Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| OutputConfiguration | Negative |
| OutputType | Fixed |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | -30V |
| Voltage-Output(Min/Fixed) | -5V |
| VoltageDropout(Max) | 1.7V @ 40mA (Typ) |
| Current-Output | 100mA |
| PSRR | 49dB (120Hz) |
| ProtectionFeatures | Over Temperature, Short Circuit |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Overview
Description
The MC79L05ABDR2G is a fixed negative voltage regulator integrated circuit commonly used in electronic applications to provide a stable output voltage of -5V. It is part of the MC79L series, designed to supply a constant negative output voltage for circuits that require such a power configuration. This IC is particularly suitable for low-current applications, often delivering up to 100mA of output current.
Key features include internal current limiting, thermal shutdown, and safe area protection, which enhance its reliability and protect both the device and the circuit it powers. The MC79L05ABDR2G is typically packaged in a surface-mounted configuration, making it suitable for compact designs and printed circuit boards. Its ease of use and minimal external components requirement make it a popular choice for battery-powered devices, small power supplies, and other electronic projects needing a negative voltage reference. Its operating temperature range and robust design further contribute to its versatility across various applications.
Key features include internal current limiting, thermal shutdown, and safe area protection, which enhance its reliability and protect both the device and the circuit it powers. The MC79L05ABDR2G is typically packaged in a surface-mounted configuration, making it suitable for compact designs and printed circuit boards. Its ease of use and minimal external components requirement make it a popular choice for battery-powered devices, small power supplies, and other electronic projects needing a negative voltage reference. Its operating temperature range and robust design further contribute to its versatility across various applications.
Equivalent
The MC79L05ABDR2G is a negative voltage regulator. Equivalent products include the LM79L05 series from manufacturers like Texas Instruments and ON Semiconductor, as well as the UA79L05 from various suppliers. These alternatives provide similar specifications, typically offering a fixed -5V output and low current capabilities suitable for small, low-power applications. Always check the datasheet for pin compatibility and specific performance requirements.
Features
The MC79L05ABDR2G is a fixed-output voltage regulator that provides a stable 5V output. It is designed for applications requiring a negative voltage supply. Key features include:
1. Output Current: Capable of delivering up to 100 mA.
2. Input Voltage Range: Suitable for input voltages up to -35V.
3. Thermal Protection: Built-in thermal shutdown to prevent overheating.
4. Short-Circuit Protection: Automatically limits current to prevent damage when a short circuit occurs.
5. Low Quiescent Current: Efficient operation with minimal power waste.
6. Package: Available in a compact surface-mount SOT-89 package.
7. Temperature Range: Operates over a wide temperature range suitable for various environments.
8. Low Noise: Provides stable, low-noise voltage output.
These features make it ideal for use in low-power and space-constrained applications, such as battery-powered devices, negative voltage generation, and general purpose electronic projects.
1. Output Current: Capable of delivering up to 100 mA.
2. Input Voltage Range: Suitable for input voltages up to -35V.
3. Thermal Protection: Built-in thermal shutdown to prevent overheating.
4. Short-Circuit Protection: Automatically limits current to prevent damage when a short circuit occurs.
5. Low Quiescent Current: Efficient operation with minimal power waste.
6. Package: Available in a compact surface-mount SOT-89 package.
7. Temperature Range: Operates over a wide temperature range suitable for various environments.
8. Low Noise: Provides stable, low-noise voltage output.
These features make it ideal for use in low-power and space-constrained applications, such as battery-powered devices, negative voltage generation, and general purpose electronic projects.
Pinout
The MC79L05ABDR2G is a fixed negative voltage regulator. It typically comes in a SOT-223 package with 3 pins. Here's a concise description of its pin count and functions:
1. Pin 1 (Input): This pin is where the unregulated negative voltage is applied. It acts as the input terminal for voltage regulation.
2. Pin 2 (Ground): This is the common ground pin for both the input and output. It serves as a reference point for the voltages.
3. Pin 3 (Output): This pin provides the regulated negative output voltage, which is typically -5V for the MC79L05 series.
This device is used to maintain a steady output voltage despite variations in input voltage or load conditions. It's commonly utilized in power management applications where a stable negative voltage is required.
1. Pin 1 (Input): This pin is where the unregulated negative voltage is applied. It acts as the input terminal for voltage regulation.
2. Pin 2 (Ground): This is the common ground pin for both the input and output. It serves as a reference point for the voltages.
3. Pin 3 (Output): This pin provides the regulated negative output voltage, which is typically -5V for the MC79L05 series.
This device is used to maintain a steady output voltage despite variations in input voltage or load conditions. It's commonly utilized in power management applications where a stable negative voltage is required.
Manufacturer
The MC79L05ABDR2G is manufactured by onsemi (ON Semiconductor), a company that specializes in semiconductor solutions. onsemi produces a wide range of semiconductor components, including power and signal management, logic, discrete, and custom devices. Their products are used across various industries such as automotive, industrial, communications, computing, and consumer electronics. onsemi is known for its focus on energy-efficient innovations and solutions that address power management challenges.
Application
The MC79L05ABDR2G is a voltage regulator primarily used in applications requiring a stable negative voltage supply. Typical application areas include:
1. Consumer Electronics: Provides stable power for devices like TVs, audio equipment, and cameras.
2. Industrial Systems: Used in control systems and factory automation equipment.
3. Telecommunications: Powers networking equipment such as routers and modems.
4. Automotive Electronics: Ensures consistent voltage for various in-car systems.
5. Computing Devices: Powers components in computers and peripherals requiring negative voltage.
6. Battery-Powered Devices: Enhances battery life by providing efficient voltage regulation.
These applications benefit from the IC's reliability and efficiency in delivering a fixed negative output voltage.
1. Consumer Electronics: Provides stable power for devices like TVs, audio equipment, and cameras.
2. Industrial Systems: Used in control systems and factory automation equipment.
3. Telecommunications: Powers networking equipment such as routers and modems.
4. Automotive Electronics: Ensures consistent voltage for various in-car systems.
5. Computing Devices: Powers components in computers and peripherals requiring negative voltage.
6. Battery-Powered Devices: Enhances battery life by providing efficient voltage regulation.
These applications benefit from the IC's reliability and efficiency in delivering a fixed negative output voltage.
Package
The MC79L05ABDR2G is a voltage regulator in a surface-mount package, specifically the SOIC-8 (Small Outline Integrated Circuit) package type. It's designed for applications requiring a negative fixed voltage output.
