L4931ABDT80-TR

Product Overview

Category

L4931ABDT80-TR belongs to the category of voltage regulators.

Use

This product is commonly used in electronic circuits to regulate and stabilize voltage levels.

Characteristics

• Low dropout voltage
• Output current up to 100 mA
• Fixed output voltage of 8.0V
• Very low quiescent current
• Internal thermal overload protection
• Available in a small package size

Package

L4931ABDT80-TR is available in a TO-252 (DPAK) package.

Essence

The essence of L4931ABDT80-TR lies in its ability to provide a stable and regulated output voltage, making it suitable for various electronic applications.

Packaging/Quantity

This product is typically packaged in reels containing a specific quantity of units, such as 2500 pieces per reel.

Specifications

• Input Voltage Range: 4.2V to 20V
• Output Voltage: 8.0V
• Dropout Voltage: 0.5V (typical)
• Quiescent Current: 50µA (typical)
• Output Current: Up to 100mA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

L4931ABDT80-TR has three pins:

1. VIN (Pin 1): Input voltage pin.
2. GND (Pin 2): Ground reference pin.
3. VOUT (Pin 3): Output voltage pin.

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output differentials.
• Internal thermal overload protection prevents damage due to excessive temperature.
• Low quiescent current minimizes power consumption when the load is light.
• Small package size allows for space-saving integration into various circuit designs.

Advantages and Disadvantages

Advantages

• Provides stable and regulated output voltage.
• Suitable for low-power applications.
• Compact package size allows for easy integration.

Disadvantages

• Limited output current capacity (up to 100mA).
• Dropout voltage may affect performance in certain applications with low input-output differentials.

Working Principles

L4931ABDT80-TR operates based on the principle of linear voltage regulation. It utilizes a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. This ensures that the output voltage remains constant, even when the input voltage or load conditions vary.

Detailed Application Field Plans

L4931ABDT80-TR finds application in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable audio players - Wireless communication modules - Microcontroller-based systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to L4931ABDT80-TR include: - LM7808: 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 and design considerations.

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