TLVH431ACDBVRG4

Product Overview

• Category: Integrated Circuits (ICs)
• Use: Voltage References
• Characteristics:
  • Low voltage shunt regulator
  • Adjustable output voltage
  • High accuracy and stability
  • Low quiescent current
• Package: SOT-23 (Small Outline Transistor)
• Essence: TLVH431ACDBVRG4 is a voltage reference IC used for regulating voltages in various electronic circuits.
• Packaging/Quantity: Available in tape and reel packaging with 3000 units per reel.

Specifications

• Reference Voltage Range: 1.24V to 16V
• Operating Temperature Range: -40°C to +125°C
• Output Current: Up to 100mA
• Quiescent Current: Typically 60µA
• Line Regulation: Typically 0.2%
• Load Regulation: Typically 0.4%
• Package Type: SOT-23-3

Pin Configuration

The TLVH431ACDBVRG4 has three pins arranged as follows:

```

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| | --| REF |-- --| ANODE |-- --| CATH |-- |_______| ```

• REF: Reference voltage output pin
• ANODE: Anode pin connected to the cathode of an external diode
• CATH: Cathode pin connected to the ground or negative supply rail

Functional Features

• Provides a stable and accurate reference voltage for precise voltage regulation
• Adjustable output voltage allows flexibility in circuit design
• Low quiescent current minimizes power consumption
• High accuracy and stability ensure reliable performance
• Wide operating temperature range enables usage in various environments

Advantages

• Easy to use and integrate into electronic circuits
• Compact SOT-23 package saves board space
• Wide operating temperature range makes it suitable for harsh environments
• Adjustable output voltage provides flexibility in circuit design
• Low quiescent current helps conserve power

Disadvantages

• Limited output current capability (up to 100mA)
• Requires an external diode for proper operation

Working Principles

The TLVH431ACDBVRG4 is a shunt regulator that maintains a stable reference voltage across the REF and CATH pins. By connecting the ANODE pin to the cathode of an external diode, the output voltage can be adjusted according to the desired reference voltage. The TLVH431ACDBVRG4 compares the reference voltage with the input voltage and regulates the output accordingly.

Application Field Plans

The TLVH431ACDBVRG4 finds applications in various fields, including:

1. Power supply circuits: Provides accurate voltage regulation for stable power supply outputs.
2. Battery charging circuits: Ensures precise voltage control during battery charging processes.
3. Audio amplifiers: Maintains consistent biasing voltages for improved audio performance.
4. Sensor circuits: Provides a stable reference voltage for accurate sensor measurements.
5. Industrial control systems: Used in control circuits to regulate voltages for reliable system operation.

Alternative Models

1. TL431ACDBZR: Similar specifications and features, available in TO-92 package.
2. LM4040CIM3-2.5/NOPB: Precision voltage reference IC with fixed 2.5V output, available in SOT-23 package.
3. LT1236ACS8-10#PBF: High-precision voltage reference IC with fixed 10V output, available in SOIC-8 package.

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

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