TA78L05F(TE12L,F)

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Fixed Output Voltage
• Package: TO-252-2 (DPAK)
• Essence: Linear Voltage Regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 7V to 20V
• Output Voltage: 5V
• Output Current: 100mA
• Dropout Voltage: 1.7V (typical)
• Line Regulation: ±50mV (typical)
• Load Regulation: ±100mV (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The TA78L05F(TE12L,F) has a standard three-pin configuration:

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

Functional Features

• Voltage Regulation: The TA78L05F(TE12L,F) provides a fixed output voltage of 5V, ensuring a stable power supply for various applications.
• Low Dropout: With a dropout voltage of only 1.7V, this regulator can operate efficiently even when the input voltage is close to the desired output voltage.
• Thermal Shutdown Protection: The IC incorporates thermal shutdown protection, preventing damage due to excessive temperature.
• Short Circuit Protection: The device includes built-in short circuit protection, safeguarding against potential damage caused by output short circuits.

Advantages and Disadvantages

Advantages: - Compact and easy to integrate into various electronic circuits. - Low dropout voltage ensures efficient operation. - Provides stable output voltage under varying load conditions.

Disadvantages: - Limited output current capacity (100mA). - Requires external capacitors for stability.

Working Principles

The TA78L05F(TE12L,F) is a linear voltage regulator that uses a series pass transistor to regulate the output voltage. It operates by comparing the reference voltage with a fraction of the output voltage, adjusting the pass transistor's resistance to maintain a constant output voltage.

Detailed Application Field Plans

The TA78L05F(TE12L,F) finds applications in various fields, including:

1. Consumer Electronics: Used in portable devices, such as smartphones, tablets, and digital cameras, to provide a stable 5V power supply.
2. Automotive: Employed in automotive electronics for voltage regulation in systems like infotainment, lighting, and sensors.
3. Industrial Control: Utilized in industrial control systems to ensure stable power supply for microcontrollers, sensors, and other components.
4. Telecommunications: Integrated into communication equipment, such as routers and modems, to regulate voltage for reliable operation.

Detailed and Complete Alternative Models

1. LM7805: A popular alternative from Texas Instruments with similar specifications and pin configuration.
2. MC78L05: An alternative from ON Semiconductor offering comparable performance and compatibility.
3. NJM78L05: Another alternative from New Japan Radio Co., Ltd., suitable for various applications requiring a 5V regulated power supply.

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