omega
Junior Member level 1
tranformer less power
HI ALL
im try to make a lowest cost power suply
for a smal cosumer aplication :smile:
im need about 500mw (5volt 100ma) but a lowest posible cost he he (input 220vac)
some one have desing rule for capacitive coupled power suply or zener or ather desing
dut it must be a bit safe to use because cosumer product "UL aprovable"
thank alot
HI ALL
im try to make a lowest cost power suply
for a smal cosumer aplication :smile:
im need about 500mw (5volt 100ma) but a lowest posible cost he he (input 220vac)
some one have desing rule for capacitive coupled power suply or zener or ather desing
dut it must be a bit safe to use because cosumer product "UL aprovable"
thank alot