4W Fluorescent lamp driver.
Description.
This is a simple 4 W fluorescent lamp driver circuit that can be operated from a 12 V supply.The first part of the circuit includes a NE555 timer IC wired as an astable multivibrator.The output pulses from the IC are amplified by the transistor Q1.The transformer steps up the collector voltage to around 1KVto drive the fluorescent lamp. Before using the circuit, set the R2 at full resistance and switch on the supply, now adjust R2 so that the collector current is 300mA (use a multimeter) and this is the optimum setting for the lamp.Operating the lamp in this setting will give a better life.
Circuit diagram with Parts list.
Notes.
- Assemble the circuit on a general purpose PCB.
- The IC 1 must be mounted on a holder.
- Use heat sink for transistor Q1.
- Use a 3 V primary , 230 V secondary, 5W transformer for T1.
- Power the circuit from a 12V battery or 12V DC power supply.
- The L1 can be a 6 inch, 4W fluorescent lamp.
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Hi Raptor one pin from each side to be used (as the heating is not require) since it is high frequency, high energy discharge.
Hi Sugiman with a 3.7 volt 700mA battery, by using this circuit can illuminate 230volt 2.5 watts for 40 to 50 minutes. Try your luck. as these batteries available are not genuine.
hi Raptor, you can try to conect 2 pin in one conectn, you conect it pole by pole. it mean 2 in one pole conect to 1 cable of T. i saw that on emergancy TL. hope it work too here
please the help. i just want to lighting a 2.5 watt bulb using batt 4 v. may it done? tks
pls help. can i use this for lighting a bulb with spec 2.5wat using phone batt? like nokia battery BL5C or other. tks
well plz help how to connect the flourescent lamp because it has 4 terminals and the diagram have 2 connections
Any way a 4W fluorescent lamp itself will be the best option.
what i can use with a non fluorescent lamp,for examinate