TLVH432ACPK

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - Low voltage reference - Precision output voltage - Low temperature coefficient - Low dropout voltage - High accuracy and stability

Package: TO-92 (Transistor Outline 92)

Essence: The TLVH432ACPK is a low voltage precision shunt voltage reference IC that provides a stable output voltage. It is commonly used in various electronic circuits where a precise voltage reference is required.

Packaging/Quantity: The TLVH432ACPK is typically available in a standard TO-92 package, which contains one IC per package.

Specifications

• Output Voltage Range: 1.24V to 6.5V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 0.2V (typical)
• Operating Temperature Range: -40°C to +125°C
• Supply Voltage Range: 2.5V to 16V
• Quiescent Current: 60µA (typical)

Pin Configuration

The TLVH432ACPK has three pins:

1. Vref: Output voltage reference pin
2. Anode: Anode connection for the internal shunt diode
3. Cathode: Cathode connection for the internal shunt diode

Functional Features

• Precise Voltage Reference: The TLVH432ACPK provides a highly accurate and stable output voltage reference.
• Low Dropout Voltage: It has a low dropout voltage, allowing it to operate even with low input voltages.
• Low Temperature Coefficient: The temperature coefficient of the TLVH432ACPK is low, ensuring minimal voltage variations with temperature changes.
• High Accuracy and Stability: This IC offers high accuracy and long-term stability, making it suitable for applications requiring precise voltage references.

Advantages

• Compact Size: The TO-92 package makes the TLVH432ACPK compact and easy to integrate into various circuit designs.
• Wide Operating Temperature Range: It can operate in a wide temperature range, making it suitable for both industrial and consumer applications.
• Low Power Consumption: The quiescent current of 60µA ensures low power consumption, making it energy-efficient.

Disadvantages

• Limited Output Voltage Range: The TLVH432ACPK has a limited output voltage range of 1.24V to 6.5V, which may not be suitable for all applications.
• Single Output: It provides a single fixed output voltage, limiting its flexibility in certain designs that require adjustable voltage references.

Working Principles

The TLVH432ACPK works based on the principle of a shunt voltage reference. It utilizes an internal shunt diode to maintain a stable output voltage regardless of changes in input voltage or load conditions. By comparing the voltage across the shunt diode with a precision reference voltage, it generates a highly accurate output voltage.

Detailed Application Field Plans

The TLVH432ACPK is widely used in various electronic circuits and systems, including but not limited to:

1. Power Supply Regulation: It can be used as a voltage reference for regulating power supply voltages in devices such as microcontrollers, sensors, and analog-to-digital converters.
2. Analog Circuit Calibration: It is commonly employed in calibration circuits to provide a stable and precise voltage reference for calibrating analog components like amplifiers, filters, and ADCs.
3. Battery Management Systems: The TLVH432ACPK can be utilized in battery management systems to monitor and control battery charging and discharging processes by providing a reliable voltage reference.
4. Precision Instrumentation: It finds applications in precision instrumentation devices where accurate voltage references are crucial, such as multimeters, oscilloscopes, and data acquisition systems.

Detailed and Complete Alternative Models

1. LM4040: A series of precision shunt voltage reference ICs available in various output voltage options.
2. REF30xx: Precision voltage references with low dropout voltage and high accuracy.
3. MAX619: Low-power, low-voltage precision voltage reference ICs suitable for battery-powered applications.

These alternative models offer similar functionality and can be considered as substitutes for the TLVH432ACPK based on specific application requirements.

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