A number of people have been unable to find the transformer needed for the Black Light project, so I looked around to see if I could find a fluorescent lamp driver that does not require any special components. I finally found one in Electronics Now. Here it is. It uses a normal 120 to 6V stepdown transformer in reverse to step 12V to about 350V to drive a lamp without the need to warm the filaments. Circuit diagram Parts: C1 100uf 25V Electrolytic Capacitor C2,C3 0.01uf 25V Ceramic Disc Capacitor C4 0.01uf 1KV Ceramic Disc Capacitor R1 1K 1/4W Resistor R2 2.7K 1/4W Resistor Q1 IRF510 MOSFET U1 TLC555 Timer IC T1 6V 300mA Transformer LAMP 4W Fluorescent Lamp MISC Board, Wire, Heatsink For Q1 Notes: 1. Q1 must be installed on a heat sink. 2. A 240V to 10V transformer will work better then the one in the parts list. The problem is that they are hard to find. 3. This circuit can give a nasty (but not too dangerous) shock. Be careful around the output leads. |
Inverters
Saturday, April 11, 2009
12VDC Fluorescent Lamp Driver
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Inverters
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