TL431SKA3 datasheet(3/9 Pages) CYSTEKEC

部品番号	TL431SKA3

部品情報	Adjustable Precision Shunt Regulators

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メーカー	CYSTEKEC [Cystech Electonics Corp.]

ホームページ	http://www.cystekec.com

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CYStech Electronics Corp.

Spec. No. : C111A3

Issued Date : 2015.09.18

Revised Date :

Page No. : 3/ 9

TL431SKA3

CYStek Product Specification

Electrical Characteristics ( Ta=25°C unless otherwise specified )

Characteristics

Symbol

Test Conditions

Min

Typ

Max

Unit

Test

Circuit

A-rank

2.480 2.495 2.510

B-rank

2.470 2.495 2.520

Reference Input Voltage

C-rank

VREF

VKA=VREF, IK=10mA

2.445 2.495 2.545

V

1

Deviation of Reference Input Voltage

Over Full Temperature Range

VREF(dev)

VKA=VREF, IK=10mA

0

≤Ta≤125 °C

-

8

17

mV

1

IK=10mA,

ΔVKA=10V to VREF

-

-1.0

-2.7

mV/V

2

Ratio of Change in Reference Input

Voltage to the Change in Cathode

Voltage

ΔVREF /

ΔVKA

IK=10mA,

ΔKKA=36V to 10V

-

-0.4

-2.0

mV/V

2

Reference Input Current

IREF

IK=10mA, R1=10kΩ,

R2=∞

-

0.5

1.2

μA

2

Deviation of Reference Input Current

Over Full Temperature Range

IREF(dev)

IK=10mA, R1=10kΩ,

R2=∞, Ta=Full Range

-

0.4

1.2

uA

2

Minimum Cathode Current for

Regulation

IK(min)

VKA=VREF

-

0.04

0.3

mA

1

Off-State Cathode Current

IK(off)

VKA=36V, VREF=0V

-

0.01

0.8

μA

3

Dynamic impedance

ZKA

VKA=VREF, f≤1.0KHz

IK=0.2 to 100mA

-

0.1

0.37

Ω

1

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