Datasheet > TL431K

TL431K

更新时间： 2024-09-27 07:04:35

品牌	Logo	应用领域
SECOS		稳压器
页数	文件大小	规格书
3页	346K
描述
Adjustable Shunt Regulator

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TL431K 数据手册

TL431K

Adjustable Shunt Regulator

Elektronische Bauelemente

RoHS Compliant Product

SC-59

Description

Dim

Min

2.70

1.40

1.00

0.35

1.70

0.00

0.10

0.20

0.85

2.40

Max

3.10

1.60

1.30

0.50

2.10

0.10

0.26

0.60

1.15

2.80

The TL431K series are three-terminal adjustable regulators

with guaranteed thermal stability over applicable temperature

ranges. The output voltage may be set to any value between

Top View

VREF (approximately 2.495V) and 36V with two extermal

resistors. In provides very wide applications, including shunt

regulator, series regulator, switching regulator, voltage

reference and others.

All Dimension in mm

Absolute Maximum Ratings at Ta=25^oC

Parameter

Cathode Voltage

Symbol

VKA

Ratings

Unit

Cathode Current Range (Continuous)

Reference Input Current Range

Total Power Dissipation

IKA

-100~+150

IREF

-0.05~+10

225

^oC

Operating Junction and Storage Temperature Range

-65~+150

Tj, Tstg

Characteristics at Ta=25^oC

Parameter

Cathode Voltage

Symbol

Max.

Min.

Typ.

Unit

Test Condition

VREF

VKA

Cathode Current

IKA

100

2.545

2.445

2.495

TL431KC

TL431KB

TL431KA

Reference Input Voltage

VREF

KA=VREF,I =10mA

2.470

2.483

2.520

2.507

Deviation of Reference Input Voltage

Over Temperature (Note)

KA=VREF,I =10mA

REF/ T

4.5

≤

TMIN

TMAX

VKA=10V~VREF

-2.7

-2

-1.0

-0.5

1.5

Ratio of Change in Reference Input

Voltage to The Change in Cathode Voltage

VREF/ VKA

IK=10mA

mV/V

VKA=36V~10V

,R2=

I =10mA,R1=10K

Reference Input Current

IREF

∞

,R2=

∞

K=10mA,R1=10K

Deviation of Reference Input Current

Over Full Temperature Range

IREF/ T

1.2

0.4

TA=Full

Temperature

KA(min)

Min. Cathode Current For Regulation

Off-State Cathode Current

1.0

0.45

0.05

KA=VREF

KA(off)

VKA=36V,VREF=0

KA=VREF,I

K=1~100mA,

Dynamic Impedance

IZKA

0.5

0.15

≤

1KHz

Note: TMIN=0^oC, TMAX=+70^oC

http://www.SeCoSGmbH.com/

Any changing of specification will not be informed individual

01-Jun-2002 Rev. B

Page 1 of 3

12 3

中文翻译

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