SPX2431AM-L

Introduction

The SPX2431AM-L is a voltage regulator belonging to the category of integrated circuits. It is commonly used in electronic devices to regulate voltage and ensure stable power supply to various components. This entry provides an overview of the SPX2431AM-L, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Integrated Circuit
• Use: Voltage Regulation
• Characteristics: High precision, low dropout voltage, low quiescent current
• Package: SOT-23-5
• Essence: Regulating voltage for electronic devices
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.0V
• Dropout Voltage: 150mV at 100mA
• Quiescent Current: 75µA
• Load Regulation: 0.05% typical
• Line Regulation: 0.02% typical

Detailed Pin Configuration

1. VIN: Input Voltage
2. GND: Ground
3. NC: No Connection
4. EN: Enable Pin
5. VOUT: Output Voltage

Functional Features

• Low Dropout Voltage: Ensures stable output even with small input-output differentials
• Low Quiescent Current: Minimizes power consumption in standby mode
• Thermal Shutdown Protection: Prevents damage due to excessive heat
• Short-Circuit Protection: Safeguards the device and connected components

Advantages and Disadvantages

Advantages

• High precision voltage regulation
• Compact SOT-23-5 package
• Wide input voltage range

Disadvantages

• Limited maximum output current
• Higher dropout voltage compared to some alternatives

Working Principles

The SPX2431AM-L uses a reference voltage and feedback loop to maintain a constant output voltage regardless of variations in input voltage or load conditions. When the enable pin is high, the internal circuitry regulates the output voltage based on the reference voltage and feedback from the output.

Detailed Application Field Plans

The SPX2431AM-L is widely used in portable electronic devices such as smartphones, tablets, and portable media players. It is also employed in battery-powered devices, IoT modules, and other applications requiring precise voltage regulation within a compact form factor.

Detailed and Complete Alternative Models

• SPX2431M-3.3: Fixed 3.3V output voltage
• SPX2431M-ADJ: Adjustable output voltage
• LM1117: Low dropout voltage regulator with higher maximum output current

In conclusion, the SPX2431AM-L is a versatile voltage regulator with high precision and low quiescent current, making it suitable for a wide range of electronic devices. Its compact package and wide input voltage range make it a popular choice for portable and battery-powered applications.

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