s}{ω_{Z F F}})}{\frac{R_{F B B}}{R_{F B B} + R_{F B T}} \times (1 + \frac{C_{H F}}{C_{C O M P}}) \times (1 + \frac{s}{ω_{P F F}}) \times (1 + \frac{s}{ω_{H F}})}

DC-Gain:

Equation 95.

A_{V M} = \frac{R_{C O M P}}{R_{F B T}}

Compensation zero 1:

Equation 96.

ω_{Z E A} = \frac{1}{R_{C O M P} \times C_{C O M P}}

Compensation zero 2:

Equation 97.

ω_{Z F F} = \frac{1}{R_{F B T} \times C_{F F}}

Compensation pole 1:

Equation 98.

ω_{F P} = \frac{1}{R_{F F} \times C_{F F}}

Compensation pole 2:

Equation 99.

ω_{H F} = \frac{1}{R_{C O M P} \times C_{H F}}