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TL431ACDBVR +BOM

This IC, TL431ACDBVR, serves as a reliable voltage reference source, delivering a consistent 2

TL431ACDBVR Information

Description

The TL431ACDBVR is a precision programmable reference voltage source from Texas Instruments (TI). It's an adjustable shunt regulator that provides a stable output voltage between 2.495V and 36V, with a ±1% accuracy. This IC is designed for use in various applications such as switching power supplies, battery chargers, overvoltage protection circuits, and precision voltage references. The TL431ACDBVR features a low dynamic output impedance, high stability over temperature and operating conditions, and a small SOT-23 package. It operates from -40°C to 125°C, making it suitable for use in a wide range of applications. The IC is also highly programmable, allowing designers to adjust the output voltage to suit specific requirements. Overall, the TL431ACDBVR is a versatile and reliable component that can be used in a variety of electronic designs where a stable reference voltage is required.

Features

According to the product information, the features of the TL431ACDBVR are:

  • Precision programmable reference voltage source
  • Reference voltage of 2.495V to 36V
  • Adjustable output voltage
  • Low dynamic output impedance
  • High stability over varying operating conditions
  • Operates over a temperature range of -40°C to 125°C
  • Comes in a small SOT-23 package

Package

The package type of TL431ACDBVR is SOT-23-5.

Pinout

The TL431ACDBVR has a pin count of 5:

  • Pin 1: OUT (Output)
  • Pin 2: REF (Reference input)
  • Pin 3: COMP (Comparator output)
  • Pin 4: VIN (Input voltage)
  • Pin 5: GND (Ground)

It's an adjustable shunt regulator that provides a reference voltage output. The OUT pin is the regulated output, the REF pin sets the reference voltage, the COMP pin is the comparator output for overvoltage protection, and the VIN pin is the input voltage.

Manufacturer

The manufacturer of the TL431ACDBVR is Texas Instruments (TI), a leading semiconductor company that designs, manufactures, and tests semiconductors and related technologies. TI is a global company with a wide range of products and solutions for various industries, including automotive, industrial, medical, and consumer electronics.

Applications

The TL431ACDBVR is commonly used in voltage regulation applications such as switching power supplies, battery chargers, and voltage references. It's also employed in overvoltage protection circuits and as a precision voltage reference in instrumentation and control systems.

Equivalent

The equivalent products of TL431ACDBVR are:

  • LM431
  • NCP431
  • MAX4191
  • AD8676

These ICs offer similar adjustable shunt voltage reference functionality, but may have slightly different specifications or package types.

TL431ACDBVR

Specifications

VO (V) 2.495 Initial accuracy (max) (%) 0.5, 1, 2
VO adj (min) (V) 2.495 VO adj (max) (V) 36
Iz for regulation (min) (µA) 400 Reference voltage (V) adjustable
Rating Catalog Temp coeff (max) (ppm/°C) 92
Operating temperature range (°C) -40 to 125, -40 to 85, 0 to 70 Iout/Iz (max) (mA) 100
Package/Case SOT-23-5

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Ratings and Reviews

More
Z
Z**e 08/27/2024

Kind of norms .... Long gone

9
L
L**e 01/11/2024

Got in a month, made akkuratno works

15
J
J**e 06/20/2023

Shipped fairly quickly, but took well over four weeks to arrive (longer than my average order). Not too impressed with the "wifi & Bletooth" [sic] on the back, but the overall quality appears quite high. Haven't tested this yet, but will tentatively give it five stars.

18

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TL431ACDBVR Datasheet PDF

Preliminary Specification TL431ACDBVR PDF Download

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