SPX3819M5-L-3-0/TR

Introduction

The SPX3819M5-L-3-0/TR is a voltage regulator belonging to the category of linear regulators. It is commonly used in electronic devices to provide a stable and regulated output voltage. This entry provides an overview of the basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of the SPX3819M5-L-3-0/TR.

Basic Information Overview

• Category: Linear Regulator
• Use: Voltage regulation in electronic devices
• Characteristics: Stable output voltage, low dropout voltage, low quiescent current
• Package: SOT-23-5 package
• Essence: Provides a fixed output voltage with high accuracy
• Packaging/Quantity: Available in tape and reel packaging, quantity varies by supplier

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage: 3.0V
• Output Current: 150mA
• Dropout Voltage: 340mV at 150mA
• Quiescent Current: 75µA
• Line Regulation: 0.2% typical
• Load Regulation: 1% typical
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The SPX3819M5-L-3-0/TR has a standard SOT-23-5 pin configuration: 1. VIN (Input Voltage) 2. GND (Ground) 3. NC (No Connection) 4. VOUT (Output Voltage) 5. EN (Enable)

Functional Features

• Low Dropout Voltage: Allows for efficient regulation even when the input voltage is close to the output voltage.
• Low Quiescent Current: Minimizes power consumption in standby or idle modes.
• Thermal Shutdown Protection: Protects the device from overheating.
• Short Circuit Protection: Safeguards the regulator and the connected circuitry from damage in case of a short circuit.

Advantages and Disadvantages

Advantages

• Provides stable and accurate output voltage
• Low dropout voltage enables efficient regulation
• Small form factor and low quiescent current make it suitable for battery-powered applications

Disadvantages

• Limited maximum output current compared to other types of regulators
• Higher heat dissipation due to linear regulation

Working Principles

The SPX3819M5-L-3-0/TR operates based on the principle of linear regulation. When the input voltage is applied, the internal circuitry compares the actual output voltage to a reference voltage and adjusts the pass transistor to maintain a constant output voltage.

Detailed Application Field Plans

The SPX3819M5-L-3-0/TR is commonly used in various electronic devices and systems, including: - Battery-powered portable devices - IoT (Internet of Things) devices - Consumer electronics - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the SPX3819M5-L-3-0/TR include: - LM1117-3.3 - MCP1703T-3002E/MB - AP2112K-3.3TRG1

In summary, the SPX3819M5-L-3-0/TR is a versatile linear regulator with specific characteristics that make it suitable for a wide range of electronic applications. Its stable output voltage, low dropout voltage, and low quiescent current make it an ideal choice for battery-powered and low-power devices.

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