Power Factor Corrected LED Driver with Primary Side CC/CV

The NCL30488 is a power factor corrected flyback controller targeting isolated constant current LED drivers. The controller operates in a quasi−resonant mode to provide high efficiency. Thanks to a novel control method, the device is able to tightly regulate a constant LED current from the pri

文件：339.26 Kbytes 页数：24 Pages

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Fixed Frequency Current‐Mode Controller for Flyback Converter

The NCP1239 is a fixed-frequency current-mode controller featuring a high-voltage start-up current source to provide a quick and lossless power-on sequence. This function greatly simplifies the design of the auxiliary supply and the VCC capacitor by activating the internal start-up current sou

文件：398.95 Kbytes 页数：29 Pages

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Fixed Frequency Current Mode Controller for Flyback Converters

The NCP1246 is a new fixed−frequency current−mode controller featuring the Dynamic Self−Supply. This function greatly simplifies the design of the auxiliary supply and the VCC capacitor by activating the internal startup current source to supply the controller during start−up, transients, latc

文件：1.35083 Mbytes 页数：41 Pages

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PWM Current-Mode Controller for Free Running Quasi-Resonant Operation

The NCP1207A/B combines a true current mode modulator and a demagnetization detector to ensure full borderline/critical Conduction Mode in any load/line conditions and minimum drain voltage switching (Quasi−Resonant operation). Due to its inherent skip cycle capability, the controller enters b

文件：490.83 Kbytes 页数：21 Pages

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