TL431LK-AE3-3-B View Datasheet(PDF) - Unisonic Technologies

Part Name

Description

MFG CO.

TL431LK-AE3-3-B

PROGRAMMABLE PRECISION REFERENCE

Unisonic Technologies 

TL431L

LINEAR INTEGRATED CIRCUIT

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

PARAMETER

SYMBOL

RATINGS

UNIT

Cathode Voltage

VKA

20

V

Cathode Current Range (Continuous)

IKA

-100 ~ +150

mA

Reference Input Current Range

Operating Junction Temperature

Operating Ambient Temperature

Storage Temperature

IREF

-0.05 ~ +10

mA

TJ

150

°C

TOPR

0 ~ +70

°C

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

Cathode Voltage

VKA

VREF

20

Cathode Current

IKA

1

100

„ ELECTRICAL CHARACTERISTICS (Ta=25°C, unless otherwise specified)

UNIT

V

mA

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

Reference Input Voltage

VREF

VKA=VREF, IKA=10mA

2.450

Deviation of Reference Input Voltage

Over temperature (note 1)

ΔVREF/ΔT

VKA=VREF, IKA=10mA

0≤TA≤70

Ratio of Change in Reference Input

Voltage to the Change in Cathode

Voltage

ΔVREF /ΔVKA IKA=10mA

ΔVKA=10V~VREF

ΔVKA=20V~10V

Reference Input Current

Deviation of Reference Input Current

Over Full Temperature Range

IREF

ΔIREF/ΔT

IKA=10mA, R1=10kΩ, R2=∞

IKA=10mA, R1=10kΩ, R2=∞

TA=full Temperature

Minimum Cathode Current for Regulation IKA(MIN) VKA=VREF

Off-State Cathode Current

IKA(OFF) VKA=20V, VREF=0

Dynamic Impedance

ZKA

VKA=VREF, IKA=1 ~ 100mA

f≤1.0kHz

Remark: Reference voltage of ±1% tolerance is also available per customer’s request.

TYP

2.50

4.5

-1.0

-0.5

1.5

0.4

0.45

0.05

0.15

MAX UNIT

2.550 V

17 mV

-2.7

-2.0

mV/V

4 μA

1.2 μA

1.0 mA

1.0 μA

0.5 Ω

UNISONIC TECHNOLOGIES CO., LTD

www.unisonic.com.tw

3 of 5

QW-R103-014,E

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