TL431LG-T92-R datasheet(3/6 Pages) UTC

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TL431L

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

3 of 6

www.unisonic.com.tw

QW-R103-014.I



ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)

PARAMETER

SYMBOL

RATINGS

UNIT

Cathode Voltage

VKA

Cathode Current Range (Continuous)

IKA

-100 ~ +150

Reference Input Current

IREF

-0.05 ~ +10

Junction Temperature

+150

C

Operating Temperature

TOPR

-40 ~ +85

C

Storage Temperature

TSTG

-65 ~ +150

C

Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.

Absolute maximum ratings are stress ratings only and functional device operation is not implied.



RECOMMENDED OPERATING CONDITIONS

PARAMETER

SYMBOL

MIN

TYP

MAX

UNIT

Cathode Voltage

VKA

VREF

Cathode Current

IKA

100



ELECTRICAL CHARACTERISTICS (TA=25C, unless otherwise specified)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Reference Input Voltage

VREF

VKA=VREF, IKA=10mA

2.450 2.50

2.550

Deviation of Reference Input Voltage

Over temperature (note 1)

VREF/T

VKA=VREF, IKA=10mA

0≤TA≤70

4.5

VKA=10V~VREF

-1.0

-2.7

Ratio of Change in Reference Input

Voltage to the Change in Cathode

Voltage

VREF /VKA IKA=10mA

VKA=20V~10V

-0.5

-2.0

mV/V

Reference Input Current

IREF

IKA=10mA, R1=10k, R2=

1.5

A

Deviation of Reference Input Current

Over Full Temperature Range

IREF/T

IKA=10mA, R1=10k, R2=

TA=full Temperature

0.4

1.2

A

Minimum Cathode Current for Regulation

IKA(MIN)

VKA=VREF

0.45

1.0

Off-State Cathode Current

IKA(OFF)

VKA=20V, VREF=0

0.05

1.0

A

Dynamic Impedance

ZKA

VKA=VREF, IKA=1 ~ 100mA

1.0kHz

0.15

0.5



Remark: Reference voltage of

1% tolerance is also available per customer’s request.

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