NCP12400

Fixed Frequency Current Mode Controller for Flyback Converters

TheNCP12400isanewfixed−frequencycurrent−modecontroller featuringtheDynamicSelf−Supply.Thisfunctiongreatlysimplifies thedesignoftheauxiliarysupplyandtheVCCcapacitorbyactivating theinternalstartupcurrentsourcetosupplythecontrollerduring start−up,transients,lat

NCP12400

用于反激转换器的固定频率电流模式控制器（集成高电压启动和X2放电电路）

The NCP12400 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, latch, st; • Integrated HV Start-up and X2 Discharge\n• Reduces Overall System Cost and Complexity\n• Quiet Skip Feature\n• Ensures Skip Mode Operation Outside Audible Range\n• Frequency Foldback and Skip Mode\n• Average Efficiency Meets CoC Tier 2 Compliance\n• Timer−Based Overload Protection with Latched Or ;

NCP12400

Fixed Frequency Current Mode Controller for Flyback Converters

NCP12400_V01

Fixed Frequency Current Mode Controller for Flyback Converters

TheNCP12400isanewfixed−frequencycurrent−modecontroller featuringtheDynamicSelf−Supply.Thisfunctiongreatlysimplifies thedesignoftheauxiliarysupplyandtheVCCcapacitorbyactivating theinternalstartupcurrentsourcetosupplythecontrollerduring start−up,transients,lat

NCP12400BAHAB0DR2G

Fixed Frequency Current Mode Controller for Flyback Converters

TheNCP12400isanewfixed−frequencycurrent−modecontroller featuringtheDynamicSelf−Supply.Thisfunctiongreatlysimplifies thedesignoftheauxiliarysupplyandtheVCCcapacitorbyactivating theinternalstartupcurrentsourcetosupplythecontrollerduring start−up,transients,lat

NCP12400BAHBB0DR2G

Fixed Frequency Current Mode Controller for Flyback Converters

TheNCP12400isanewfixed−frequencycurrent−modecontroller featuringtheDynamicSelf−Supply.Thisfunctiongreatlysimplifies thedesignoftheauxiliarysupplyandtheVCCcapacitorbyactivating theinternalstartupcurrentsourcetosupplythecontrollerduring start−up,transients,lat

NCP12400BBAAA0DR2G

Fixed Frequency Current Mode Controller for Flyback Converters

TheNCP12400isanewfixed−frequencycurrent−modecontroller featuringtheDynamicSelf−Supply.Thisfunctiongreatlysimplifies thedesignoftheauxiliarysupplyandtheVCCcapacitorbyactivating theinternalstartupcurrentsourcetosupplythecontrollerduring start−up,transients,lat

NCP12400BBBBA0DR2G

Fixed Frequency Current Mode Controller for Flyback Converters

TheNCP12400isanewfixed−frequencycurrent−modecontroller featuringtheDynamicSelf−Supply.Thisfunctiongreatlysimplifies thedesignoftheauxiliarysupplyandtheVCCcapacitorbyactivating theinternalstartupcurrentsourcetosupplythecontrollerduring start−up,transients,lat

NCP12400BBBBB2DR2G

Fixed Frequency Current Mode Controller for Flyback Converters

TheNCP12400isanewfixed−frequencycurrent−modecontroller featuringtheDynamicSelf−Supply.Thisfunctiongreatlysimplifies thedesignoftheauxiliarysupplyandtheVCCcapacitorbyactivating theinternalstartupcurrentsourcetosupplythecontrollerduring start−up,transients,lat

NCP12400BBEBA0DR2G

Fixed Frequency Current Mode Controller for Flyback Converters

TheNCP12400isanewfixed−frequencycurrent−modecontroller featuringtheDynamicSelf−Supply.Thisfunctiongreatlysimplifies thedesignoftheauxiliarysupplyandtheVCCcapacitorbyactivating theinternalstartupcurrentsourcetosupplythecontrollerduring start−up,transients,lat