Lm3909 LED flasher | other-projects

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Lm3909 LED flasher

LM3909 is a monolithic oscillator designed by National Semiconductor , to flash (LED) Light Emitting Diodes.

Packaged in DIP 8 packageLM3909 will operate between -25 and 75 degree .Lm3909 require to work only few components and can be used in many light electrical applications.

Lm3909 can be used in applications like : warning indicators powered by 1.4V to 200V , toys and novelties .

The main Features of Lm3909 are : operation over one year from one C size flashlight cell , bright, high current LED pulse , few external components , low voltage operation ( 1V to 5V ) , low current drain (under 0.5 mA ) , wide temperature range .

As you can see in the circuit schematics the LM3909 Led flasher require few external components and is very simple to do . To choose the components value for your project look in the table bellow .

Lm3909 warning flashlight application .

lm3909 warning flash light circuit lm3909 tipical parameters

Lm3909 flashlight finder application .

lm3909 flashlight finder application schematic

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