L4931CPT25

Product Overview

Category

L4931CPT25 belongs to the category of voltage regulators.

Use

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

Characteristics

• Low dropout voltage
• High output current capability
• Excellent line and load regulation
• Thermal shutdown and short-circuit protection

Package

L4931CPT25 is available in a TO-220 package.

Essence

The essence of L4931CPT25 lies in its ability to provide a stable and regulated voltage output.

Packaging/Quantity

It is typically sold in reels or tubes, with each reel/tube containing a specific quantity of L4931CPT25 voltage regulators.

Specifications

• Input Voltage Range: 4.4V to 26V
• Output Voltage: 2.5V
• Output Current: Up to 250mA
• Dropout Voltage: 0.6V (typical)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.2% (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

L4931CPT25 has three pins:

1. Input (VIN): This pin is used to connect the input voltage source.
2. Ground (GND): This pin is connected to the ground reference.
3. Output (VOUT): The regulated output voltage is obtained from this pin.

Functional Features

• Low dropout voltage ensures efficient voltage regulation even when the input voltage is close to the desired output voltage.
• High output current capability allows it to power various electronic components.
• Excellent line and load regulation ensure stable output voltage regardless of input voltage fluctuations or changes in load conditions.
• Thermal shutdown and short-circuit protection mechanisms safeguard the regulator and connected circuitry from damage.

Advantages and Disadvantages

Advantages

• Low dropout voltage enables efficient power conversion.
• High output current capability makes it suitable for a wide range of applications.
• Excellent line and load regulation ensure stable voltage output.
• Thermal shutdown and short-circuit protection enhance reliability.

Disadvantages

• Limited output current capacity compared to higher-rated voltage regulators.
• Higher cost compared to some other voltage regulator options.

Working Principles

L4931CPT25 operates based on the principle of linear voltage regulation. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. The internal circuitry compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a constant output voltage.

Detailed Application Field Plans

L4931CPT25 finds applications in various electronic devices and systems, including but not limited to: - Power supplies - Battery-powered devices - Audio amplifiers - Industrial control systems - Automotive electronics - Communication equipment

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to L4931CPT25 are: - LM1117-2.5: A popular 2.5V voltage regulator with similar specifications. - LT1763-2.5: Another 2.5V voltage regulator known for its low dropout voltage. - MCP1702-2.5: A cost-effective option with good performance characteristics.

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

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