SPX3940AT-L-3-3

Product Overview

Category

SPX3940AT-L-3-3 belongs to the category of voltage regulators.

Use

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

Characteristics

• Voltage regulation capability
• High efficiency
• Low dropout voltage
• Thermal shutdown protection
• Short-circuit current limiting

Package

The SPX3940AT-L-3-3 comes in a compact TO-220 package, which allows for easy integration into various electronic devices.

Essence

The essence of SPX3940AT-L-3-3 lies in its ability to provide stable and regulated voltage output, ensuring the proper functioning of electronic circuits.

Packaging/Quantity

The product is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of SPX3940AT-L-3-3 voltage regulators.

Specifications

• Input Voltage Range: 4.5V - 26V
• Output Voltage: 3.3V
• Output Current: Up to 1A
• Dropout Voltage: 0.5V (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The SPX3940AT-L-3-3 has three pins:

1. Vin (Input): This pin is used to connect the input voltage source.
2. Vout (Output): This pin provides the regulated output voltage.
3. GND (Ground): This pin is connected to the ground reference of the circuit.

Functional Features

• Voltage Regulation: The SPX3940AT-L-3-3 ensures a stable output voltage regardless of variations in the input voltage.
• Efficiency: The voltage regulator operates with high efficiency, minimizing power dissipation.
• Thermal Shutdown Protection: In case of excessive temperature, the device automatically shuts down to prevent damage.
• Short-Circuit Current Limiting: The regulator limits the current in case of a short circuit, protecting the circuit components.

Advantages and Disadvantages

Advantages

• Provides stable and regulated voltage output.
• High efficiency leads to reduced power dissipation.
• Offers thermal shutdown protection for enhanced safety.
• Short-circuit current limiting protects the circuit from damage.

Disadvantages

• Limited output current capacity (up to 1A).
• Dropout voltage may cause a slight voltage drop across the regulator.

Working Principles

The SPX3940AT-L-3-3 operates based on the principle of linear voltage regulation. It uses a feedback mechanism to compare the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage, irrespective of input voltage variations.

Detailed Application Field Plans

The SPX3940AT-L-3-3 finds applications in various electronic devices and systems, including but not limited to: - Power supplies - Battery-powered devices - Automotive electronics - Industrial control systems - Audio amplifiers

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the SPX3940AT-L-3-3 include: - LM317T - LT1084CP-3.3 - ADP3339AKC-3.3

These alternatives can be considered based on specific requirements and compatibility with the target application.

Word count: 409