TL431AFDT datasheet(2/27 Pages) NXP

2 / 27 page

TL431_FAM

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 4 — 30 June 2011

2 of 27

NXP Semiconductors

TL431 family

Adjustable precision shunt regulator

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)

Applications

 Shunt regulator

 Precision current limiter

 Precision constant current sink

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

Quick reference data

Table 2.

Quick reference data

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VKA

cathode-anode voltage

Vref

-36

cathode current

100

Vref

reference voltage

VKA =Vref;

IK =10mA;

Tamb =25 C

Standard-Grade (2 %)

2440

2495

2550

A-Grade (1 %)

2470

2495

2520

B-Grade (0.5 %)

2483

2495

2507

TL431AFDT Folha de dados(PDF) 2 Page - NXP Semiconductors

TL431AFDT Folha de dados(HTML) 2 Page - NXP Semiconductors

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27

Folha de dados Download

Ligação URL