SPX3819M5-L-2-5/TR

Overview

Product Category

The SPX3819M5-L-2-5/TR belongs to the category of voltage regulators.

Use

This product is primarily used for regulating voltage in electronic circuits.

Characteristics

• Low dropout voltage
• Low quiescent current
• Fast transient response
• High output accuracy

Package

The SPX3819M5-L-2-5/TR comes in a small SOT-23-5 package.

Essence

The essence of this product lies in its ability to provide stable and regulated voltage output in various electronic applications.

Packaging/Quantity

The SPX3819M5-L-2-5/TR is typically packaged in reels, with 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 2.5V
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 120µA (typical)
• Output Current: 500mA (maximum)
• Line Regulation: 0.05% (typical)
• Load Regulation: 0.1% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SPX3819M5-L-2-5/TR has the following pin configuration:

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

Functional Features

• Low dropout voltage ensures efficient regulation even when the input voltage is close to the desired output voltage.
• Low quiescent current minimizes power consumption when the regulator is idle.
• Fast transient response enables quick stabilization of the output voltage during load changes.
• High output accuracy ensures precise voltage regulation for sensitive electronic components.

Advantages and Disadvantages

Advantages

• Small package size allows for space-saving integration into compact electronic devices.
• Wide input voltage range provides flexibility in various applications.
• Excellent line and load regulation characteristics ensure stable voltage output under different operating conditions.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• The absence of thermal protection features may require additional precautions in certain scenarios.

Working Principles

The SPX3819M5-L-2-5/TR operates as a linear voltage regulator. It uses a pass transistor to regulate the output voltage based on the difference between the input and desired output voltage. By adjusting the resistance within the regulator, it maintains a constant output voltage despite changes in the input voltage or load conditions.

Detailed Application Field Plans

The SPX3819M5-L-2-5/TR finds application in various electronic systems, including but not limited to:

1. Battery-powered devices: Provides stable voltage supply for portable electronics such as smartphones, tablets, and wearable devices.
2. Automotive electronics: Ensures reliable voltage regulation for automotive infotainment systems, sensors, and control modules.
3. Industrial equipment: Supports voltage regulation in industrial automation systems, motor control circuits, and instrumentation devices.
4. Communication systems: Enables consistent voltage output for wireless routers, modems, and network switches.

Detailed and Complete Alternative Models

1. SPX3819M5-L-2-8/TR: Similar to SPX3819M5-L-2-5/TR, but with an output voltage of 2.8V.
2. SPX3819M5-L-3-3/TR: Similar to SPX3819M5-L-2-5/TR, but with an output voltage of 3.3V.
3. SPX3819M5-L-5-0/TR: Similar to SPX3819M5-L-2-5/TR, but with an output voltage of 5.0V.

These alternative models provide different output voltage options to suit specific application requirements.

In conclusion, the SPX3819M5-L-2-5/TR is a voltage regulator that offers low dropout voltage, low quiescent current, and high output accuracy. It comes in a small SOT-23-5 package and is suitable for various electronic applications. While it has limitations in terms of maximum output current and thermal protection, its advantages include a wide input voltage range and excellent line and load regulation characteristics.