LD2980ABU33TR

Product Overview

Category

LD2980ABU33TR 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
• Short-circuit current limit

Package

LD2980ABU33TR is available in a small SOT-23 package.

Essence

The essence of LD2980ABU33TR lies in its ability to provide stable and regulated voltage output for various electronic applications.

Packaging/Quantity

LD2980ABU33TR is typically packaged in reels, with each reel containing a specific quantity of units. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Input Voltage Range: 2.5V - 16V
• Output Voltage: 3.3V
• Dropout Voltage: 300mV @ 100mA
• Quiescent Current: 50µA
• Maximum Output Current: 100mA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

LD2980ABU33TR has three pins:

1. VIN (Input Voltage): This pin is connected to the input voltage source.
2. GND (Ground): This pin is connected to the ground reference.
3. VOUT (Output Voltage): This pin provides the regulated output voltage.

Functional Features

• Low Dropout Voltage: LD2980ABU33TR exhibits a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
• Low Quiescent Current: The regulator consumes minimal current when there is no load, reducing power consumption and extending battery life in portable devices.
• High Output Voltage Accuracy: LD2980ABU33TR provides precise and stable output voltage, ensuring reliable performance of connected electronic components.
• Thermal Shutdown Protection: The regulator incorporates thermal shutdown protection, preventing damage due to excessive heat.
• Short-Circuit Current Limit: LD2980ABU33TR has built-in short-circuit current limiting, protecting the circuit from excessive current flow during a short-circuit condition.

Advantages and Disadvantages

Advantages

• Efficient voltage regulation with low dropout voltage.
• Low quiescent current for power-saving applications.
• Accurate and stable output voltage.
• Thermal shutdown protection for enhanced reliability.
• Short-circuit current limit for circuit protection.

Disadvantages

• Limited maximum output current (100mA).
• Restricted input voltage range (2.5V - 16V).

Working Principles

LD2980ABU33TR 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. The internal circuitry monitors the input voltage and adjusts the pass transistor accordingly to maintain a constant output voltage.

Detailed Application Field Plans

LD2980ABU33TR finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Embedded systems - Industrial control systems - Automotive electronics - Communication equipment

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to LD2980ABU33TR are: - LM1117-3.3 - MCP1703-3302E/DB - TS2937CP-3.3

These models offer similar functionality and specifications, providing options for different design requirements.

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