LM3909 LM3909 LED Flasher/Oscillator

National Semiconductor

Description

LM3909 LED Flasher Oscillator February 1995 LM3909 LED Flasher Oscillator General .
The LM3909 is a monolithic oscillator specifically designed to flash Light Emitting Diodes By using the timing capacitor for voltage boost it delivers.

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Datasheet Specifications

Part number: LM3909
Manufacturer: National Semiconductor
File Size: 149.25 KB
Datasheet: LM3909_NationalSemiconductor.pdf
Description: LM3909 LED Flasher/Oscillator

Features

* Y Y Y Y Y Y Y Y Operation over one year from one C size flashlight cell Bright high current LED pulse Minimum external parts Low cost Low voltage operation from just over 1V to 5V Low current drain averages under 0 5 mA during battery life Powerful as an oscillator directly drives an 8X speaker Wi

Applications

* Y Y Y Y Y Y Y Finding flashlights in the dark or locating boat mooring floats Sales and advertising gimmicks Emergency locators for instance on fire extinguishers Toys and novelties Electronic applications such as trigger and sawtooth generators Siren for toy fire engine (combined oscillator spea

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LM3909 LM3909 LED Flasher Oscillator National Semiconductor

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