ZR431LC01STOB

Product Overview

Category

The ZR431LC01STOB belongs to the category of voltage references.

Use

This product is primarily used as a precision shunt regulator.

Characteristics

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

Package

The ZR431LC01STOB is available in a small surface-mount SOT-23 package.

Essence

The essence of this product lies in its ability to provide a stable and accurate voltage reference for various electronic applications.

Packaging/Quantity

The ZR431LC01STOB is typically packaged in reels, with 3000 units per reel.

Specifications

• Reference Voltage: 2.5V
• Operating Voltage Range: 2.7V to 36V
• Temperature Coefficient: ±50ppm/°C
• Output Current: 100mA (maximum)
• Quiescent Current: 60µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ZR431LC01STOB has three pins:

1. Anode (A): Connected to the positive supply voltage.
2. Cathode (K): Connected to the load or ground.
3. Reference (R): Provides the stable reference voltage.

Functional Features

• Precision voltage reference
• Adjustable output voltage
• Low power consumption
• Short-circuit protection
• Thermal shutdown protection

Advantages and Disadvantages

Advantages

• High accuracy and stability ensure reliable performance.
• Wide operating voltage range allows for versatile applications.
• Low temperature coefficient minimizes voltage variations with temperature changes.
• Low dynamic impedance enables efficient regulation.
• Low output noise ensures clean voltage reference.

Disadvantages

• Limited output current may restrict certain high-power applications.
• SOT-23 package may require additional precautions during soldering.

Working Principles

The ZR431LC01STOB 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

The ZR431LC01STOB finds applications in various fields, including:

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

Detailed and Complete Alternative Models

1. TL431: A widely used alternative with similar specifications and functionality.
2. LM4040: Offers a fixed voltage reference with different output options.
3. REF02: Provides a higher precision voltage reference for critical applications.

These alternative models can be considered based on specific requirements and design constraints.

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