SPX3940T-L-5-0/TR

Product Overview

Category

SPX3940T-L-5-0/TR belongs to the category of voltage regulators.

Use

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

Characteristics

• Voltage regulation capability
• Compact size
• High efficiency
• Low dropout voltage
• Thermal shutdown protection

Package

The SPX3940T-L-5-0/TR comes in a small surface-mount package.

Essence

The essence of this product lies in its ability to provide stable and regulated voltage output, ensuring proper functioning of electronic devices.

Packaging/Quantity

The SPX3940T-L-5-0/TR is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 6V to 20V
• Output Voltage: 5.0V
• Output Current: Up to 1A
• Dropout Voltage: 0.5V (maximum)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The SPX3940T-L-5-0/TR has three pins:

1. Vin (Input Voltage)
2. Vout (Output Voltage)
3. GND (Ground)

Functional Features

• Voltage Regulation: The SPX3940T-L-5-0/TR ensures a stable output voltage of 5.0V regardless of input voltage fluctuations.
• Thermal Shutdown Protection: In case of excessive temperature, the device shuts down to prevent damage.
• Low Dropout Voltage: The low dropout voltage ensures efficient power conversion even when the input voltage is close to the desired output voltage.

Advantages and Disadvantages

Advantages

• Reliable voltage regulation
• Compact size for space-constrained applications
• High efficiency for reduced power consumption
• Thermal shutdown protection for enhanced safety

Disadvantages

• Limited output current capacity (up to 1A)
• Requires external components for proper operation

Working Principles

The SPX3940T-L-5-0/TR 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.

Detailed Application Field Plans

The SPX3940T-L-5-0/TR finds applications in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable audio players - Digital cameras - Wireless communication modules

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the SPX3940T-L-5-0/TR include: - LM7805: A popular linear voltage regulator with similar specifications. - LT1084: A high-current linear voltage regulator suitable for demanding applications. - TPS7A4700: A low-dropout voltage regulator with adjustable output voltage.

These alternative models offer similar functionality and can be used as substitutes depending on specific requirements.

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