NCV431BSNT1G

Product Overview

Category: Voltage Reference
Use: Precision Shunt Regulator
Characteristics: Low voltage, adjustable output, high accuracy
Package: SOT-23
Essence: Voltage reference with adjustable output and high precision
Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

The NCV431BSNT1G is a precision shunt regulator that belongs to the voltage reference category. It is designed to provide a stable and accurate voltage reference for various applications. The device operates with a low voltage and offers an adjustable output, making it suitable for a wide range of voltage regulation needs.

Detailed Pin Configuration

The NCV431BSNT1G features a SOT-23 package with three pins:

1. Anode (A): This pin is connected to the anode of the internal Zener diode.
2. Cathode (K): This pin is connected to the cathode of the internal Zener diode.
3. Adjust (ADJ): This pin allows for adjusting the output voltage.

Functional Features

The NCV431BSNT1G provides several functional features that make it a versatile voltage reference solution:

• High Accuracy: The device offers a high level of accuracy in maintaining the output voltage, ensuring precise regulation.
• Low Temperature Coefficient: The NCV431BSNT1G exhibits a low temperature coefficient, minimizing variations in the output voltage over a wide temperature range.
• Adjustable Output: The ADJ pin allows for easy adjustment of the output voltage according to specific requirements.
• Low Quiescent Current: The device operates with a low quiescent current, reducing power consumption and enhancing energy efficiency.

Advantages and Disadvantages

Advantages:

• High accuracy and stability
• Adjustable output voltage
• Low temperature coefficient
• Low quiescent current

Disadvantages:

• Limited maximum output current
• Sensitive to input voltage fluctuations

Working Principles

The NCV431BSNT1G operates based on the principle of a shunt regulator. It utilizes a Zener diode as a voltage reference element, which maintains a constant voltage across its terminals. By adjusting the ADJ pin voltage, the output voltage can be set to the desired level. The device compares the reference voltage with the input voltage and regulates the output accordingly.

Detailed Application Field Plans

The NCV431BSNT1G finds applications in various fields where precise voltage regulation is required. Some of the common application areas include:

1. Power Supplies: The device can be used in power supply circuits to provide stable and accurate reference voltages for other components.
2. Battery Management Systems: It is suitable for battery charging circuits, ensuring precise voltage control during the charging process.
3. Instrumentation: The NCV431BSNT1G can be utilized in measurement instruments that require accurate voltage references for calibration purposes.
4. Automotive Electronics: It finds applications in automotive systems such as engine control units (ECUs) and electronic control modules (ECMs) for voltage regulation.

Detailed and Complete Alternative Models

1. LM4040: Precision Shunt Voltage Reference with Fixed Output Voltages
2. TL431: Programmable Precision Reference
3. LT1236: Precision Reference with Low Dropout Voltage

These alternative models offer similar functionality and can be considered as alternatives to the NCV431BSNT1G depending on specific requirements.

In conclusion, the NCV431BSNT1G is a precision shunt regulator belonging to the voltage reference category. With its adjustable output, high accuracy, and low voltage operation, it offers a reliable solution for various voltage regulation needs. Its compact SOT-23 package and functional features make it suitable for a wide range of applications in different fields.