L4931CD25-TR

Product Overview

Category

L4931CD25-TR 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

L4931CD25-TR comes in a small surface-mount package.

Essence

The essence of L4931CD25-TR lies in its ability to provide a stable and regulated voltage supply to electronic devices.

Packaging/Quantity

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

Specifications

• Input Voltage Range: 4.4V to 26V
• Output Voltage: 2.5V
• Output Current: Up to 100mA
• Dropout Voltage: 0.6V (typical)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.1% (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

L4931CD25-TR has three pins:

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

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 a wide range of electronic components.
• Excellent line and load regulation ensure a stable output voltage regardless of variations in input voltage or load conditions.
• Thermal shutdown and short-circuit protection mechanisms safeguard the regulator and connected devices from damage.

Advantages and Disadvantages

Advantages

• Compact size and surface-mount package make it suitable for space-constrained applications.
• Wide input voltage range allows compatibility with various power sources.
• Low dropout voltage minimizes power dissipation and improves efficiency.
• Excellent line and load regulation ensure stable performance in different operating conditions.

Disadvantages

• Limited output current capability may not be sufficient for high-power applications.
• The fixed output voltage of 2.5V restricts its use to specific voltage requirements.

Working Principles

L4931CD25-TR operates based on the principle of a linear voltage regulator. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. By comparing the output voltage with a reference voltage, the regulator adjusts the pass transistor to maintain a constant output voltage despite variations in input voltage or load conditions.

Detailed Application Field Plans

L4931CD25-TR finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Mobile phones - Portable audio players - Embedded systems - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to L4931CD25-TR are: - LM1117-2.5 - LT1763-2.5 - MCP1702-2.5 - TS2950CT-2.5

These models offer similar voltage regulation capabilities and can be used as substitutes depending on specific requirements.

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