TL431 datasheet(2/7 Pages) FOSHAN

2 / 7 page

TL431

Rev.F Mar.-2016

DATA SHEET

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参数

Parameter

符号

Symbol

数值

Rating

单位

Unit

Cathode to Anode Voltage

VKA

Cathode Current Range, Continuous

-100～+100

Reference Input Current Range, Continuous

IREF

0.05～+10

Power Dissipation

770

Operating Ambient Temperature

Tamb

-40～125

℃

Junction Temperature

150

℃

Storage Temperature Range

Tstg

-65～150

℃

参数

Parameter

符号

Symbol

测试条件

Test Conditions

最小值

Min

典型值

Typ

最大值

Max

单位

Unit

Reference Input Voltage

VREF

VKA=VREF

IK=10mA(A=0.5%)

2.483

2.495

2.507

VKA=VREF

IK=10mA(B=1%)

2.470

2.495

2.520

VKA=VREF

IK=10mA(2%)

2.445

2.495

2.545

Deviation of Reference

Input Voltage Over-

Temperature

△

VREF

/△T

VKA=VREF

IK=10mA

TA=-40～125℃

4.5

Ratio of Change in

Reference Input Voltage

to the Change in Cathode

Voltage

△

VREF

/△VKA

IK=10mA,

△

VKA =10V to VREF

-1

-2.7

mV/V

IK=10mA,

△

VKA =36V to 10V

-0.5

-2.0

mV/V

Reference Input current

IREF

IK=10mA

R1=10KΩ

R2=open

0.8

1.0

μA

Deviation of Reference

Input Current Over Full

Temperature Range

△

IREF/

△

IK=10mA

R1=10KΩ,

R2=open

TA=-40～125℃

0.4

1.2

μA

Minimum Cathode Current

for Regulation

IK(min)

VKA=VREF

0.05

0.08

Off-state cathode current

IK(off)

VKA=36V

VREF=0V

0.05

1.0

μA

Dynamic impedance

|ZKA|

VKA=VREF

f≤1.0KHz

IK=1mA to 100mA

0.15

0.5

Ω

极限参数 / Absolute Maximum Ratings(Ta=25℃)

电性能参数 / Electrical Characteristics(Ta=25℃)

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