TLVH431BIL3T

Product Overview

• Category: Integrated Circuit
• Use: Voltage Reference
• Characteristics: Precision, Adjustable, Low Dropout
• Package: SOT-23
• Essence: TLVH431BIL3T is a precision adjustable shunt voltage reference that offers excellent temperature stability and low dropout voltage. It is commonly used in various electronic circuits where a stable voltage reference is required.
• Packaging/Quantity: Available in tape and reel packaging with 3000 units per reel.

Specifications

• Reference Voltage Range: 1.24V to 16V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 50ppm/°C
• Operating Temperature Range: -40°C to +125°C
• Output Current: 100mA (maximum)
• Dropout Voltage: 0.6V (typical)

Detailed Pin Configuration

The TLVH431BIL3T package consists of 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 voltage reference output.

Functional Features

• Precision Voltage Reference: TLVH431BIL3T provides a highly accurate and stable voltage reference, making it suitable for applications requiring precise voltage regulation.
• Adjustable Output: The reference voltage can be adjusted using external resistors, allowing flexibility in circuit design.
• Low Dropout Voltage: With a low dropout voltage of 0.6V, this device minimizes power dissipation and is ideal for low-power applications.
• Temperature Stability: TLVH431BIL3T exhibits excellent temperature stability, ensuring consistent performance across a wide temperature range.

Advantages and Disadvantages

Advantages: - High precision and accuracy - Adjustable output voltage - Low dropout voltage - Excellent temperature stability

Disadvantages: - Limited maximum output current (100mA) - Requires external resistors for voltage adjustment

Working Principles

The TLVH431BIL3T is based on the principle of a shunt voltage reference. It uses a precision bandgap core to generate a stable reference voltage. By adjusting the resistance connected to the reference pin, the output voltage can be set to the desired value. The device operates by maintaining a constant voltage drop across the internal reference element, compensating for changes in load and supply voltage.

Detailed Application Field Plans

The TLVH431BIL3T finds applications in various electronic systems, including:

1. Voltage Regulation: It is commonly used as a voltage reference in power supplies, battery chargers, and voltage regulators to ensure stable and accurate output voltages.
2. Analog Circuits: TLVH431BIL3T is utilized in analog circuits such as amplifiers, filters, and data acquisition systems to provide a precise reference voltage for signal conditioning and calibration purposes.
3. Battery Management: It is employed in battery management systems to monitor and regulate battery voltage levels, ensuring optimal charging and discharging operations.
4. Temperature Sensors: TLVH431BIL3T can be used in conjunction with temperature sensors to compensate for variations in temperature and maintain accurate temperature measurements.

Detailed and Complete Alternative Models

1. LM4040: Precision Shunt Voltage Reference with similar specifications and package options.
2. REF3030: Low Dropout Voltage Reference with adjustable output and higher maximum output current.
3. LT1236: Ultra-precision Shunt Voltage Reference with excellent temperature stability and wider operating temperature range.

(Note: This list is not exhaustive and other alternative models may exist in the market.)

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