TL431 datasheet(1/3 Pages) YFWDIODE

Part #	TL431

Description	Adjustable Accurate Reference Source

PDF	3 Pages

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Manufacturer	YFWDIODE [DONGGUAN YOU FENG WEI ELECTRONICS CO., LTD]

Direct Link	http://www.yfwdiode.com/

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1 / 3 page

TL431 SOT-23

1 / 3

www.yfwdiode.com

Dongguan YFW Electronics Co, Ltd.

Features

The output voltage can be adjusted to 36V

Low dynamic output impedance, its typical value is 0.2

Trapping current capability is 1 to 100mA

The typical value of the equivalent temperature factor in the

whole temperature scope is 50 ppm/

The effective temperature compensation in the working

range of full temperature

Low output noise voltage

Fast on-state response

Electrical Characteristics (Ta = 25 unless otherwise specified)

ti

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T

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tl

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f

e

R

REF

VKA = VREF , IKA = 10mA

2.45

2.5

2.55

V

e

g

a

tl

o

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it

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D

KA

= VREF , IKA = 10mA

Over Temperature

(*)

Tmin

Ta

Tmax

Ratio of Change in Reference Input Voltage

IKA = 10mA , VKA = 10V

VREF

-1.0

-2.7 mV/V

to the Change in Cathode Voltage

IKA = 10mA , VKA = 36V

10V

-0.5

-2.0 mV/V

I

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R

REF

IKA = 10mA , R1 = 10K , R2 =

1.5

4

A

Deviation of Reference Input Current

IKA = 10mA , R1 = 10K , R2 =

T

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ll

u

F

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O

A

= Full Temperature

Minimum Cathode Current for Regulation

IKA(min)

VKA = VREF

0.45

1.0

mA

I

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C

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-f

f

O

KA(OFF)

VKA = 36V, VREF

0

.

1

5

0

.

0

=

A

Z

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D

KA

VKA = VREF, IKA = 1 to 100mA,

f

1.0KHz

0.15

0.5

* TMIN = 0 , TMAX = +70

mV

0.4

1.2

A

VREF/ T

VREF/ VKA

IREF/ T

4.5

17

Absolute Maximum Ratings (Operating temperature range applies unless otherwise specified)

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KA

37

V

Cathode Current Range (Continuous)

IKA

-100

+150

mA

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REF

0.05

+10

mA

P

n

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D

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w

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P

D

350

mW

T

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OPR

0

70

T

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p

m

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T

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a

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S

STG

-65

+150

Classification Of VREF

Rank

0.3﹪

0.5﹪

1﹪

2﹪

Rangfe

2.493~2.508

2.487~2.512

2.475~2.525

2.450~2.550

Adjustable Accurate Reference Source

1

2

3

■

Simplified outline(SOT-23)

1.Reference

2.Cathode

3.Anode

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