Data Sheet

LM431A / LM431B / LM431C — Programmable Shunt Regulator
© 2003 Fairchild Semiconductor Corporation www.fairchildsemi.com
LM431A / LM431B / LM431C Rev. 1.2.0 6
Typical Performance Characteristics (Continued)
Figure11. Stability Boundary Conditions
100p 1n 10n 100n 1? 10?
0
20
40
60
80
100
120
140
D
C
B
A
A V
KA
= Vref
B V
KA
= 5.0 V @ I
K
= 10
mA
C V
KA
= 10 V @ I
K
= 10
mA
D V
KA
= 15 V @ I
K
= 10
mA
T
A
= 25
o
C
I
K
, CATHODE CURRENT(mA)
C
L
, LOAD CAPACITANCE