TLVH431QDCKR

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage References

Characteristics: - Adjustable Precision Shunt Regulator - Low Output Voltage Tolerance: ±1% - Low Temperature Coefficient: 50 ppm/°C - Low Dynamic Output Impedance: 0.25 Ω - Sink Current Capability: 1 mA to 100 mA - Wide Operating Voltage Range: 1.24 V to 18 V - Low Quiescent Current: 60 µA - Low Output Noise Voltage: 0.2 µVrms (10 Hz to 100 kHz) - Operating Temperature Range: -40°C to +125°C

Package: SC-70 (SOT-323), 5-Lead

Essence: The TLVH431QDCKR is an adjustable precision shunt regulator that provides a stable reference voltage. It is commonly used in various electronic circuits where a precise voltage reference is required.

Packaging/Quantity: The TLVH431QDCKR is available in tape and reel packaging, with 3000 units per reel.

Specifications

• Reference Voltage: Adjustable from 1.24 V to 18 V
• Output Voltage Tolerance: ±1%
• Temperature Coefficient: 50 ppm/°C
• Sink Current Range: 1 mA to 100 mA
• Quiescent Current: 60 µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The TLVH431QDCKR has the following pin configuration:

1. Cathode (K): Connected to the load or ground.
2. Anode (A): Connected to the input voltage.
3. Reference (REF): Provides the stable reference voltage.
4. NC: No connection.
5. Cathode (K): Connected to the load or ground.

Functional Features

• Adjustable Output Voltage: The TLVH431QDCKR allows the user to adjust the output voltage within a specified range, providing flexibility in various applications.
• Precision Voltage Reference: It provides a stable and accurate reference voltage, ensuring precise operation of the connected circuitry.
• Low Quiescent Current: The low quiescent current minimizes power consumption, making it suitable for battery-powered devices.
• Wide Operating Voltage Range: The TLVH431QDCKR can operate over a wide voltage range, accommodating different input voltage levels.
• Low Output Noise Voltage: It offers low output noise voltage, reducing interference in sensitive applications.

Advantages and Disadvantages

Advantages: - High precision and stability - Adjustable output voltage - Low quiescent current - Wide operating voltage range - Low output noise voltage

Disadvantages: - Limited sink current capability (up to 100 mA) - Requires external components for proper operation

Working Principles

The TLVH431QDCKR operates as a shunt regulator, maintaining a stable reference voltage across its terminals. By adjusting the feedback resistors connected to the REF pin, the output voltage can be set to the desired value. When the input voltage exceeds the reference voltage, the TLVH431QDCKR starts conducting current from the cathode to the anode, regulating the output voltage.

Detailed Application Field Plans

The TLVH431QDCKR finds applications in various fields, including:

1. Power Supply Regulation: It is used to provide a stable reference voltage for regulating power supplies in electronic devices.
2. Battery Charging Systems: The TLVH431QDCKR ensures precise voltage control in battery charging circuits, preventing overcharging or undercharging.
3. Voltage Monitoring: It can be employed in voltage monitoring circuits to detect and regulate voltage levels within a specific range.
4. Audio Amplifiers: The TLVH431QDCKR helps maintain accurate biasing and stability in audio amplifier circuits, enhancing overall performance.

Detailed and Complete Alternative Models

1. TL431AQDBZR: Adjustable Precision Shunt Regulator, SOT-23 Package
2. TL431BIDBZT: Programmable Precision References, SOT-23 Package
3. TL431CLP: Adjustable Precision Shunt Regulator, TO-92 Package
4. TL431ACDR: Adjustable Precision Shunt Regulator, SOIC-8 Package
5. TL431AIDBZR: Adjustable Precision Shunt Regulator, SOT-23 Package

(Note: This is not an exhaustive list of alternative models. Please refer to the manufacturer's datasheet for a complete list.)

Word count: 527 words