SP78L05N-L/TR

Product Overview

• Category: Linear Voltage Regulator
• Use: Voltage regulation in electronic circuits
• Characteristics: Low dropout voltage, high current capability, compact package
• Package: TO-252, 3-pin package
• Essence: Integrated circuit for regulating voltage
• Packaging/Quantity: Tape and reel packaging, quantity varies

Specifications

• Input Voltage: Up to 35V
• Output Voltage: 5V
• Output Current: Up to 100mA
• Dropout Voltage: 2V (typical)
• Operating Temperature Range: -40°C to +125°C
• Line Regulation: ±0.2% (typical)
• Load Regulation: ±0.4% (typical)

Detailed Pin Configuration

The SP78L05N-L/TR has three pins:

1. Input (VIN): Connects to the input voltage source.
2. Ground (GND): Connected to the ground reference of the circuit.
3. Output (VOUT): Provides the regulated output voltage.

Functional Features

• Provides a stable 5V output voltage regardless of input variations.
• Low dropout voltage ensures efficient power conversion.
• Can handle high current loads up to 100mA.
• Compact package allows for easy integration into various circuit designs.

Advantages and Disadvantages

Advantages: - Reliable voltage regulation for electronic circuits. - Low dropout voltage minimizes power dissipation. - High current capability suits a wide range of applications. - Compact package saves board space.

Disadvantages: - Limited output current compared to higher-rated regulators. - Requires external capacitors for stability.

Working Principles

The SP78L05N-L/TR is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the reference voltage (5V) with the feedback voltage from the output and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The SP78L05N-L/TR is commonly used in various electronic applications, including:

1. Power Supplies: Provides regulated voltage for microcontrollers, sensors, and other low-power devices.
2. Audio Amplifiers: Ensures a stable power source for audio amplification circuits.
3. Battery-Powered Devices: Regulates voltage for portable electronics, such as handheld devices and IoT modules.
4. Automotive Electronics: Used in automotive systems requiring stable voltage supply, such as infotainment systems and control modules.

Detailed and Complete Alternative Models

• LM7805: A widely used linear voltage regulator with similar specifications.
• MC78L05: Another popular choice for 5V voltage regulation.
• AMS1117-5.0: Low dropout voltage regulator with adjustable output voltage.

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