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A 160W CRT TV power supply using NCP1337

Posted: 21 Feb 2008 ?? ?Print Version ?Bookmark and Share

Keywords:power supply? CRT TV? switching controller?

Valley switching converters, also known as quasi-resonant (QR) converters, allow designing flyback switch-mode power supplies with reduced EMI signature and improved efficiency. Thanks to the low level of generated noise, valley switching SMPS converters are therefore very well suited to applications dealing with RF and video signals, such as TVs.

ON Semiconductor NCP1337 is a valley switching controller, which eases the design of an EMI-friendly TV power supply with only a few surrounding components. Moreover, very low standby power (less than 1W) can be achieved without any noise.

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