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:

Input Pin (IN): Connects to the input voltage source (-35V to -10V).
Ground Pin (GND): Connected to the ground reference.
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:

Power supply circuits for audio amplifiers.
Industrial control systems requiring a stable negative voltage source.
Battery charging circuits.
Instrumentation and measurement equipment.
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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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van MC79M15CDTG in technische oplossingen

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

Q: What is MC79M15CDTG? A: MC79M15CDTG is a voltage regulator integrated circuit (IC) that provides a fixed output voltage of -15V.
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.
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.
Q: What is the maximum input voltage for MC79M15CDTG? A: The maximum input voltage for MC79M15CDTG is typically around -35V to -40V.
Q: Can MC79M15CDTG handle high current loads? A: Yes, MC79M15CDTG can handle moderate to high current loads, typically up to 500mA.
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.
Q: Does MC79M15CDTG require any external components for operation? A: Yes, MC79M15CDTG requires a few external components like capacitors for stability and filtering purposes.
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.
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.
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.