ON Semiconductor
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MC78M18CDTG
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MC78M18CDTG

Product Overview

Category

MC78M18CDTG 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: 7V to 35V
  • Output Voltage: 18V
  • Maximum Output Current: 0.5A
  • Low Dropout Voltage: 2V
  • Thermal Overload Protection
  • Short Circuit Protection

Package

The MC78M18CDTG comes in a TO-252-3 package.

Essence

The essence of MC78M18CDTG lies in its ability to provide a stable and regulated 18V output voltage for various electronic applications.

Packaging/Quantity

It is typically available in reels with quantities varying based on manufacturer specifications.

Specifications

  • Input Voltage Range: 7V to 35V
  • Output Voltage: 18V
  • Output Current: 0.5A
  • Dropout Voltage: 2V
  • Operating Temperature Range: -40°C to 125°C
  • Line Regulation: 0.2%
  • Load Regulation: 0.4%

Detailed Pin Configuration

  1. Input (Vin)
  2. Ground (GND)
  3. Output (Vout)

Functional Features

  • Regulates input voltage to a stable 18V output
  • Provides thermal overload protection
  • Offers short circuit protection
  • Wide input voltage range

Advantages

  • Stable and regulated output voltage
  • Wide input voltage range
  • Thermal and short circuit protection
  • Compact TO-252-3 package

Disadvantages

  • Limited maximum output current (0.5A)
  • Dropout voltage of 2V may not be suitable for low voltage applications

Working Principles

The MC78M18CDTG operates by comparing the output voltage to a reference voltage and adjusting the pass transistor to maintain a constant 18V output, regardless of changes in input voltage or load conditions. It incorporates thermal and short circuit protection to ensure safe operation.

Detailed Application Field Plans

  • Power supply for audio amplifiers
  • Voltage regulator for automotive electronics
  • Industrial control systems
  • Battery charging circuits

Detailed and Complete Alternative Models

  • LM7818
  • UA7818
  • L7818CV

In conclusion, MC78M18CDTG is a reliable linear voltage regulator that provides a stable 18V output voltage with essential protection features, making it suitable for a wide range of electronic applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MC78M18CDTG v technických řešeních

  1. What is the MC78M18CDTG?

    • The MC78M18CDTG is a linear voltage regulator that provides a fixed 18V output voltage.

  2. What is the input voltage range for MC78M18CDTG?

    • The input voltage range for MC78M18CDTG is typically between 21V and 35V.

  3. What is the maximum output current of MC78M18CDTG?

    • The maximum output current of MC78M18CDTG is 0.5A.

  4. What are the typical applications of MC78M18CDTG?

    • MC78M18CDTG is commonly used in various technical solutions such as power supplies, industrial control systems, and automotive electronics.

  5. What is the dropout voltage of MC78M18CDTG?

    • The dropout voltage of MC78M18CDTG is typically around 2V at full load.

  6. Is MC78M18CDTG suitable for battery-powered applications?

    • Yes, MC78M18CDTG can be used in battery-powered applications, but it's important to consider its dropout voltage and efficiency.

  7. Does MC78M18CDTG require external components for operation?

    • Yes, MC78M18CDTG requires input and output capacitors for stable operation.

  8. What is the thermal resistance of MC78M18CDTG?

    • The thermal resistance of MC78M18CDTG is typically around 50°C/W.

  9. Can MC78M18CDTG handle transient voltage spikes?

    • MC78M18CDTG has built-in protection features to handle transient voltage spikes within specified limits.

  10. Is MC78M18CDTG available in different package types?

    • Yes, MC78M18CDTG is available in various package types, including TO-220 and D2PAK.