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LM7909 -9V Negative Voltage Regulator IC- ( Pack of 3 )

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  • LM7909 is -9V Negative Voltage Regulator
  • Output Voltage: -9V
  • Output  Current: 1.5A
  • Minimum Input Voltage is -12V
  • Maximum Input Voltage is -35V
  • Operating current(IQ) is 5mA
  • Internal Thermal Overload and Short circuit current limiting protection is available.
  • Junction Temperature maximum 125 degree Celsius
  • Available in TO-220 package

51.00 43.22+18% GST

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SKU 04BI008 Category

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Description

LM7909 -9V Negative Voltage Regulator- ( Pack of 3 )

Voltage regulators are very common in electronic circuits. They provide a constant output voltage for a varied input voltage. In this case, the 7909 IC is a negative 9V regulator, meaning it provides -9V as output. The name 7909 signifies two meanings, “79” means that it is a negative voltage regulator and “09” means that it provides -9V as output. So our 7909 will provide a -9V output voltage.

The output current of this IC can go up to 1.5A, but the IC suffers from heavy heat loss hence a Heat sink is recommended for projects that consume more current.it has internal current limiting, thermal shut down and safe operating area protection, making it essentially indestructible. Although designed primarily as fixed voltage regulators, these devices can be used with external components to obtain adjustable voltages and currents.

Negative voltage regulators are mainly used in Op-Amp and other circuits where a negative supply voltage is needed. In many cases where an Op-Amp is working in a dual-mode power supply, a negative voltage will be regulated by these 79XX ICs. Also, these IC’s will be able to source current into the ground rail instead of sinking it as normally.

LM7909

The LM7909  is a three-pin IC.
Pin 1 (Ground ): Ground pin establishes the ground for the regulator.
Pin 2 (Input): The Input pin is the pin that accepts the incoming DC voltage, which the voltage regulator will eventually regulate down to -9 volts.
Pin 3 (Output Pin): The Output pin is the regulated -9 volts DC.

Features

  • 9V Negative Voltage Regulator
  • Output Voltage: -9V
  • Output  Current: 1.5A
  • Minimum Input Voltage is -12V
  • Maximum Input Voltage is -35V
  • Operating current(IQ) is 5mA
  • Internal Thermal Overload and Short circuit current limiting protection is available.
  • Junction Temperature maximum 125 degree Celsius
  • Available in TO-220  package.

 Applications

  • Constant -9V output regulator too for op-amp signals
  • Adjustable Output Regulator
  • Current Limiter for certain applications
  • Regulated Dual Supply

Package Includes:

1 x LM7909 -9V Negative Voltage Regulator- ( Pack of 3 )

 

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Specification

Category:                                                   Linear Regulator
Package Type:                                           TO-220
Mounting Style:                                        Through Hole
Output Voltage:                                       -9v
Input Voltage Range:                              -12V to -35V
Output Current:                                       1.5A
Output voltage tolerance:                     4%
Operating temperature range:            0°C to 125°C
Load Regulation:                                     180 mV
Line Regulation:                                      140 mV

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