UCC28780isahighfrequencyactiveclampflybackcontrollerthatenableshighdensityACtoDCpowersuppliesthatcomplywithstringentglobalefficiencystandardssuchasDoELevelVIandEUCoCV5Tier2.UserprogrammableadvancedcontrollawfeaturesallowperformancetobeoptimizedforbothSiliconSiandGalliumNitrideGaNpowerFETs.DirectoperationwithswitchingdevicesthatcombinedriverandGaNFETsisfurtherenhancedwithlogiclevelgatesignalsandenableoutputs.
ZerovoltageswitchingZVSisachievedoverawideoperatingrangewithadvancedautotuningtechniques,adaptivedeadtimeoptimization,andvariableswitchingfrequencycontrollaw.Usingadaptivemultimodecontrolthatchangestheoperationbasedoninputandoutputconditions,UCC28780enableshighefficiencywhilemitigatingaudiblenoise.Withavariableswitchingfrequencyofupto1MHzandaccurateprogrammableoverpowerprotection,whichprovidesconsistentpowerforthermaldesignacrosswidelinerange,thesizeofpassivecomponentscanbefurtherreducedandenablehighpowerdensity.
UCC28780workswithVDSsensingsynchronousrectifiercontrollers,suchasUCC24612,toachievehigherconversionefficiencyandverycompactdesigns.
Alltrademarksarethepropertyoftheirrespectiveowners.
Alltrademarksarethepropertyoftheirrespectiveowners.
ControlMethod |
DutyCycle Max |
Frequency Max kHz |
UVLOThresholdsOnOff V |
Features |
OperatingTemperatureRange C |
PackageGroup |
Rating |
PackageSizemm2WxLPKG |
UCC28780 | LM5023 | UCC28600 | UCC28610 | UCC28704 | UCC28740 |
---|---|---|---|---|---|
Current | Current | Current | Current | Current | Current |
99 | 100 | 99 | 100 | 99 | 99 |
1000 | 130 | 130 | 130 | 85 | 100 |
17.510 | 12.87.5 | 10.39.3 | 10.28 | 217.7 | 217.75 |
ZeroVoltageSwitching ActiveClampFlyback | SSR HVStartupConfigurable QRTM GreenMode LightLoadEfficiency PowerDeliveryCompatible | SSR QRTM ErrorAmplifier GreenMode LightLoadEfficiency PowerDeliveryCompatible MotorDriveCompatible AudioCompatible | DCM SSR HVStartup SoftSwitching PowerDeliveryCompatible AudioCompatible MotorDriveCompatible | PSR HVStartupConfigurable FixedCBC NTCConfigurable CVCCControl DCM USBTypeCCompatible IoTCompatible PowerDeliveryCompatible | SSR HVStartup CVCCControl DCM SmartMetersCompatible IoTCompatible USBTypeCCompatible PowerDeliveryCompatible |
40to125 | 40to125 | 40to105 | 40to125 | 40to125 | 40to125 |
SOIC WQFN | VSSOP | SOIC | PDIP SOIC | SOT23 | SOIC |
Catalog | Catalog | Catalog | Catalog | Catalog | Catalog |
16SOIC59mm26x9.9SOIC 16WQFN9mm23x3WQFN | 8VSSOP: ១៥ mm2: ៤.៩ x ៣ (VSSOP) | 8SOIC: ២៩ ម។ ម។ មៈ ៦ x ៤.៩ (សូអាយ) | មើលសំណុំទិន្នន័យ (PDIP) 8SOIC: ២៩ ម។ ម។ មៈ ៦ x ៤.៩ (សូអាយ) | 6SOT-23: 8 mm2: 2.8 x 2.9 (SOT-23) | 7SOIC: 29 mm2: 6 x 4.9 (SOIC) |