Manufacturer Part Number
MC79L05ACDR2
Manufacturer
onsemi
Introduction
The MC79L05ACDR2 is a linear, low dropout voltage regulator specifically designed to output a fixed -5V voltage. It falls under the category of Power Management Integrated Circuits (PMIC), focusing on low drop out (LDO) regulators fabricated by onsemi.
Product Features and Performance
Fixed -5V Output Voltage
Maximum input voltage of -30V
Ability to supply 100mA of output current
Typical voltage dropout of 1.7V at 40mA
Power supply rejection ratio (PSRR) of 49dB at 120Hz
Protective features against over-temperature and short-circuit conditions
Operates within a temperature range of 0°C to 125°C
Product Advantages
Low dropout voltage facilitates efficient operation.
In-built protection enhances reliability and longevity.
High PSRR value ensures reduced noise in power supply.
Capable of operating in a wide temperature range, making it suitable for various environments.
Key Technical Parameters
Output Configuration: Negative
Number of Regulators: 1
Voltage Dropout (Max): 1.7V @ 40mA
Current - Output: 100mA
PSRR: 49dB (120Hz)
Operating Temperature: 0°C ~ 125°C
Quality and Safety Features
Over Temperature Protection
Short Circuit Protection
Compatibility
The device's package, an 8-SOIC (0.154", 3.90mm Width), allows for surface mount technology, providing compatibility with a wide range of circuit boards.
Application Areas
This voltage regulator finds applications in power supply circuits where a stable -5V output is critical. Its use spans across consumer electronics, industrial control systems, and automotive electronics, where reliability and efficiency are crucial.
Product Lifecycle
As of the current status, the MC79L05ACDR2 is marked obsolete, indicating it is nearing discontinuation with limited future availability. Users should seek replacements or upgrades for new designs.
Several Key Reasons to Choose This Product
Precision fixed -5V output suitable for various applications.
Built-in protective features ensuring reliability and longevity.
High PSRR for minimal noise interference in sensitive applications.
Surface mount package compatible with modern PCB designs.
Despite its obsolescence, ideal for maintaining or repairing existing equipments where this specific regulator is deployed.