Texas Instruments
Obrázek může být reprezentace.
Viz Specifikace pro podrobnosti o produktu.
TLV431BIDBVTE4
Zobrazit detail DataSheets

TLV431BIDBVTE4

Product Overview

  • Category: Integrated Circuits (ICs)
  • Use: Voltage References
  • Characteristics: Low-Voltage Adjustable Precision Shunt Regulator
  • Package: SOT-23 (3)
  • Essence: Precision voltage reference with adjustable output
  • Packaging/Quantity: Tape & Reel (TR) packaging, 3000 pieces per reel

Specifications

  • Voltage Reference Type: Shunt
  • Output Voltage: Adjustable
  • Reference Voltage: 1.24V
  • Initial Accuracy: ±1%
  • Temperature Coefficient: 50 ppm/°C
  • Operating Temperature Range: -40°C to +85°C
  • Input Voltage Range: 2.5V to 36V
  • Output Current: 1mA to 100mA
  • Quiescent Current: 60µA

Detailed Pin Configuration

The TLV431BIDBVTE4 has three pins:

  1. Anode (A): Connected to the input voltage.
  2. Cathode (K): Connected to the ground or reference voltage.
  3. Adjust (ADJ): Output pin for the adjustable reference voltage.

Functional Features

  • Provides a precise and stable reference voltage.
  • Adjustable output voltage allows customization.
  • Low quiescent current for power efficiency.
  • Wide operating temperature range for various environments.
  • High accuracy and low temperature coefficient ensure reliable performance.

Advantages and Disadvantages

Advantages

  • Precise and adjustable reference voltage.
  • Low quiescent current consumption.
  • Wide input voltage range.
  • Compact SOT-23 package for space-constrained applications.
  • Excellent initial accuracy and temperature stability.

Disadvantages

  • Limited output current capability.
  • Requires external components for specific applications.
  • Not suitable for high-power or high-voltage applications.

Working Principles

The TLV431BIDBVTE4 is a shunt voltage reference that operates by maintaining a constant voltage difference between its Anode and Cathode pins. The adjustable output voltage is set using an external resistor divider connected to the ADJ pin. The device compares the reference voltage (1.24V) with the divided voltage and adjusts the current flowing through the shunt resistor to maintain the desired output voltage.

Detailed Application Field Plans

The TLV431BIDBVTE4 finds applications in various fields, including:

  1. Power Supplies: Provides stable reference voltage for voltage regulators and power management circuits.
  2. Battery Management: Used in battery charging circuits to monitor and control voltage levels.
  3. Audio Equipment: Ensures accurate biasing and voltage references in audio amplifiers and signal processing circuits.
  4. Automotive Electronics: Used in automotive systems for voltage monitoring and regulation.
  5. Industrial Control Systems: Provides precise voltage references for control circuits and sensors.

Detailed and Complete Alternative Models

Some alternative models to TLV431BIDBVTE4 include:

  1. LM4040: Precision Shunt Voltage Reference
  2. REF3030: Low-Power, Low-Drift Voltage Reference
  3. MAX6126: Ultra-High-Precision Voltage Reference
  4. LT6654: Micropower Precision Voltage Reference
  5. ADR4520: High-Accuracy, Low-Noise Voltage Reference

These alternatives offer similar functionality and can be considered based on specific requirements and application needs.

Word count: 342 words

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací TLV431BIDBVTE4 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of TLV431BIDBVTE4 in technical solutions:

  1. Q: What is TLV431BIDBVTE4? A: TLV431BIDBVTE4 is a precision adjustable shunt voltage reference that can be used in various technical applications.

  2. Q: What is the voltage range of TLV431BIDBVTE4? A: The voltage range of TLV431BIDBVTE4 is typically from 1.24V to 16V.

  3. Q: How does TLV431BIDBVTE4 work? A: TLV431BIDBVTE4 works by maintaining a constant voltage across its terminals, regardless of changes in input voltage or load current.

  4. Q: What are the typical applications of TLV431BIDBVTE4? A: TLV431BIDBVTE4 is commonly used in power supplies, battery chargers, voltage regulators, and other circuits requiring precise voltage references.

  5. Q: Can TLV431BIDBVTE4 be used as an adjustable voltage regulator? A: Yes, TLV431BIDBVTE4 can be used as an adjustable voltage regulator by connecting external resistors to set the desired output voltage.

  6. Q: What is the accuracy of TLV431BIDBVTE4? A: TLV431BIDBVTE4 has a typical accuracy of ±1% over the specified temperature range.

  7. Q: Does TLV431BIDBVTE4 require an external compensation capacitor? A: No, TLV431BIDBVTE4 does not require an external compensation capacitor for stability.

  8. Q: What is the maximum operating temperature of TLV431BIDBVTE4? A: The maximum operating temperature of TLV431BIDBVTE4 is typically 125°C.

  9. Q: Can TLV431BIDBVTE4 handle high currents? A: TLV431BIDBVTE4 has a maximum output current capability of 100mA, which should be sufficient for most applications.

  10. Q: Is TLV431BIDBVTE4 available in different package options? A: Yes, TLV431BIDBVTE4 is available in various package options, such as SOT-23 and SOT-89, to suit different application requirements.

Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application considerations.