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LM7909

Manufacturer: Fairchild (now onsemi)

This datasheet includes multiple variants, all published together in a single manufacturer document.

LM7909 datasheet preview

Datasheet Details

Part number LM7909
Datasheet LM7909 LM7905 Datasheet (PDF)
File Size 227.10 KB
Manufacturer Fairchild (now onsemi)
Description 3-Terminal 1A Negative Voltage Regulator
LM7909 page 2 LM7909 page 3

LM7909 Overview

The KA79XX / KA79XXA / LM79XX series of three-terminal negative regulators are available in a TO-220 package with several fixed output voltages, making them useful in a wide range of applications. Each type employs internal current limiting, thermal shutdown, and safe operating area protection.

LM7909 Key Features

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

LM7909 from other manufacturers

See all manufacturers

Brand Logo Part Number Description Other Manufacturers
UTC Logo LM7909 3 TERMINAL 1A NEGATIVE VOLTAGE REGULATOR UTC
AP Semiconductor LM7909 3-Terminal Negative voltage Regulators AP Semiconductor
TAITRON Logo LM7909 1A Standard Negative Voltage Regulator TAITRON
HTC Logo LM7909TP 3-Terminal 1.5A Negative Voltage Regulator HTC
Fairchild (now onsemi) logo - Manufacturer

More Datasheets from Fairchild (now onsemi)

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Part Number Description
LM7909A 3-Terminal 1A Negative Voltage Regulator
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LM7905CT 3-Terminal 1A Negative Voltage Regulator
LM7906 3-Terminal 1A Negative Voltage Regulator
LM7906A 3-Terminal 1A Negative Voltage Regulator
LM7908 3-Terminal 1A Negative Voltage Regulator
LM7908A 3-Terminal 1A Negative Voltage Regulator
LM7908CT 3-Terminal 1A Negative Voltage Regulator
LM7910 3-Terminal 1A Negative Voltage Regulator

LM7909 Distributor

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