LD2980CU50TR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Fixed Output Voltage
• Package: SOT-223
• Essence: Regulates input voltage to a fixed output voltage with low dropout
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage: 5V
• Output Current: Up to 50mA
• Dropout Voltage: 300mV at 50mA
• Quiescent Current: 120µA
• Line Regulation: 0.04%/V
• Load Regulation: 0.1%/mA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LD2980CU50TR has the following pin configuration:

1. GND (Ground)
2. VOUT (Output Voltage)
3. VIN (Input Voltage)

Functional Features

• Low dropout voltage allows for efficient regulation even with small input-output voltage differentials.
• Fixed output voltage ensures a stable power supply for connected devices.
• Low quiescent current minimizes power consumption when the regulator is idle.
• Excellent line and load regulation provide consistent performance across varying conditions.

Advantages

• Small form factor package enables space-saving designs.
• Wide input voltage range allows for flexibility in various applications.
• Low dropout voltage ensures efficient power conversion.
• Stable output voltage provides reliable operation for connected devices.
• Low quiescent current prolongs battery life in portable applications.

Disadvantages

• Limited output current may not be suitable for high-power applications.
• SOT-223 package may require additional heat dissipation measures in certain scenarios.

Working Principles

The LD2980CU50TR is a linear voltage regulator that utilizes a pass transistor to regulate the input voltage to a fixed output voltage. It operates by comparing the output voltage with a reference voltage and adjusting the pass transistor accordingly to maintain a stable output. The low dropout voltage allows for efficient regulation even when the input voltage is close to the desired output voltage.

Detailed Application Field Plans

The LD2980CU50TR is commonly used in various electronic devices and systems, including but not limited to:

1. Battery-powered devices: Provides a stable 5V supply for microcontrollers, sensors, and other low-power components.
2. Automotive applications: Regulates voltage for automotive electronics, such as infotainment systems, lighting controls, and sensors.
3. Industrial equipment: Ensures reliable power supply for control systems, sensors, and communication modules.
4. Consumer electronics: Used in portable devices like smartphones, tablets, and wearable devices to regulate power for different components.

Detailed and Complete Alternative Models

• LD2980CU33TR: Fixed 3.3V output voltage variant
• LD2980CU25TR: Fixed 2.5V output voltage variant
• LD2980CUADJTR: Adjustable output voltage variant with external resistors

These alternative models provide different fixed or adjustable output voltages to suit specific application requirements.

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