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MC79L12ACD

MC79L12ACD Description

The MC79L12ACD is a linear voltage regulator designed by onsemi, offering a fixed -12V output voltage with a maximum output current of 100mA. This regulator is housed in an 8-lead SOIC package, making it suitable for surface-mount applications. Despite being marked as obsolete, the MC79L12ACD remains a reliable choice for applications requiring a stable negative voltage supply.

MC79L12ACD Features

• Output Type: Fixed -12V
• Output Current: 100mA
• Number of Regulators: 1
• Output Configuration: Negative
• Voltage Dropout (Max): 1.7V @ 40mA (Typ)
• Operating Temperature: 0°C to 125°C
• Power Supply Rejection Ratio (PSRR): 42dB at 120Hz
• Protection Features: Over-temperature and short-circuit protection
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Mounting Type: Surface Mount
• Package: Tube
• Product Status: Obsolete
• REACH Status: REACH Unaffected
• ECCN: EAR99
• HTSUS: 8542.39.0001

MC79L12ACD Applications

The MC79L12ACD is ideal for a variety of applications where a stable -12V supply is required. Its key applications include:

• Analog Circuits: Providing a stable negative voltage supply for operational amplifiers, analog-to-digital converters (ADCs), and other analog components.
• Power Supplies: Used in power supply units where a negative voltage rail is necessary.
• Telecommunications: In telecommunication equipment that requires a regulated negative voltage for biasing and powering various components.
• Industrial Equipment: Suitable for industrial control systems and instrumentation where a reliable negative voltage supply is crucial.

Conclusion of MC79L12ACD

The MC79L12ACD stands out due to its combination of a fixed -12V output, low dropout voltage, and robust protection features. Its ability to operate within a wide temperature range (0°C to 125°C) and its surface-mount package make it a versatile choice for various electronic designs. Although marked as obsolete, the MC79L12ACD continues to offer reliable performance and is unaffected by REACH regulations. For applications requiring a stable negative voltage supply, the MC79L12ACD remains a dependable option, ensuring consistent performance and protection against common power-related issues.