TL431 family All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved.
Product data sheet Rev. 5 — 01 September 2015 16 of 27
NXP Semiconductors
TL431 family
Adjustable precision shunt regulator
I
K
=10mA; T
amb
=25CI
K
=10mA; T
amb
=25C
Fig 19. All types except TL431XFDT and TL431XSDT:
Dynamic cathode-anode impedance as a
function of frequency; typical values
Fig 20. TL431XFDT:
Dynamic cathode-anode impedance as a
function of frequency; typical values
I
K
=10mA; T
amb
=25CI
K
=10mA; T
amb
=25C
Fig 21. TL431XSDT:
Dynamic cathode-anode impedance as a
function of frequency; typical values
Fig 22. Test circuit to Figure 19, Figure 20 and
Figure 21
006aab585
10
1
10
2
Z
KA
(Ω)
10
−1
f (kHz)
110
4
10
3
10 10
2
006aac480
10
1
10
2
Z
KA
(Ω)
10
−1
f (kHz)
110
4
10
3
10 10
2
006aab586
10
1
10
2
Z
KA
(Ω)
10
−1
f (kHz)
110
4
10
3
10 10
2
006aab587
GND
V
KA
I
K
50 Ω
1 kΩ
