TLVH431AQDBVRQ1

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics: High precision, low voltage, adjustable reference voltage
• Package: SOT-23 (Small Outline Transistor)
• Essence: TLVH431AQDBVRQ1 is a voltage reference IC that provides a stable and accurate reference voltage for various electronic circuits.
• Packaging/Quantity: Available in tape and reel packaging with 3000 units per reel.

Specifications

• Reference Voltage Range: 1.24V to 6V
• Operating Temperature Range: -40°C to +125°C
• Output Current: 100mA
• Input Voltage Range: -0.3V to 18V
• Line Regulation: 0.2% (typical)
• Load Regulation: 0.4% (typical)

Detailed Pin Configuration

The TLVH431AQDBVRQ1 IC has the following pin configuration:

1. Anode (A): Connected to the positive supply voltage.
2. Cathode (C): Connected to the ground or negative supply voltage.
3. Reference Voltage (Vref): Provides the stable reference voltage output.

Functional Features

• Adjustable Output Voltage: The TLVH431AQDBVRQ1 allows users to adjust the reference voltage within the specified range.
• Low Dropout Voltage: It operates with a low dropout voltage, ensuring efficient performance even with low input-output voltage differentials.
• High Precision: The IC offers high precision and accuracy in providing the reference voltage.
• Low Quiescent Current: It consumes very low quiescent current, making it suitable for battery-powered applications.
• Short Circuit Protection: The IC includes built-in short circuit protection, preventing damage in case of a short circuit.

Advantages and Disadvantages

Advantages: - High precision and accuracy - Adjustable reference voltage - Low dropout voltage - Short circuit protection - Low quiescent current

Disadvantages: - Limited output current capacity (100mA) - Restricted input voltage range (-0.3V to 18V)

Working Principles

The TLVH431AQDBVRQ1 is based on the principle of a shunt regulator. It compares the reference voltage with the input voltage and adjusts the current flowing through the internal resistor network to maintain a stable output voltage. By adjusting the feedback resistors, the reference voltage can be set to the desired value within the specified range.

Detailed Application Field Plans

The TLVH431AQDBVRQ1 finds applications in various electronic circuits where a stable and accurate reference voltage is required. Some of the common application areas include:

1. Voltage regulators
2. Switching power supplies
3. Battery charging circuits
4. Precision measurement equipment
5. Audio amplifiers
6. Sensor interfaces
7. Data acquisition systems

Detailed and Complete Alternative Models

1. TL431AQDBZR: Similar voltage reference IC with adjustable output voltage and SOT-23 package.
2. LM4040CIZ-4.1: Fixed voltage reference IC with a precise 4.1V output and SOT-23 package.
3. REF3030AIDBZT: Precision voltage reference IC with a fixed 3.0V output and SOT-23 package.
4. MAX6126AASA25: Ultra-low noise voltage reference IC with a fixed 2.5V output and SOT-23 package.
5. LT1461ACS8-5: High precision voltage reference IC with a fixed 5.0V output and SOIC-8 package.

These alternative models offer similar functionality and can be used as substitutes for the TLVH431AQDBVRQ1 in various applications.

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