TL431S5 datasheet(3/8 Pages) CYSTEKEC

Part #	TL431S5

Description	Adjustable Precision Shunt Regulators

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Manufacturer	CYSTEKEC [Cystech Electonics Corp.]

Direct Link	http://www.cystekec.com

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3 / 8 page

CYStech Electronics Corp.

Spec. No. : C502S5

Issued Date : 2013.10.30

Revised Date : 2013.11.27

Page No. : 3/ 8

TL431S5

CYStek Product Specification

Electrical Characteristics ( Ta=25

°C unless otherwise specified )

Characteristics

Symbol

Test Conditions

Min

Typ

Max

Unit

A-RANK

2.480 2.495 2.510

Reference Input Voltage

B-RANK

VREF

VKA=VREF, IK=10mA

2.470 2.495 2.520

V

Deviation of Reference Input Voltage

Over-Temperature

VREF(dev)

VKA=VREF, IK=10mA

Tmin

≤Ta≤Tmax

-

4

17

mV

IK=10mA,

ΔVKA=10V-VREF

-

-1.4

-2.7

mV/V

Ratio of Change in Reference Input

Voltage to the Change in Cathode

Voltage

ΔVREF /

ΔVKA IK=10mA,

ΔKKA=36V-10V

-

-1.0

-2.0

mV/V

Reference Input Current

IREF

IK=10mA, R1=10k

Ω,

R2=

∞

-

2

4

μA

Deviation of Reference Input Current

Over Full Temperature Range

IREF(dev)

IK=10mA, R1=10k

Ω,

R2=

∞, Ta=Full Range

-

0.4

1.2

μA

Minimum Cathode Current for

Regulation

IK(min)

VKA=VREF

-

0.34

0.5

mA

Off-State Cathode Current

IK(off)

VKA=36V, VREF=0

-

0.1

1.0

μA

VKA=VREF, f

≤1.0KHz

Dynamic impedance

ZKA

-

0.2

0.5

Ω

IK=1 to 100mA

Recommended Soldering Footprint

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