FAN431AZXA

Overview

Product Category

FAN431AZXA belongs to the category of voltage references.

Use

It is primarily used as a precision shunt regulator in various electronic circuits.

Characteristics

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

Package

FAN431AZXA is available in a small surface-mount SOT-23 package.

Essence

The essence of FAN431AZXA lies in its ability to provide a stable reference voltage for precise regulation in electronic systems.

Packaging/Quantity

This product is typically packaged in reels, with 3000 units per reel.

Specifications

• Reference Voltage: 2.5V
• Operating Voltage Range: 2.4V to 36V
• Temperature Coefficient: ±50ppm/°C
• Dynamic Impedance: 0.2Ω
• Quiescent Current: 60µA

Pin Configuration

FAN431AZXA has three pins:

1. Vref: Output pin connected to the reference voltage.
2. Anode: Input pin connected to the anode of the shunt regulator.
3. Cathode: Ground pin connected to the cathode of the shunt regulator.

Functional Features

• Precise voltage regulation
• Low power consumption
• Wide operating voltage range
• Excellent line and load regulation
• Short-circuit protection

Advantages

• High accuracy and stability ensure reliable performance.
• Low temperature coefficient minimizes variations due to temperature changes.
• Wide operating voltage range allows for versatile applications.
• Low dynamic impedance enables efficient voltage regulation.
• Fast response time ensures quick stabilization of the output voltage.

Disadvantages

• Limited output current capability.
• Requires external components for proper operation.
• Sensitive to voltage spikes and transients.

Working Principles

FAN431AZXA operates based on the principle of shunt regulation. It compares the reference voltage (2.5V) with the input voltage and adjusts the current flowing through the shunt regulator to maintain a stable output voltage.

Detailed Application Field Plans

• Precision power supplies
• Voltage regulators in automotive electronics
• Battery charging circuits
• Industrial control systems
• Audio amplifiers

Alternative Models

1. FAN431LZXA: Low-power version with reduced quiescent current.
2. FAN431NZXA: High-precision version with lower temperature coefficient.
3. FAN431PZXA: Higher-output-current version for applications requiring more current capacity.

These alternative models provide similar functionality but with specific variations to suit different application requirements.

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