PROGRAMMABLE PRECISION SHUNT REGULATOR

LM431/A/C

Apr. 2012 – Rev.1.1

- 4 -

HTC

minimum values obtained over the recommended temperature range. The average full-range temperature

Where :

the lower temperature.

Calculating Dynamic Impedance

The dynamic impedance is defined as :

KA

KA

KA

I

V

Z







When the device is operating with two external resistors, the total dynamic impedance of the circuit is given by :











 









2

1

1

'

R

R

Z

I

V

Z

KA