TLVH431BQDBZRG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics: High precision, low voltage, adjustable output
• Package: SOT-23 (Small Outline Transistor)
• Essence: TLVH431BQDBZRG4 is a voltage reference IC that provides a stable and accurate voltage output for various applications.
• Packaging/Quantity: Available in tape and reel packaging with 3000 units per reel.

Specifications

• Reference Voltage Range: 1.24V to 6V
• Output Current: 1mA to 100mA
• Operating Temperature Range: -40°C to +125°C
• Input Voltage Range: -0.3V to Vref + 0.3V
• Temperature Coefficient: 50ppm/°C (typical)

Detailed Pin Configuration

The TLVH431BQDBZRG4 IC 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): Provides the stable voltage output.

Functional Features

• Voltage Regulation: TLVH431BQDBZRG4 maintains a constant voltage output regardless of changes in input voltage or load conditions.
• Adjustable Output: The reference voltage can be adjusted using external resistors to suit specific application requirements.
• Low Quiescent Current: The IC consumes very low current when not actively regulating the voltage, resulting in improved energy efficiency.
• High Accuracy: TLVH431BQDBZRG4 offers high precision voltage references, ensuring reliable and consistent performance.

Advantages and Disadvantages

Advantages: - High precision voltage reference - Adjustable output voltage - Low quiescent current consumption - Wide operating temperature range

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

Working Principles

The TLVH431BQDBZRG4 is a shunt voltage reference IC. It operates by comparing the reference voltage at the R pin with the voltage across the anode and cathode pins. The internal circuitry adjusts the current flowing through the cathode pin to maintain a constant voltage at the reference pin.

Detailed Application Field Plans

The TLVH431BQDBZRG4 is widely used in various applications, including:

1. Power Supplies: It provides stable voltage references for power supply circuits, ensuring accurate and reliable operation.
2. Battery Management: TLVH431BQDBZRG4 is used in battery charging circuits to regulate the charging voltage and protect the battery from overcharging.
3. Audio Amplifiers: It is employed in audio amplifier circuits to provide a stable bias voltage for improved audio signal quality.
4. Instrumentation: TLVH431BQDBZRG4 finds application in precision measurement instruments where accurate voltage references are crucial.

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to TLVH431BQDBZRG4 include:

1. LM4040: A precision voltage reference IC available in various voltage options.
2. LT1236: A high-precision shunt voltage reference with low temperature drift.
3. MAX619: A low-power, low-voltage shunt voltage reference suitable for battery-powered applications.

These alternative models offer similar functionality and can be chosen based on specific requirements and availability.

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