LD2981CM30TR

Product Overview

Category

LD2981CM30TR belongs to the category of voltage regulators.

Use

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

Characteristics

• Low dropout voltage
• Low quiescent current
• High output voltage accuracy
• Thermal shutdown protection

Package

LD2981CM30TR is available in a small surface-mount package.

Essence

The essence of LD2981CM30TR lies in its ability to provide stable and regulated voltage for various electronic applications.

Packaging/Quantity

LD2981CM30TR is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage: 3.0V
• Dropout Voltage: 300mV (typical)
• Quiescent Current: 50µA (typical)
• Output Current: Up to 100mA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

LD2981CM30TR has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin

Functional Features

• Low dropout voltage ensures efficient regulation even when the input voltage is close to the desired output voltage.
• Low quiescent current minimizes power consumption during standby or idle conditions.
• High output voltage accuracy provides precise voltage regulation for sensitive electronic components.
• Thermal shutdown protection prevents the device from overheating and ensures safe operation.

Advantages and Disadvantages

Advantages

• Small package size allows for space-saving integration into compact electronic devices.
• Wide input voltage range enables compatibility with various power sources.
• Excellent voltage regulation characteristics ensure stable performance of connected circuits.

Disadvantages

• Limited output current may not be suitable for high-power applications.
• Higher dropout voltage compared to some other voltage regulators may result in slightly reduced efficiency.

Working Principles

LD2981CM30TR 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, regardless of variations in the input voltage or load conditions.

Detailed Application Field Plans

LD2981CM30TR finds application in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Industrial control systems - Automotive electronics - Medical equipment

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to LD2981CM30TR are: - LM1117-3.0: A popular 3.0V voltage regulator with similar characteristics. - LT1763-3.0: Another 3.0V regulator known for its low dropout voltage and high accuracy. - MCP1703-300: A cost-effective option with a fixed 3.0V output voltage.

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

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