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TL431BQDBZRQ1 +BOM

Automotive adjustable precision shunt regulator (pin layout: KRA)

TL431BQDBZRQ1 Information

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TL431BQDBZRQ1

Description

The TL431BQDBZRQ1 is a precision adjustable shunt voltage reference integrated circuit from Texas Instruments, packaged in an SOT-23 package. It offers excellent thermal stability, compact size, and low power consumption, making it suitable for battery-powered systems. The device features a wide operating voltage range, high accuracy reference voltage, and robustness against overcurrent and overvoltage conditions. It also provides fast and accurate voltage regulation, very low output current noise, and low temperature coefficient drift. With its excellent reliability and lifespan, the TL431BQDBZRQ1 is commonly used in various applications such as precision voltage references, switch-mode power supplies, LED drivers, adjustable voltage control circuits, battery chargers, and industrial control systems.

Features

The TL431BQDBZRQ1 features include:

  • Excellent thermal stability
  • Compact package for ease of use
  • Low power consumption for reduced heat generation
  • Suitable for battery-powered systems
  • Wide operating voltage range available
  • High accuracy reference voltage
  • Robust against overcurrent and overvoltage conditions
  • Fast and accurate voltage regulation
  • Micropower operation possible
  • Very low output current noise
  • Low temperature coefficient drift
  • Excellent reliability and lifespan

It is commonly used in voltage regulation and reference applications, such as precision voltage references, switch-mode power supplies, and LED drivers.

Package

The package type of TL431BQDBZRQ1 is SOT-23.

Pinout

The TL431BQDBZRQ1 has a 3-pin package (SOT-23). The pins are:

  • Pin 1: REF OUT - Output voltage
  • Pin 2: COMP - Compensation pin for adjusting the reference voltage
  • Pin 3: VIN - Input voltage

This device is an adjustable shunt voltage reference, and its primary function is to provide a stable reference voltage that can be adjusted by connecting a resistor between the COMP and VIN pins.

Manufacturer

The manufacturer of the TL431BQDBZRQ1 is Texas Instruments (TI), which is a leading global semiconductor company that designs, manufactures, tests, and sells analog and embedded processing semiconductors.

Applications

According to the product information, the application areas of TL431BQDBZRQ1 include:

  • Voltage regulation and reference applications
  • Precision voltage references
  • Switch-mode power supplies
  • LED drivers
  • Adjustable voltage control circuits
  • Battery chargers
  • Industrial control systems

Equivalent

The equivalent products of TL431BQDBZRQ1 include:

  • LM431
  • NCP431
  • MAX4190
  • ADJ1015
  • REF3020

These ICs are precision adjustable shunt voltage references with similar specifications and applications as the TL431BQDBZRQ1.

TL431BQDBZRQ1

Specifications

VO (V) 2.495 Initial accuracy (max) (%) 0.5, 1
VO adj (min) (V) 2.495 VO adj (max) (V) 36
Iz for regulation (min) (µA) 400 Reference voltage (V) adjustable
Rating Automotive TI functional safety category Functional Safety-Capable
Temp coeff (max) (ppm/°C) 92 Operating temperature range (°C) -40 to 125
Iout/Iz (max) (mA) 100 Package/Case SOT23-3

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Ratings and Reviews

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O
O**t 03/07/2023

Quality is good, only instead of 100 pcs Seller put 93 pcs

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