TLVH431AQDBVT

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-23-5
• Essence: The TLVH431AQDBVT is a precision, low voltage shunt regulator that provides an accurate reference voltage. It is commonly used in various electronic circuits to maintain a stable voltage level.
• Packaging/Quantity: The TLVH431AQDBVT is available in a SOT-23-5 package, which contains 3000 units per reel.

Specifications

• Reference Voltage Range: 1.24V to 6V
• Operating Voltage Range: 2.5V to 16V
• Quiescent Current: 60µA (typical)
• Temperature Range: -40°C to +125°C
• Output Current: 100mA (maximum)

Detailed Pin Configuration

The TLVH431AQDBVT has five pins arranged as follows:

```

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| | --| V+ |-- --| |-- --| V- |-- |____| ```

• V+: Positive supply voltage input
• V-: Ground reference
• NC: No connection
• Cathode: Output voltage reference
• Anode: Feedback terminal

Functional Features

• Voltage Reference: The TLVH431AQDBVT provides a precise reference voltage that can be adjusted within the specified range.
• Regulation: It regulates the output voltage by comparing it with the internal reference voltage.
• Low Quiescent Current: The device consumes very low current when in standby mode, resulting in power savings.
• Temperature Stability: The TLVH431AQDBVT maintains its accuracy and stability over a wide temperature range.

Advantages

• High accuracy and stability
• Adjustable output voltage
• Low quiescent current consumption
• Wide operating temperature range
• Small package size for space-constrained applications

Disadvantages

• Limited maximum output current (100mA)
• Requires external resistors for precise voltage adjustment

Working Principles

The TLVH431AQDBVT operates as a shunt regulator. It compares the reference voltage with the feedback voltage to regulate the output voltage. By adjusting the feedback voltage using external resistors, the desired output voltage can be obtained. The device continuously monitors the output voltage and adjusts the current flowing through it to maintain a stable output.

Detailed Application Field Plans

The TLVH431AQDBVT is widely used in various electronic applications, including:

1. Voltage regulation in power supplies
2. Battery charging circuits
3. Voltage monitoring and control systems
4. Precision instrumentation
5. Audio amplifiers
6. Automotive electronics
7. Industrial control systems

Detailed and Complete Alternative Models

1. TL431AQDBZR: Similar specifications and features, available in SOT-23-3 package.
2. TL431ACDBVR: Higher output current capability (150mA), available in SOT-23-3 package.
3. TL431BQDBZT: Lower quiescent current (25µA), available in SOT-23-5 package.

These alternative models provide similar functionality and can be used as substitutes for the TLVH431AQDBVT in various applications.

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