TL431AMSDT datasheet(2/27 Pages) PHILIPS

No. de pieza	TL431AMSDT

Descripción Electrónicos	Adjustable precision shunt regulator

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TL431_FAM

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Product data sheet

Rev. 4 — 30 June 2011

2 of 27

NXP Semiconductors

TL431 family

Adjustable precision shunt regulator

2.

Features and benefits

 Programmable output voltage up to 36 V

 Three different reference voltage tolerances:

 Standard grade: 2 %

 A-Grade: 1 %

 B-Grade: 0.5 %

 Typical temperature drift: 6 mV (in a range of 0

C up to 70 C)

 Low output noise

 Typical output impedance: 0.2



 Sink current capability: 1 mA to 100 mA

 AEC-Q100 qualified (grade 1)

3.

Applications

 Shunt regulator

 Precision current limiter

 Precision constant current sink

 Isolated feedback loop for Switch Mode Power Supply (SMPS)

4.

Quick reference data

Table 2.

Quick reference data

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VKA

cathode-anode voltage

Vref

-36

V

IK

cathode current

1

-

100

mA

Vref

reference voltage

VKA =Vref;

IK =10mA;

Tamb =25 C

Standard-Grade (2 %)

2440

2495

2550

mV

A-Grade (1 %)

2470

2495

2520

mV

B-Grade (0.5 %)

2483

2495

2507

mV

Número de pieza similar - TL431AMSDT

Fabricante Electrónico	No. de pieza	Datasheet	Descripción Electrónicos
NXP Semiconductors	TL431AMSDT	214Kb / 23P	Adjustable precision shunt regulator Rev. 02-20 January 2010
NXP Semiconductors	TL431AMSDT	277Kb / 27P	Adjustable precision shunt regulator Rev. 4-30 June 2011

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