ZHT431C02L

Product Overview

Category

ZHT431C02L belongs to the category of voltage references.

Use

It is primarily used as a precision shunt regulator.

Characteristics

• High accuracy and stability
• Low temperature coefficient
• Low dynamic impedance
• Wide operating voltage range

Package

ZHT431C02L is available in a small SOT-23 package.

Essence

The essence of ZHT431C02L lies in its ability to provide a stable reference voltage for various applications.

Packaging/Quantity

It is typically packaged in reels, with each reel containing 3000 units of ZHT431C02L.

Specifications

• Reference Voltage: 2.5V
• Operating Voltage Range: 2.7V to 36V
• Temperature Coefficient: ±50ppm/°C
• Output Current: 100mA (maximum)
• Quiescent Current: 1.5mA (maximum)

Detailed Pin Configuration

ZHT431C02L has three pins:

1. Cathode (K): Connected to the ground or negative supply voltage.
2. Anode (A): Connected to the positive supply voltage.
3. Adjust (ADJ): Provides the regulated output voltage.

Functional Features

• Precise voltage regulation
• Low dropout voltage
• Short-circuit protection
• Thermal shutdown protection

Advantages and Disadvantages

Advantages

• High accuracy and stability ensure reliable performance.
• Low temperature coefficient minimizes variations with temperature changes.
• Wide operating voltage range allows for versatile applications.
• Small package size enables space-saving designs.

Disadvantages

• Limited output current may not be suitable for high-power applications.
• Higher quiescent current compared to some alternative models.

Working Principles

ZHT431C02L operates based on the principle of a shunt regulator. It compares the reference voltage with the input voltage and adjusts the current flowing through the shunt resistor to maintain a stable output voltage.

Detailed Application Field Plans

ZHT431C02L finds applications in various fields, including:

1. Power supply circuits
2. Battery charging systems
3. Voltage regulators for microcontrollers
4. Precision measurement equipment
5. Audio amplifiers

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to ZHT431C02L are:

1. TL431
2. LM4040
3. LT1009
4. REF5025
5. MAX6126

These models offer similar functionality and can be used depending on specific requirements and design constraints.

In conclusion, ZHT431C02L is a precision shunt regulator that provides accurate and stable voltage references. Its wide operating voltage range and small package size make it suitable for various applications. However, its limited output current and higher quiescent current should be taken into consideration when selecting an alternative model.