TLVH431AQDBZR

Product Overview

Category: Integrated Circuit (IC)
Use: Voltage Reference
Characteristics: Low-voltage, adjustable precision shunt regulator
Package: SOT-23 (Small Outline Transistor 23)
Essence: Provides a stable reference voltage for various applications
Packaging/Quantity: Available in tape and reel packaging, with 3000 units per reel

Specifications

Reference Voltage Range: 1.24V to 6V
Operating Current Range: 80µA to 100mA
Temperature Range: -40°C to +125°C
Line Regulation: 0.2% typical
Load Regulation: 0.4% typical
Output Voltage Tolerance: ±1%
Dropout Voltage: 0.5V typical at 100mA load current

Detailed Pin Configuration

The TLVH431AQDBZR has three pins:

Anode (A): Connected to the positive supply voltage.
Cathode (K): Connected to the ground or negative supply voltage.
Adjust (ADJ): Output pin that provides the reference voltage.

Functional Features

Adjustable Voltage Reference: The output voltage can be adjusted using external resistors.
Low Dropout Voltage: Allows operation even when the input voltage is close to the output voltage.
High Precision: Provides a stable reference voltage with a low tolerance of ±1%.
Low Operating Current: Consumes minimal current, making it suitable for low-power applications.
Short-Circuit Protection: Built-in protection against short-circuits.

Advantages and Disadvantages

Advantages: - Wide operating temperature range (-40°C to +125°C) - Low dropout voltage enables efficient operation - Adjustable output voltage for flexibility in various applications - Small package size allows for space-saving designs

Disadvantages: - Limited output current capability (up to 100mA) - Output voltage tolerance of ±1% may not be suitable for high-precision applications

Working Principles

The TLVH431AQDBZR is a shunt regulator that maintains a stable reference voltage between the Anode and Cathode pins. By adjusting the resistance connected to the Adjust pin, the output voltage can be set within the specified range. The device operates by comparing the reference voltage with an internal bandgap reference, regulating the current flow through the cathode to maintain a constant voltage.

Detailed Application Field Plans

The TLVH431AQDBZR is widely used in various applications, including:

Voltage Regulation: Provides a stable reference voltage for voltage regulators, ensuring consistent power supply.
Battery Charging: Used in battery charging circuits to maintain a precise charging voltage.
Switching Power Supplies: Ensures accurate voltage regulation in switching power supply designs.
Audio Amplifiers: Used as a voltage reference in audio amplifier circuits to maintain signal integrity.
Temperature Sensors: Provides a stable reference voltage for temperature sensor calibration.

Detailed and Complete Alternative Models

Some alternative models to TLVH431AQDBZR include:

LM4040: Precision Micropower Shunt Voltage Reference
LT1236: Precision Reference
MAX6001: Low-Power, Precision Voltage Reference
REF3030: Low-Noise, Very Low Drift Precision Voltage Reference
TS431: Adjustable Precision Shunt Regulator

These alternative models offer similar functionality and can be considered based on specific application requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací TLVH431AQDBZR v technických řešeních

Sure! Here are 10 common questions and answers related to the application of TLVH431AQDBZR:

Q: What is TLVH431AQDBZR? A: TLVH431AQDBZR is a precision adjustable shunt voltage reference that can be used in various technical solutions.
Q: What is the purpose of TLVH431AQDBZR? A: TLVH431AQDBZR is primarily used as a voltage reference to provide a stable and accurate voltage level in electronic circuits.
Q: What is the voltage range of TLVH431AQDBZR? A: The TLVH431AQDBZR has an adjustable output voltage range from 1.24V to 18V.
Q: How does TLVH431AQDBZR work? A: TLVH431AQDBZR works by comparing the input voltage with an internal reference voltage and regulating the output voltage accordingly.
Q: Can TLVH431AQDBZR be used for voltage regulation in power supplies? A: Yes, TLVH431AQDBZR can be used as a voltage regulator in power supply circuits to maintain a stable output voltage.
Q: Is TLVH431AQDBZR suitable for battery charging applications? A: Yes, TLVH431AQDBZR can be used in battery charging circuits to control the charging voltage and ensure safe and efficient charging.
Q: Does TLVH431AQDBZR require external components for operation? A: Yes, TLVH431AQDBZR requires external resistors and capacitors for proper operation and stability.
Q: What is the temperature range of TLVH431AQDBZR? A: TLVH431AQDBZR has a wide operating temperature range of -40°C to 125°C, making it suitable for various environments.
Q: Can TLVH431AQDBZR be used in automotive applications? A: Yes, TLVH431AQDBZR is qualified for automotive applications and can be used in automotive electronics.
Q: Are there any alternative voltage references similar to TLVH431AQDBZR? A: Yes, there are other voltage references available in the market, such as TL431, LM4040, and REF30xx series, which can be considered based on specific requirements.

Please note that these answers are general and may vary depending on the specific application and circuit design.