TLVH431ACDBVR

Product Overview

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

Specifications

• Reference Voltage Range: 1.24V to 6V
• Output Current: Up to 100mA
• Operating Temperature Range: -40°C to +125°C
• Line Regulation: 0.2% typical
• Load Regulation: 0.4% typical
• Temperature Stability: 50ppm/°C typical

Detailed Pin Configuration

The TLVH431ACDBVR has three pins:

1. Anode (A): Connected to the positive terminal of the power supply.
2. Cathode (K): Connected to the load or ground.
3. Reference (R): Output pin that provides the stable voltage reference.

Functional Features

• Adjustable Voltage Reference: The TLVH431ACDBVR allows the user to set the desired output voltage within the specified range.
• Low Dropout Voltage: It operates with a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the output voltage.
• Precision Regulation: The device offers high precision and stability over temperature and load variations.
• Short-Circuit Protection: It includes built-in short-circuit protection, preventing damage to the device in case of a fault condition.

Advantages and Disadvantages

Advantages: - Wide operating temperature range makes it suitable for various environments. - Adjustable output voltage provides flexibility for different applications. - Low dropout voltage ensures efficient regulation.

Disadvantages: - Limited output current may not be suitable for high-power applications. - SOT-23 package may require additional thermal considerations for certain applications.

Working Principles

The TLVH431ACDBVR is a shunt regulator that maintains a stable reference voltage across the load. It compares the voltage at the reference pin (R) with an internal reference voltage and adjusts the current flowing through the device to maintain the desired output voltage. By adjusting the resistance between the anode (A) and cathode (K) pins, the output voltage can be set within the specified range.

Detailed Application Field Plans

The TLVH431ACDBVR finds applications in various fields, including:

1. Power Supplies: It can be used as a voltage reference in power supply circuits to ensure stable and accurate output voltages.
2. Battery Management: The device can be employed in battery management systems to provide precise voltage references for charging and discharging processes.
3. Automotive Electronics: It is suitable for automotive applications where reliable voltage references are required for sensors, control units, and other electronic components.
4. Industrial Control Systems: The TLVH431ACDBVR can be utilized in industrial control systems to maintain stable reference voltages for analog-to-digital converters, signal conditioning circuits, and other critical components.

Detailed and Complete Alternative Models

Some alternative models to TLVH431ACDBVR include:

1. LM4040: A precision voltage reference with similar characteristics and package options.
2. LT1236: A low-drift, micropower voltage reference suitable for demanding applications.
3. MAX6126: An ultra-low noise, high-precision voltage reference designed for sensitive analog circuits.

These alternative models offer different features and specifications, allowing users to choose the most suitable option based on their specific requirements.

Word count: 446 words