CamSemi announced a family of performance controller ICs that will enable the development of low-cost, energy-efficient products. The C2470 family utilizes advances in intelligent digital/analogue control, coupled with a neat and simple resonant single-switch topology for off-line AC to DC power conversion. This approach provides secure operating efficiencies of 80% and 100 mW standby. By operating in resonant mode, EMI is reduced enabling the replacement of linear power supplies in demanding applications such as audio products and cordless phone chargers. The first three members from the C2470 family are for the 6W to 40W power range and are available in volume for applications such as battery chargers, mini adapters, routers, cordless phones and audio systems. Indicative pricing for C2472PX2, the SO23-6 part, is $0.45 each for 1000 piece quantities.
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