ON Semiconductor
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MC78L09ACPG
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MC78L09ACPG

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Regulator
  • Characteristics: Fixed Output, Positive Voltage Regulator
  • Package: TO-92
  • Essence: Linear Regulator
  • Packaging/Quantity: Tape and Reel, 2000 units per reel

Specifications

  • Output Voltage: 9V
  • Output Current: 100mA
  • Input Voltage Range: 10.5V to 35V
  • Dropout Voltage: 1.7V (typical)
  • Line Regulation: 0.2% (typical)
  • Load Regulation: 0.4% (typical)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MC78L09ACPG has three pins: 1. Input (IN): Connects to the input voltage source. 2. Ground (GND): Connected to the ground reference. 3. Output (OUT): Provides the regulated output voltage.

Functional Features

  • Fixed Output Voltage: The MC78L09ACPG provides a fixed output voltage of 9V, making it suitable for applications requiring a stable voltage supply.
  • Low Dropout Voltage: 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, which prevents damage due to excessive temperature.

Advantages and Disadvantages

Advantages: - Compact Size: The TO-92 package makes it easy to integrate into various electronic circuits. - Cost-Effective: The MC78L09ACPG offers a cost-effective solution for voltage regulation needs. - Wide Operating Temperature Range: It can operate reliably in extreme temperature conditions.

Disadvantages: - Limited Output Current: The maximum output current of 100mA may not be sufficient for high-power applications. - Fixed Output Voltage: The regulator only provides a fixed output voltage of 9V, limiting its versatility.

Working Principles

The MC78L09ACPG is a linear voltage regulator that uses a series pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage and adjusting the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The MC78L09ACPG is commonly used in various electronic devices and circuits, including: 1. Power Supplies: It can be used as a voltage regulator in power supply circuits to provide a stable 9V output. 2. Audio Amplifiers: The regulator ensures a consistent voltage supply for audio amplifier circuits, improving their performance. 3. Battery-Powered Devices: It can be employed in battery-powered devices to regulate the voltage and extend battery life.

Detailed and Complete Alternative Models

Some alternative models to the MC78L09ACPG include: 1. LM7809: A popular 9V linear voltage regulator available in different packages. 2. UA78M09: Another 9V positive voltage regulator with similar specifications. 3. L78L09ABUTR: A low-dropout (LDO) regulator with a fixed 9V output voltage.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van MC78L09ACPG in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of MC78L09ACPG in technical solutions:

  1. Q: What is MC78L09ACPG? A: MC78L09ACPG is a voltage regulator integrated circuit (IC) that provides a fixed output voltage of +9V.

  2. Q: What is the maximum input voltage for MC78L09ACPG? A: The maximum input voltage for MC78L09ACPG is typically around +35V.

  3. Q: What is the output current capability of MC78L09ACPG? A: MC78L09ACPG can provide an output current of up to 100mA.

  4. Q: Can MC78L09ACPG be used to regulate negative voltages? A: No, MC78L09ACPG is designed to regulate positive voltages only.

  5. Q: Is MC78L09ACPG suitable for low-power applications? A: Yes, MC78L09ACPG is commonly used in low-power applications such as sensors, microcontrollers, and small electronic devices.

  6. Q: Does MC78L09ACPG require any external components for operation? A: Yes, MC78L09ACPG requires at least two external capacitors for stability and proper operation.

  7. Q: What is the typical dropout voltage of MC78L09ACPG? A: The typical dropout voltage of MC78L09ACPG is around 1.2V.

  8. Q: Can MC78L09ACPG handle high temperatures? A: MC78L09ACPG has a maximum operating temperature of +125°C, making it suitable for many industrial applications.

  9. Q: Can MC78L09ACPG be used in battery-powered devices? A: Yes, MC78L09ACPG is commonly used in battery-powered devices to regulate the voltage and ensure stable operation.

  10. Q: Is MC78L09ACPG available in different package types? A: Yes, MC78L09ACPG is available in various package types, including TO-92, SOT-89, and SOIC-8, providing flexibility for different applications.

Please note that these answers are general and may vary depending on specific datasheet specifications and application requirements.