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LM7912 IC – 12V Negative Voltage Regulator IC

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Description

The LM7912 is engineered to deliver a consistent -12V output with a maximum current capacity of 1A. It includes internal protection features such as thermal overload and short-circuit protection, ensuring safe and reliable operation. The IC is straightforward to use, requiring minimal external components for stable performance.

Features

  • Fixed Output Voltage: Provides a stable -12V output voltage.
  • Output Current: Capable of delivering up to 1A of continuous output current.
  • Thermal Overload Protection: Includes built-in protection to prevent damage from excessive heat.
  • Short-Circuit Protection: Features short-circuit protection to safeguard against overload conditions.
  • Easy to Use: Requires only a few external components for stable operation, typically input and output capacitors.
  • Wide Input Voltage Range: Operates with input voltages from -14V to -35V, depending on load and stability requirements.

Specifications

  • Output Voltage: Fixed at -12V
  • Output Current: Up to 1A
  • Dropout Voltage: Typically around 2V (varies with load current and temperature)
  • Line Regulation: Typically 0.02%/V
  • Load Regulation: Typically 0.1% for a 0 to 1A load
  • Temperature Range: -40°C to +125°C
  • Package Types: Available in TO-220, TO-92, and other suitable packages

Applications

  • Power Supply Design: Ideal for providing a regulated -12V supply in various electronic devices and circuits.
  • Embedded Systems: Used in embedded systems that require a stable -12V power source.
  • Consumer Electronics: Commonly found in consumer electronics needing a regulated -12V power supply.
  • Communication Equipment: Suitable for communication devices that require a stable -12V power.
  • Battery-Powered Devices: Useful for applications needing -12V regulation from a higher voltage source.

Note

* Product Images are shown for illustrative purposes only and may differ from actual product

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