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MC78L08ACDR2G
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MC78L08ACDR2G

Overview

  • Category: Integrated Circuit
  • Use: Voltage Regulator
  • Characteristics: Low Dropout, Fixed Output Voltage
  • Package: SOIC-8
  • Essence: Linear Voltage Regulator
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 10V to 35V
  • Output Voltage: 8V
  • Output Current: 100mA
  • Dropout Voltage: 1.7V (typical)
  • Line Regulation: 0.5% (typical)
  • Load Regulation: 0.5% (typical)
  • Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MC78L08ACDR2G has a standard SOIC-8 package with the following pin configuration:

```

| | --| Vout Vin|-- --| GND NC |-- --| GND GND |-- |___________| ```

Functional Features

  • Provides a regulated output voltage of 8V.
  • Low dropout voltage allows operation with small input-output differentials.
  • Internal thermal shutdown protection prevents damage due to excessive heat.
  • Short-circuit current limiting protects the device and load from excessive current.

Advantages

  • Compact and easy-to-use voltage regulator.
  • Stable and reliable output voltage.
  • Wide operating temperature range.
  • Low dropout voltage enables efficient power conversion.

Disadvantages

  • Limited output current capability (100mA).
  • Requires external capacitors for stability.
  • Not suitable for high-power applications.

Working Principles

The MC78L08ACDR2G 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. The regulator maintains a constant output voltage by dissipating excess input voltage as heat.

Detailed Application Field Plans

The MC78L08ACDR2G is commonly used in various electronic devices and applications, including:

  1. Battery-powered devices: Provides a stable 8V supply for microcontrollers, sensors, and other low-power components.
  2. Automotive electronics: Used in automotive systems to regulate voltage for sensors, actuators, and control modules.
  3. Industrial equipment: Ensures a reliable power source for control circuits, sensors, and communication modules.
  4. Consumer electronics: Used in audio/video equipment, home appliances, and portable devices to maintain a consistent voltage level.

Detailed and Complete Alternative Models

  1. LM7808: Similar linear voltage regulator with a TO-220 package.
  2. LT1084: Adjustable linear voltage regulator with higher output current capability.
  3. LM317: Adjustable linear voltage regulator with a wide input voltage range.

These alternative models offer similar functionality and can be used as substitutes for the MC78L08ACDR2G in various applications.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de MC78L08ACDR2G en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of MC78L08ACDR2G in technical solutions:

  1. Q: What is MC78L08ACDR2G? A: MC78L08ACDR2G is a linear voltage regulator that provides a fixed output voltage of +8V.

  2. Q: What is the input voltage range for MC78L08ACDR2G? A: The input voltage range for MC78L08ACDR2G is typically between +9V and +35V.

  3. Q: What is the maximum output current of MC78L08ACDR2G? A: The maximum output current of MC78L08ACDR2G is 100mA.

  4. Q: Can MC78L08ACDR2G handle higher input voltages than +35V? A: No, MC78L08ACDR2G is not designed to handle input voltages higher than +35V. It may get damaged if exposed to higher voltages.

  5. Q: Is MC78L08ACDR2G suitable for battery-powered applications? A: Yes, MC78L08ACDR2G can be used in battery-powered applications as it has low quiescent current and low dropout voltage.

  6. Q: Does MC78L08ACDR2G require any external components for operation? A: Yes, MC78L08ACDR2G requires an input capacitor and an output capacitor for stable operation. Refer to the datasheet for recommended values.

  7. Q: Can MC78L08ACDR2G handle short-circuit conditions? A: Yes, MC78L08ACDR2G has built-in thermal shutdown and current limiting protection, which helps protect it from short-circuit conditions.

  8. Q: Can MC78L08ACDR2G be used in automotive applications? A: Yes, MC78L08ACDR2G is suitable for automotive applications as it can handle the required input voltage range and has a wide operating temperature range.

  9. Q: What is the package type of MC78L08ACDR2G? A: MC78L08ACDR2G is available in an SOIC-8 package, which is a surface-mount package with 8 pins.

  10. Q: Are there any alternative voltage regulators to consider instead of MC78L08ACDR2G? A: Yes, there are other voltage regulators available in the market. Some alternatives to consider are LM7808, LM317, and LT1084CP-5.