TLVH431BIDCKT

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage References

Characteristics: - Adjustable Precision Shunt Regulator - Low Output Voltage Tolerance: ±0.5% - Low Temperature Drift: 50 ppm/°C - Low Dynamic Output Impedance: 0.25 Ω - Wide Operating Current Range: 1 µA to 100 mA - Low Quiescent Current: 60 µA - Low Output Noise Voltage: 0.2 µVrms (10 Hz to 100 kHz) - Fast Turn-On Response Time: 1 µs

Package: SC-70 (SOT-323), Tape and Reel

Essence: The TLVH431BIDCKT 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 TLVH431BIDCKT is available in a SC-70 (SOT-323) package, which is a small surface-mount package. It is supplied on tape and reel, with a quantity of 3000 units per reel.

Specifications

• Reference Voltage Range: 1.24 V to 16 V
• Operating Temperature Range: -40°C to +125°C
• Supply Voltage Range: 2.5 V to 16 V
• Maximum Cathode Current: 100 mA
• Minimum Cathode Current: 1 µA
• Dropout Voltage: 0.6 V (typical)

Detailed Pin Configuration

The TLVH431BIDCKT has three pins:

1. Anode (A): Connected to the positive supply voltage.
2. Cathode (K): Connected to the load or ground.
3. Reference (R): Provides the stable reference voltage.

Functional Features

• Adjustable Output Voltage: The TLVH431BIDCKT allows the user to adjust the output voltage within a specified range, providing flexibility in various applications.
• Precision Voltage Reference: It provides a highly accurate and stable reference voltage, making it suitable for precision measurement and control systems.
• Low Quiescent Current: The device consumes low quiescent current, minimizing power consumption in battery-powered applications.
• Fast Turn-On Response Time: The TLVH431BIDCKT has a fast turn-on response time, enabling quick stabilization of the output voltage.

Advantages and Disadvantages

Advantages: - High accuracy and stability - Wide operating current range - Low output voltage tolerance - Low temperature drift - Small package size

Disadvantages: - Dropout voltage may limit its use in low voltage applications. - Limited maximum cathode current compared to some other voltage references.

Working Principles

The TLVH431BIDCKT operates as a shunt regulator, maintaining a stable reference voltage across the cathode and anode terminals. By adjusting the resistor connected between the reference pin and the cathode, the output voltage can be set within the specified range. The TLVH431BIDCKT compares the reference voltage with the input voltage and adjusts the current flowing through the cathode to maintain a constant output voltage.

Detailed Application Field Plans

The TLVH431BIDCKT 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 Management Systems: The TLVH431BIDCKT is employed in battery management systems to monitor and control battery charging and discharging processes.
3. Precision Measurement Instruments: It is utilized in precision measurement instruments where accurate voltage references are crucial for precise readings.
4. Audio Amplifiers: The TLVH431BIDCKT can be used in audio amplifiers to provide a stable bias voltage for improved audio quality.

Detailed and Complete Alternative Models

1. TL431BIDCKT: Similar to the TLVH431BIDCKT, but with a wider operating temperature range (-40°C to +85°C).
2. TL431ACDBZR: Another adjustable precision shunt regulator with similar characteristics, but available in a SOT-23 package.
3. LM4040CIM3-5.0/NOPB: A precision voltage reference with fixed output voltage of 5.0 V, suitable for applications that do not require adjustable output voltage.

These alternative models offer similar functionality and can be considered as substitutes for the TLVH431BIDCKT based on specific application requirements.

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