TL431 Datasheet, PDF (14/23 Pages) Motorola, Inc – PROGRAMMABLE PRECISION REFERENCES

NXP Semiconductors
TL431 family
Adjustable precision shunt regulator
10²
Z_KA
(Ω)
10
006aab585
10²
Z_KA
(Ω)
10
006aab586
1
1
10^−1
1
10
10²
10³
10⁴
f (kHz)
I_K = 10 mA; T_amb = 25 °C
Fig 17. All types except TL431XSDT:
Dynamic cathode-anode impedance as a
function of frequency; typical values
10^−1
1
10
10²
10³
10⁴
f (kHz)
I_K = 10 mA; T_amb = 25 °C
Fig 18. TL431XSDT:
Dynamic cathode-anode impedance as a
function of frequency; typical values
1 kΩ
50 Ω
V_KA
I_K
I_K = 10 mA; T_amb = 25 °C
Fig 19. Test circuit to Figure 17 and Figure 18
GND
006aab587
TL431_FAM_2
Product data sheet
Rev. 02 — 20 January 2010
© NXP B.V. 2010. All rights reserved.
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