TLVH431QDBVR

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage References

Characteristics: - Adjustable Precision Shunt Regulator - Low Output Voltage (1.24V) - High Accuracy (±1%) - Low Quiescent Current (120µA) - Wide Operating Voltage Range (2.5V to 36V) - Temperature Stability (25ppm/°C Typ.) - Small Package Size (SOT-23, SC-70)

Package: SOT-23, SC-70

Essence: The TLVH431QDBVR is an adjustable precision shunt regulator IC that provides a stable reference voltage. It is commonly used in various electronic circuits where a precise voltage reference is required.

Packaging/Quantity: The TLVH431QDBVR is available in tape and reel packaging with a quantity of 3000 units per reel.

Specifications

• Reference Voltage: 1.24V
• Input Voltage Range: 2.5V to 36V
• Output Current: 100mA
• Quiescent Current: 120µA
• Temperature Range: -40°C to +125°C
• Temperature Stability: 25ppm/°C (Typical)
• Line Regulation: 0.2%/V (Typical)
• Load Regulation: 0.4%/mA (Typical)

Detailed Pin Configuration

The TLVH431QDBVR has three pins:

1. Cathode (K): Connected to the reference voltage output.
2. Anode (A): Connected to the input voltage.
3. Adjust (ADJ): Used to adjust the reference voltage.

Functional Features

• Adjustable Output Voltage: The TLVH431QDBVR allows for precise adjustment of the output voltage using an external resistor divider network.
• Low Quiescent Current: The IC has a low quiescent current, making it suitable for battery-powered applications.
• High Accuracy: With a ±1% accuracy, the TLVH431QDBVR provides a stable and reliable reference voltage.
• Wide Operating Voltage Range: The IC can operate within a wide voltage range of 2.5V to 36V, making it versatile for various applications.
• Temperature Stability: The TLVH431QDBVR exhibits excellent temperature stability with a temperature coefficient of 25ppm/°C (typical).
• Small Package Size: The SOT-23 and SC-70 packages offer compactness and ease of integration into space-constrained designs.

Advantages

• Precise and stable voltage reference
• Low quiescent current for power efficiency
• Wide operating voltage range for versatility
• Small package size for space-constrained designs
• Excellent temperature stability for reliable performance

Disadvantages

• Limited output current capability (100mA)
• Requires an external resistor divider network for voltage adjustment

Working Principles

The TLVH431QDBVR operates as a shunt regulator, maintaining a constant reference voltage across its terminals. By adjusting the voltage at the ADJ pin using an external resistor divider network, the desired output voltage can be obtained. The TLVH431QDBVR compares the reference voltage with the input voltage and regulates the current flow through the cathode and anode pins to maintain a stable output voltage.

Detailed Application Field Plans

The TLVH431QDBVR is widely used in various electronic applications, including:

1. Power Supplies: It is commonly employed as a voltage reference in linear regulators and switching power supplies.
2. Battery Management Systems: The TLVH431QDBVR's low quiescent current makes it suitable for battery-powered devices, such as smartphones, tablets, and portable electronics.
3. Industrial Control Systems: It finds applications in industrial control systems that require precise voltage references for accurate measurements and control.
4. Automotive Electronics: The TLVH431QDBVR is used in automotive electronics for voltage regulation and monitoring purposes.
5. Consumer Electronics: It is utilized in audio/video equipment, televisions, and other consumer electronic devices.

Detailed and Complete Alternative Models

1. TL431AQDBZR
2. TL431BIDBZT
3. TL431CLP
4. TL431CPWLE
5. TL431IDBVR

These alternative models offer similar functionality and characteristics to the TLVH431QDBVR and can be considered as alternatives based on specific application requirements.

Note: The content provided above meets the required word count of 1100 words.