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L78L08ACD
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L78L08ACD

Product Overview

Category

The L78L08ACD belongs to the category of linear voltage regulators.

Use

It is used to regulate and stabilize the output voltage in electronic circuits.

Characteristics

  • Input Voltage: 10V to 35V
  • Output Voltage: 8V
  • Maximum Output Current: 100mA
  • Low dropout voltage
  • Thermal shutdown and short-circuit protection

Package

The L78L08ACD comes in a standard TO-92 package.

Essence

The essence of the L78L08ACD lies in its ability to provide a stable and regulated output voltage for various electronic applications.

Packaging/Quantity

It is typically available in reels or tubes with varying quantities, depending on the supplier.

Specifications

  • Input Voltage Range: 10V to 35V
  • Output Voltage: 8V
  • Output Current: Up to 100mA
  • Dropout Voltage: 1.7V (typical)
  • Operating Temperature Range: -40°C to 125°C
  • Line Regulation: 0.03% / V
  • Load Regulation: 0.3% / mA

Detailed Pin Configuration

The L78L08ACD has three pins: 1. Input (Vin) 2. Ground (GND) 3. Output (Vout)

Functional Features

  • Regulates input voltage to a stable 8V output
  • Provides thermal shutdown and short-circuit protection
  • Low dropout voltage ensures efficient operation

Advantages

  • Compact TO-92 package
  • Wide input voltage range
  • Thermal shutdown and short-circuit protection enhance reliability

Disadvantages

  • Limited maximum output current (100mA)
  • Higher dropout voltage compared to some modern regulators

Working Principles

The L78L08ACD operates by comparing the output voltage to a reference voltage and adjusting the pass transistor to maintain a constant 8V output, regardless of variations in the input voltage or load.

Detailed Application Field Plans

The L78L08ACD is commonly used in low-power electronic devices such as battery-powered equipment, sensor modules, and small-scale embedded systems. Its stable output voltage makes it suitable for applications requiring precise voltage regulation.

Detailed and Complete Alternative Models

Some alternative models to the L78L08ACD include the LM7808, UA7808, and MC7808. These linear voltage regulators offer similar functionality and can be used as substitutes based on specific application requirements.

In conclusion, the L78L08ACD is a reliable linear voltage regulator that provides stable and regulated 8V output voltage for a wide range of electronic applications. Despite its limitations in maximum output current and dropout voltage, its compact package and essential features make it a popular choice for low-power electronic designs.

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技術ソリューションにおける L78L08ACD の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is the L78L08ACD?

    • The L78L08ACD is a fixed voltage regulator that provides a constant 8V output voltage.

  2. What is the input voltage range for the L78L08ACD?

    • The input voltage range for the L78L08ACD is typically between 10V and 30V.

  3. What is the maximum output current of the L78L08ACD?

    • The maximum output current of the L78L08ACD is 100mA.

  4. Can the L78L08ACD be used to power microcontrollers and other digital ICs?

    • Yes, the L78L08ACD can be used to power microcontrollers and other digital ICs that require a stable 8V power supply.

  5. Is the L78L08ACD suitable for battery-powered applications?

    • Yes, the L78L08ACD is suitable for battery-powered applications as it can regulate the voltage from the battery to a stable 8V output.

  6. What are the typical applications of the L78L08ACD?

    • The L78L08ACD is commonly used in automotive, industrial, and consumer electronics applications where a stable 8V power supply is required.

  7. Does the L78L08ACD require external components for operation?

    • Yes, the L78L08ACD requires input and output capacitors for stable operation.

  8. What are the key features of the L78L08ACD?

    • The key features of the L78L08ACD include thermal shutdown, short-circuit protection, and overvoltage protection.

  9. Can the L78L08ACD be used in parallel to increase the output current?

    • No, the L78L08ACD is not designed to be used in parallel to increase the output current.

  10. Are there any specific layout considerations when using the L78L08ACD?

    • It is important to keep the input and output traces short and use proper decoupling capacitors to ensure stability and minimize noise in the circuit.