Electronic 12V transformer (high frequency) to 12VDC

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Astro Power

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Joined 2004
Dear Friends,

I have a Electronic Halogen Transformer 12V for Halogen Lamps,

i have 5 products, 50W type, 60W,105W,150W,200W,

they made for halogen 12V lamps,

this is the circuit inside the products :

http://www.st.com/stonline/products/literature/an/3707.pdf
the first circuit.

i build with Ultra fast diode bridge and 25V 4700uF cap to get a DC,
very simple,

i ask, if i need to add some more components to make it more stable ? or it good enough ?

with 25W consumer the diodes get very hot (they connected to small heat sink).

Thanks alot,
 
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