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LM7912A - 3-Terminal 1A Negative Voltage Regulator

Download the LM7912A datasheet PDF. This datasheet also covers the LM7905 variant, as both devices belong to the same 3-terminal 1a negative voltage regulator family and are provided as variant models within a single manufacturer datasheet.

General Description

The MC79XX / MC79XXA/ LM79XX series of three terminal negative regulators are available in TO-220 package and with several fixed output voltages, making them useful in a wide range of applications.

Key Features

  • Output Current in Excess of 1A.
  • Output Voltages of -5, -6, -8 , -9, -10, -12, -15, -18 and 24V.
  • Internal Thermal Overload Protection.
  • Short Circuit Protection.
  • Output Transistor Safe Operating Area Compensation.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (LM7905_FairchildSemiconductor.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
LM7912A 3 TERMINAL 1.5A NEGATIVE VOLTAGE REGULATOR UTC
LM7912 3-Terminal Negative Regulator Texas Instruments
LM7912 LM79XX Series 3-Terminal Negative Regulators National Semiconductor
LM7912 3 TERMINAL 1A NEGATIVE VOLTAGE REGULATOR Unisonic Technologies
LM7912 Three Terminal Negative Voltage Regulator Inchange Semiconductor

Other Datasheets by Fairchild (onsemi)

Part Number Description
LM7912 3-Terminal 1A Negative Voltage Regulator
LM7912CT 3-Terminal 1A Negative Voltage Regulator
LM7910 3-Terminal 1A Negative Voltage Regulator
LM7910A 3-Terminal 1A Negative Voltage Regulator
LM7910CT 3-Terminal 1A Negative Voltage Regulator

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
www.fairchildsemi.com MC79XX/MC79XXA/LM79XX 3-Terminal 1A Negative Voltage Regulator Features • Output Current in Excess of 1A • Output Voltages of -5, -6, -8 , -9, -10, -12, -15, -18 and 24V • Internal Thermal Overload Protection • Short Circuit Protection • Output Transistor Safe Operating Area Compensation Description The MC79XX / MC79XXA/ LM79XX series of three terminal negative regulators are available in TO-220 package and with several fixed output voltages, making them useful in a wide range of applications. Each type employs internal current limiting, thermal shut down and safe operating area protection, making it essentially indestructible. TO-220 Vin 1 1. GND 2. Input 3.