TLVH431BQDBVRE4

Product Overview

• Category: Integrated Circuit
• Use: Voltage Reference
• Characteristics: High Precision, Low Dropout, Adjustable Output Voltage
• Package: SOT-23 (Small Outline Transistor)
• Essence: TLVH431BQDBVRE4 is a voltage reference integrated circuit that provides a stable and accurate output voltage.
• Packaging/Quantity: Available in reels of 3000 units.

Specifications

• Input Voltage Range: 1.24V to 18V
• Output Voltage Range: Adjustable from 1.24V to 16V
• Reference Voltage Accuracy: ±1%
• Operating Temperature Range: -40°C to +125°C
• Quiescent Current: 80µA typical

Detailed Pin Configuration

The TLVH431BQDBVRE4 has three pins:

1. Anode (A): Connected to the positive terminal of the input voltage.
2. Cathode (K): Connected to the negative terminal of the input voltage.
3. Adjust (ADJ): Provides an adjustable output voltage based on the reference voltage.

Functional Features

• High Precision: The TLVH431BQDBVRE4 offers a highly accurate reference voltage, ensuring precise voltage regulation.
• Low Dropout: It operates with a low dropout voltage, allowing it to regulate voltages even when the input voltage is close to the desired output voltage.
• Adjustable Output Voltage: The ADJ pin allows users to set the desired output voltage within the specified range.

Advantages and Disadvantages

Advantages: - High precision and accuracy - Low dropout voltage - Adjustable output voltage - Wide operating temperature range

Disadvantages: - Limited output voltage range (up to 16V) - Requires external components for stability

Working Principles

The TLVH431BQDBVRE4 is based on the principle of a shunt regulator. It compares the reference voltage with a fraction of the output voltage and adjusts the current flowing through the ADJ pin to maintain a stable output voltage.

Detailed Application Field Plans

The TLVH431BQDBVRE4 finds applications in various fields, including:

1. Power Supplies: It can be used as a voltage reference in power supply circuits to ensure stable and accurate output voltages.
2. Battery Management Systems: The TLVH431BQDBVRE4 can be employed in battery management systems to monitor and regulate battery voltages.
3. Instrumentation: It is suitable for precision measurement instruments that require accurate voltage references.
4. Automotive Electronics: The TLVH431BQDBVRE4 can be utilized in automotive electronics for voltage regulation and monitoring purposes.

Detailed and Complete Alternative Models

1. TL431BQDBVR: Similar to TLVH431BQDBVRE4 but with a different package (SOT-23).
2. TL431ACDBZR: Another variant with a different package (SOT-23) and slightly different specifications.
3. TL431IDBZR: This model comes in a different package (SOT-89) and offers similar functionality.

These alternative models provide similar voltage reference capabilities and can be considered as substitutes for the TLVH431BQDBVRE4.

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