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MC79M15CDTG
বিস্তারিত দেখুন ডেটাশিট

MC79M15CDTG

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Regulator
  • Characteristics:
    • Regulates input voltage to a fixed output voltage of -15V
    • Designed for use in various electronic devices
  • Package: TO-252-3 (DPAK)
  • Essence: Monolithic integrated circuit
  • Packaging/Quantity: Tape and Reel, 2,500 units per reel

Specifications

  • Input Voltage Range: -35V to -10V
  • Output Voltage: -15V
  • Output Current: 0.5A
  • Dropout Voltage: 2V (max)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MC79M15CDTG has three pins:

  1. Input Pin (IN): Connects to the input voltage source (-35V to -10V).
  2. Ground Pin (GND): Connected to the ground reference.
  3. Output Pin (OUT): Provides the regulated -15V output.

Functional Features

  • Provides a stable -15V output voltage regardless of input voltage fluctuations.
  • Built-in thermal shutdown protection prevents damage due to excessive temperature.
  • Short-circuit current limiting protects the device from overcurrent conditions.
  • Low quiescent current consumption ensures efficient operation.

Advantages and Disadvantages

Advantages

  • Compact and easy to integrate into electronic circuits.
  • Wide input voltage range allows for versatile applications.
  • Excellent line and load regulation characteristics.
  • Reliable and durable design.

Disadvantages

  • Limited output current capacity (0.5A).
  • Dropout voltage may cause power dissipation in high current applications.

Working Principles

The MC79M15CDTG is a negative voltage regulator that utilizes a monolithic integrated circuit to regulate the input voltage to a fixed -15V output. It employs a series pass transistor, feedback loop, and error amplifier to maintain a stable output voltage despite variations in the input voltage.

Detailed Application Field Plans

The MC79M15CDTG can be used in various electronic devices and applications, including:

  1. Power supply circuits for audio amplifiers.
  2. Industrial control systems requiring a stable negative voltage source.
  3. Battery charging circuits.
  4. Instrumentation and measurement equipment.
  5. Automotive electronics.

Detailed and Complete Alternative Models

  • LM7915CT: Negative voltage regulator with similar specifications and package.
  • UA7915CKCSE3: Negative voltage regulator with higher output current capacity.
  • L7915CV: Negative voltage regulator with different package (TO-220).

These alternative models provide similar functionality and can be used as substitutes for the MC79M15CDTG depending on specific requirements.

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প্রযুক্তিগত সমাধানে MC79M15CDTG এর প্রয়োগ সম্পর্কিত 10টি সাধারণ প্রশ্ন ও উত্তর তালিকাভুক্ত করুন

Sure! Here are 10 common questions and answers related to the application of MC79M15CDTG in technical solutions:

  1. Q: What is MC79M15CDTG? A: MC79M15CDTG is a voltage regulator integrated circuit (IC) that provides a fixed output voltage of -15V.

  2. Q: What is the purpose of using MC79M15CDTG in technical solutions? A: MC79M15CDTG is commonly used to regulate and stabilize the supply voltage at -15V in various electronic circuits.

  3. Q: How does MC79M15CDTG work? A: MC79M15CDTG operates by taking an input voltage, typically higher than -15V, and regulating it down to a stable -15V output voltage.

  4. Q: What is the maximum input voltage for MC79M15CDTG? A: The maximum input voltage for MC79M15CDTG is typically around -35V to -40V.

  5. Q: Can MC79M15CDTG handle high current loads? A: Yes, MC79M15CDTG can handle moderate to high current loads, typically up to 500mA.

  6. Q: Is MC79M15CDTG suitable for both AC and DC input voltages? A: Yes, MC79M15CDTG can accept both AC and DC input voltages, as long as they fall within the specified range.

  7. Q: Does MC79M15CDTG require any external components for operation? A: Yes, MC79M15CDTG requires a few external components like capacitors for stability and filtering purposes.

  8. Q: Can MC79M15CDTG tolerate overvoltage or reverse polarity conditions? A: No, MC79M15CDTG is not designed to tolerate overvoltage or reverse polarity conditions. Proper protection circuitry should be implemented.

  9. Q: What are the typical applications of MC79M15CDTG? A: MC79M15CDTG is commonly used in power supplies, audio amplifiers, and other electronic circuits that require a stable -15V voltage source.

  10. Q: Are there any alternative voltage regulators similar to MC79M15CDTG? A: Yes, there are alternative voltage regulators available in the market, such as LM7915, UA7915, and L7915, which provide a fixed -15V output voltage.

Please note that the specific details and characteristics of MC79M15CDTG may vary, so it's always recommended to refer to the datasheet for accurate information.