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MC7905 from ON,ON Semiconductor

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MC7905

Manufacturer: ON, VISHAY, MOTO

THREE-TERMINAL NEGATIVE VOLTAGE REGULATORS

Partnumber Manufacturer Quantity Availability
MC7905 ON, VISHAY, MOTO 1835 In Stock

Description and Introduction

THREE-TERMINAL NEGATIVE VOLTAGE REGULATORS **MC7905: A Reliable Solution for Negative Voltage Regulation**  

In the realm of electronic design, stable and efficient voltage regulation is crucial for ensuring the optimal performance of circuits. The MC7905, a widely recognized negative voltage regulator, stands out as a dependable choice for applications requiring precise -5V DC output.  

Designed to deliver a fixed -5V output with a maximum current capacity of 1A, the MC7905 is part of the 79XX series of linear regulators. Its robust construction and thermal overload protection make it suitable for a variety of industrial, automotive, and consumer electronics applications. Whether used in power supplies, instrumentation, or embedded systems, this component ensures consistent voltage regulation even under fluctuating input conditions.  

One of the key advantages of the MC7905 is its simplicity. With only a few external components required—typically input and output capacitors—it offers an easy-to-implement solution for designers. Its built-in short-circuit and thermal protection further enhance reliability, safeguarding circuits from potential damage due to excessive current or overheating.  

Additionally, the MC7905 operates efficiently across a wide input voltage range, typically from -7V to -35V, making it versatile for diverse power supply configurations. Its low dropout voltage and minimal output noise contribute to stable performance, which is particularly beneficial for sensitive analog and digital circuits.  

For engineers and hobbyists alike, the MC7905 remains a cost-effective and efficient option for negative voltage regulation. Its proven performance, combined with ease of integration, ensures that it continues to be a preferred component in power management designs.  

When precision and reliability are paramount, the MC7905 delivers, making it an essential part of any power supply system requiring a stable -5V output.

Application Scenarios & Design Considerations

THREE-TERMINAL NEGATIVE VOLTAGE REGULATORS

Alternative Part Number

  • L7905CV --: Negative 5V linear regulator in TO-220, direct functional equivalent to the MC7905 with similar current rating and pinout.
  • LM7905CT --: Widely available -5V fixed negative regulator in TO-220, same pinout and electrical characteristics as the MC7905.
  • KA7905TU --: Negative 5V regulator in TO-220 from the same manufacturer family, drop-in compatible replacement for the MC7905.

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