TA78L015AP(F,M)

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics:
  • Low dropout voltage
  • High output voltage accuracy
  • Overcurrent protection
  • Thermal shutdown protection
• Package: TO-220, TO-252
• Essence: Linear voltage regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 6V to 18V
• Output Voltage: 1.5V
• Output Current: 100mA
• Dropout Voltage: 0.5V
• Line Regulation: ±0.2%
• Load Regulation: ±0.4%
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The TA78L015AP(F,M) 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

• Low Dropout Voltage: The TA78L015AP(F,M) exhibits a low dropout voltage of only 0.5V, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
• High Output Voltage Accuracy: With a line regulation of ±0.2% and load regulation of ±0.4%, this voltage regulator provides precise and stable output voltage.
• Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding the circuit from excessive current flow.
• Thermal Shutdown Protection: In case of excessive temperature rise, the thermal shutdown feature protects the IC from damage by shutting down the regulator temporarily.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation. - High output voltage accuracy provides stable performance. - Overcurrent protection prevents damage to the circuit. - Thermal shutdown protection enhances reliability.

Disadvantages: - Limited output current capability (100mA). - Restricted input voltage range (6V to 18V).

Working Principles

The TA78L015AP(F,M) is a linear voltage regulator that utilizes a pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a constant output voltage. The dropout voltage is minimized by employing a low resistance pass element.

Detailed Application Field Plans

The TA78L015AP(F,M) finds applications in various fields, including:

1. Consumer Electronics: Used in portable devices, such as smartphones, tablets, and digital cameras, to provide stable power supply for integrated circuits.
2. Automotive: Employed in automotive electronics for regulating voltages required by sensors, actuators, and control units.
3. Industrial Control Systems: Utilized in industrial automation systems to ensure precise and reliable power supply for microcontrollers, sensors, and other critical components.
4. Telecommunications: Integrated into communication equipment to regulate voltages for signal processing, amplification, and transmission modules.

Detailed and Complete Alternative Models

1. LM1117-1.5: A popular alternative with similar specifications and pin configuration.
2. MC78L15ACP: Another alternative offering comparable performance and package options.
3. L78L15ABD: Provides a higher output current of 150mA while maintaining compatibility with the TO-220 package.

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