TLVH431BIDBVT

Product Overview

• Category: Integrated Circuit
• Use: Voltage Reference
• Characteristics: Low-Voltage Adjustable Precision Shunt Regulator
• Package: SOT-23 (3-Lead)
• Essence: TLVH431BIDBVT is a precision shunt regulator that provides a stable reference voltage across a wide range of operating conditions.
• Packaging/Quantity: Available in reels of 3000 units

Specifications

• Reference Voltage Range: 1.24V to 16V
• Operating Current Range: 80µA to 100mA
• Temperature Range: -40°C to +125°C
• Line Regulation: 0.2% (Typical)
• Load Regulation: 0.4% (Typical)
• Output Voltage Tolerance: ±1%
• Package Type: SOT-23
• Pin Count: 3

Detailed Pin Configuration

The TLVH431BIDBVT 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 reference voltage.

Functional Features

• Adjustable Output Voltage: The output voltage can be set using external resistors, allowing flexibility in various applications.
• Low Operating Current: The TLVH431BIDBVT operates with low quiescent current, making it suitable for battery-powered devices.
• High Accuracy: With a tight voltage tolerance and low temperature coefficient, this voltage reference ensures precise regulation.
• Wide Temperature Range: It can operate reliably in extreme temperature conditions, ranging from -40°C to +125°C.

Advantages and Disadvantages

Advantages

• High precision and stability
• Low operating current
• Wide temperature range
• Adjustable output voltage

Disadvantages

• Limited output current capability
• Requires external resistors for voltage adjustment

Working Principles

The TLVH431BIDBVT is a shunt regulator that maintains a stable reference voltage across its terminals. It operates by comparing the reference voltage with the input voltage and adjusting the current flowing through the shunt resistor to maintain a constant voltage drop. This ensures a stable output voltage regardless of variations in the input voltage or load conditions.

Detailed Application Field Plans

The TLVH431BIDBVT finds applications in various fields, including:

1. Power Supplies: It can be used as a voltage reference in power supply circuits to ensure accurate and stable output voltages.
2. Battery-Powered Devices: Due to its low operating current, it is suitable for use in portable devices powered by batteries.
3. Instrumentation: The TLVH431BIDBVT can be utilized in precision measurement instruments where a stable reference voltage is required.
4. Automotive Electronics: It finds application in automotive systems, such as engine control units and electronic control modules, for voltage regulation purposes.

Detailed and Complete Alternative Models

Some alternative models to TLVH431BIDBVT include:

1. LM4040: Precision Micropower Shunt Voltage Reference
2. LT1236: Precision Reference
3. MAX6001: Low-Power, Precision Voltage Reference
4. REF5025: Precision Voltage Reference

These models offer similar functionality and characteristics, providing alternatives for different design requirements.

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