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For low Power: Integrated SMPS are more favorable than external Plug-in Power Supplies or Linear Regulators
Advantages
- No additional bulky housing for a possibly heavy power supply; reduced expenditure for housings, printed circuit board and handling compensates possibly additional expenditure for electronics.
- Reduced energy costs by better efficiency: Even with only 5 W output power one can save energy costs of approx. 18, - € by an improvement of the efficiency of 50% to 70% (with continuous operation over 5 years).
- The costs of safety investigations are often overestimated; beyond that the use of a ce-conformal power supply does not guarantee the fulfilment of the EMC laws. Critically: Connection between power supply and load, which can work as a transmitting antenna for interfering radiation.
- The economical use of a replacement of plug-in power supplies by integrated SMPS would be substantial: With (estimated) 200 million plug-in power supplies (approx. 5/household) with on the average 5 W losses an energy cost saving of approx. 750 millions € per annum only in Germany could to be obtained by reduction of the losses by around 3 W (corresponds to an improvement of the efficiency of 50% to 71,5%).
We offer the development of cost-optimized integrated switch-mode power supplies for low power to you (for 10 W achievement and a number of items of 1-10k per annum the unit costs for production are approx. 5, - €) on basis TopSwitch or TinySwitch on (circuit diagram & picture)
Furthermore we advise you with the reduction of the Standby losses of your devices by further measures.
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