SPX3819R2-L/TR

Product Overview

Category

SPX3819R2-L/TR belongs to the category of voltage regulators.

Use

It is commonly used to regulate and stabilize voltage in electronic circuits.

Characteristics

• High precision voltage regulation
• Low dropout voltage
• Low quiescent current
• Thermal shutdown protection
• Short circuit protection

Package

The SPX3819R2-L/TR comes in a small surface mount package, making it suitable for compact electronic devices.

Essence

The essence of SPX3819R2-L/TR lies in its ability to provide stable and regulated voltage output, ensuring reliable performance of electronic circuits.

Packaging/Quantity

The product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V - 6.0V
• Output Voltage Range: 1.2V - 5.0V
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 75µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SPX3819R2-L/TR has three pins:

1. VIN (Input Voltage): Connects to the power supply input.
2. VOUT (Output Voltage): Provides the regulated output voltage.
3. GND (Ground): Connected to the reference ground potential.

Functional Features

• High Precision Regulation: The SPX3819R2-L/TR ensures accurate and stable output voltage regulation, even under varying load conditions.
• Low Dropout Voltage: With a low dropout voltage, the regulator can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
• Low Quiescent Current: The device consumes minimal current when in standby mode, conserving power and extending battery life.
• Thermal Shutdown Protection: In case of excessive temperature, the regulator automatically shuts down to prevent damage.
• Short Circuit Protection: The SPX3819R2-L/TR is designed to withstand short circuits without causing any harm to the device or the connected circuit.

Advantages and Disadvantages

Advantages

• High precision voltage regulation ensures reliable performance of electronic circuits.
• Low dropout voltage allows for efficient power conversion.
• Low quiescent current helps conserve power and extend battery life.
• Thermal shutdown protection prevents overheating and potential damage.
• Short circuit protection safeguards the device and connected circuitry.

Disadvantages

• Limited input voltage range (2.5V - 6.0V) may not be suitable for all applications.
• Output voltage range (1.2V - 5.0V) may not cover all desired voltage levels.

Working Principles

The SPX3819R2-L/TR operates based on the principle of a linear voltage regulator. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage. By utilizing feedback control, it compensates for changes in load and input voltage to provide a consistent and regulated output.

Detailed Application Field Plans

The SPX3819R2-L/TR finds applications in various electronic devices and systems, including but not limited to: - Mobile phones and smartphones - Portable media players - Digital cameras - Wireless communication devices - Battery-powered devices - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to SPX3819R2-L/TR include: - LM317: A popular adjustable voltage regulator with a wide input voltage range. - LT1084: A high-current, low-dropout voltage regulator suitable for demanding applications. - LM1117: A low dropout voltage regulator available in various fixed output voltage options.

These alternative models offer similar functionality and can be chosen based on specific requirements and design constraints.

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