MC79L05BP-AP

Product Overview

Category

MC79L05BP-AP belongs to the category of linear voltage regulators.

Use

It is primarily used for regulating and stabilizing voltage in electronic circuits.

Characteristics

• Input Voltage Range: -35V to -7V
• Output Voltage: -5V
• Maximum Output Current: 100mA
• Low Dropout Voltage: 1.7V (typical)
• Thermal Shutdown Protection
• Short Circuit Current Limiting
• Available in TO-92 package

Package and Quantity

MC79L05BP-AP is available in a TO-92 package. It is typically sold in packs of 10.

Specifications

• Input Voltage Range: -35V to -7V
• Output Voltage: -5V
• Output Current: Up to 100mA
• Dropout Voltage: 1.7V (typical)
• Operating Temperature Range: -40°C to +125°C
• Thermal Resistance: 160°C/W (junction-to-ambient)

Pin Configuration

The MC79L05BP-AP has three pins:

1. Input (IN): Connects to the input voltage source.
2. Ground (GND): Connected to the ground reference.
3. Output (OUT): Provides the regulated -5V output voltage.

Functional Features

• Regulates and stabilizes voltage within the specified range.
• Provides a fixed -5V output voltage regardless of input variations.
• Offers thermal shutdown protection to prevent overheating.
• Incorporates short circuit current limiting for added safety.

Advantages and Disadvantages

Advantages

• Simple and cost-effective solution for voltage regulation.
• Compact TO-92 package allows for easy integration into various circuits.
• Wide operating temperature range makes it suitable for different environments.
• Provides stable output voltage even under varying load conditions.

Disadvantages

• Limited output current capacity (up to 100mA).
• Dropout voltage of 1.7V may not be suitable for applications with low input voltages.
• Requires external capacitors for stability in some cases.

Working Principles

MC79L05BP-AP is a linear voltage regulator that uses a series pass transistor to regulate the output voltage. It compares the reference voltage (-5V) with the feedback voltage and adjusts the pass transistor accordingly to maintain a stable output voltage. The regulator also incorporates thermal shutdown protection and short circuit current limiting to ensure safe operation.

Detailed Application Field Plans

MC79L05BP-AP finds application in various electronic circuits where a stable -5V voltage supply is required. Some common application areas include:

1. Power supplies for analog and digital circuits.
2. Voltage regulation in audio amplifiers.
3. Battery-powered devices requiring a regulated -5V supply.
4. Industrial control systems.
5. Automotive electronics.

Alternative Models

Here are some alternative models that can be used as substitutes for MC79L05BP-AP:

1. LM79L05: Similar specifications and pin configuration.
2. UA79L05: Equivalent performance with slight variations in characteristics.
3. L79L05: Comparable features and package type.

These alternatives provide similar functionality and can be considered based on availability and specific requirements.

In conclusion, MC79L05BP-AP is a linear voltage regulator that provides a stable -5V output voltage. It offers thermal shutdown protection, short circuit current limiting, and is available in a compact TO-92 package. With its wide range of applications and suitable alternatives, it serves as an essential component in various electronic circuits.