Soic-8 energiebeheerics de Correctie UCC28019 UCC28019ADR van de Machtsfactor
Soic-8 energiebeheer ICs
,Energiebeheer ICs UCC28019
,UCC28019ADR
Soic-8 energiebeheerics de Correctie UCC28019 UCC28019ADR van de Machtsfactor
Eigenschappen:
1. 8-speld vermindert de Oplossing Externe Componenten
2. Breed-RangeUniversalAC InputVoltage
3. Fixed65-kHzOperatingFrequency
4.MaximumDutyCycleof 98% (type.)
5.OutputOver/UndervoltageProtection
6.InputBrown-OutProtection
7. Cyclus-door-CyclePeakCurrentLimiting
8. OpenLoopDetection•
9. Laag-PowerUser-ControlledStandbyMode2
Toepassingen:
1. CCMBoostPowerFactorCorrectionPowerConvertersin 100 W aan de Waaier van >2 kW
2. DigitalTV• HomeElectronics
3. WhiteGoodsand IndustrialElectronics
4.Serverand DesktopPowerSupplies
Beschrijving:
1.TheUCC28019A8-pinactivePowerFactorCorrection (PFC) controllerusesthe boosttopologyoperatingin ContinuousConductionMode (CCM).
2. Systemsin van controllerissuitablefor 100 rangeovera van W to>2 kW breed-rangeuniversalac-wijd lineinput.
3. Begin upcurrentduringundervoltagelockoutislessthan200μA.
4. Theusercan controllow powerstandbymodeby pullingthe VSENSEpin below0.77V.
5. Laag-distortionwaveshapingof-laagste punt inputcurrentusingaveragecurrentmodecontrolis die, reducingthe externalcomponentcount achievedwithoutinputlinesensing.
6. Simpleexternalnetworksallowforflexiblecompensationof currentandvoltagecontrolloops.
7. Theswitchingfrequencyis internallyfixedand trimmedto dan beter ±5% accuracyat25°C. fast1.5-Apeakgatecurrentdrivestheexternalswitch.
8. Numeroussystem -numeroussystem-levelprotectionfeaturesincludepeakcurrentlimit, softover-stroom, open-loopdetection, inputbrown-uit, andoutputover/undervoltage.
9. Zacht-startlimitsboostcurrentduringstart-Up.A trimmedinternalreferenceprovidesaccurateprotectionthresholdsand een regulationset-punt.
10. Een internalclamplimitsthegatedrivevoltageto 12.5V.