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MC79L12 from FAIRCHILD,Fairchild Semiconductor

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MC79L12

Manufacturer: FAIRCHILD, MOTOROLA, NationalSemi

12V, 100mA Fixed Negative Voltage Regulator

Partnumber Manufacturer Quantity Availability
MC79L12 FAIRCHILD, MOTOROLA, NationalSemi 5970 In Stock

Description and Introduction

12V, 100mA Fixed Negative Voltage Regulator **Introducing the MC79L12: A Reliable Negative Voltage Regulator for Precision Applications**  

In the realm of electronic design, stable and efficient voltage regulation is crucial for ensuring optimal performance. The **MC79L12** is a compact, fixed-output negative voltage regulator designed to deliver a dependable **-12V** output with minimal external components. Ideal for low-power applications, this component offers a cost-effective solution for circuits requiring precise voltage control.  

Engineered for efficiency, the MC79L12 features a low dropout voltage and a maximum output current of **100mA**, making it suitable for a variety of embedded systems, instrumentation, and consumer electronics. Its robust design includes built-in thermal overload protection and short-circuit safeguards, enhancing reliability in demanding environments.  

One of the standout advantages of the MC79L12 is its simplicity—requiring only a single capacitor for stable operation. This ease of integration reduces design complexity and board space, making it an excellent choice for space-constrained applications. Additionally, its low quiescent current ensures minimal power wastage, contributing to energy-efficient designs.  

Whether used in audio equipment, sensor interfaces, or portable devices, the MC79L12 provides consistent performance with minimal noise, ensuring signal integrity. Its TO-92 package offers flexibility for prototyping and small-scale production, while its industrial-grade temperature range (-40°C to +125°C) ensures durability across diverse operating conditions.  

For engineers and designers seeking a reliable, low-cost negative voltage regulator, the MC79L12 stands out as a practical and efficient solution. Its combination of performance, protection features, and ease of use makes it a valuable component in modern electronic systems.  

Explore the potential of the MC79L12 in your next project and experience the benefits of a high-quality voltage regulator designed for precision and longevity.

Application Scenarios & Design Considerations

12V, 100mA Fixed Negative Voltage Regulator

Alternative Part Number

  • LM79L12ACZ --: Pin-compatible -12V fixed linear regulator in TO-92 with similar dropout and current rating, widely available and a common drop-in replacement.
  • UA79L12CKC --: Equivalent -12V 100mA negative regulator in TO-92 package, same pinout and electrical characteristics as the original.
  • L79L12ACZ --: Negative -12V linear regulator in TO-92 with comparable specifications, suitable as a functional substitute.
  • UA79L12CKCS --: Direct functional equivalent -12V fixed regulator, same package family and electrical characteristics, suitable drop-in replacement.
  • L79L12ACD13TR --: Alternative -12V low-current regulator with comparable specifications; different series naming makes it easy to distinguish from the original.
  • LM7912CT --: Same -12V fixed negative linear regulator in TO-220 package with equivalent 1A-class current capability and pinout; widely available and a direct functional replacement.
  • L7912CV --: Negative -12V fixed voltage regulator in TO-220, functionally equivalent to the 79L12 family with adequate output current and standard pinout.
  • KA7912 --: Fixed -12V negative regulator offering comparable electrical characteristics and TO-220 package, suitable as a drop-in substitute.

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