TL431CPWR datasheet(16/83 Pages) TI

16 / 83 page

Typical Characteristics

Data at high and low temperatures are applicable only within the recommended operating free-air temperature ranges of the

various devices.

180

140

120

100

1 k

220

240

f − Frequency − Hz

260

10 k

100 k

200

160

IO = 10 mA

TA = 25°C

Figure 7-7. Equivalent Input Noise Voltage vs Frequency

−1

−2

−4

−5

−6

−3

t − Time − s

f = 0.1 to 10 Hz

IKA = 10 mA

TA = 25°C

Figure 7-8. Equivalent Input Noise Voltage Over a 10-S Period

19.1 V

VCC

TLE2027

AV = 10 V/mV

VEE

0.1 µF

160 kΩ

820 Ω

(DUT)

TL431

16 Ω

910 Ω

2000 µF

1 kΩ

VEE

VCC

1 µF

16 kΩ

1 µF

33 kΩ

AV = 2 V/V

22 µF

500 µF

Oscilloscope

−

Figure 7-9. Test Circuit for Equivalent Input Noise Voltage Over a 10-S Period

TL431, TL432

SLVS543Q – AUGUST 2004 – REVISED JULY 2022

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TL431CPWR Datasheet(PDF) 16 Page - Texas Instruments

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