Compensation de phase de la gestion IC de la puissance SOIC-8 UCC28019 UCC28019ADR
Gestion IC de la puissance SOIC-8
,Gestion IC UCC28019 de puissance
,UCC28019ADR
Compensation de phase de la gestion IC de la puissance SOIC-8 UCC28019 UCC28019ADR
Caractéristiques :
1. la solution 8-Pin réduit les composants externes
2. InputVoltage large-RangeUniversalAC
3. Fixed65-kHzOperatingFrequency
4.MaximumDutyCycleof 98% (type.)
5.OutputOver/UndervoltageProtection
6.InputBrown-OutProtection
7. Cycle-par-CyclePeakCurrentLimiting
8. OpenLoopDetection•
9. Low-PowerUser-ControlledStandbyMode2
Applications :
1. CCMBoostPowerFactorCorrectionPowerConvertersin gamme du kilowatt W à >2 de 100
2. DigitalTV• HomeElectronics
3. WhiteGoodsand IndustrialElectronics
4.Serverand DesktopPowerSupplies
Description :
boosttopologyoperatingin ContinuousConductionMode du controllerusesthe 1.TheUCC28019A8-pinactivePowerFactorCorrection (PFC) (CCM).
2. Le systemsin de suitablefor de controlleris le lineinput large-rangeuniversalac de rangeovera de 100 kilowatts de W to>2.
3. début upcurrentduringundervoltagelockoutislessthan200μA.
4. pullingthe powerstandbymodeby VSENSEpin below0.77V de controllow de Theusercan.
5. bas-distortionwaveshapingof les inputcurrentusingaveragecurrentmodecontrolis achievedwithoutinputlinesensing, externalcomponentcount de reducingthe.
6. Simpleexternalnetworksallowforflexiblecompensationof les currentandvoltagecontrolloops.
7. trimmedto d'internallyfixedand de Theswitchingfrequencyis meilleur que ±5% accuracyat25°C. Fast1.5-Apeakgatecurrentdrivestheexternalswitch.
8. Numeroussystem-levelprotectionfeaturesincludepeakcurrentlimit, softover-actuel, ouvert-loopdetection, inputbrown-out, andoutputover/sousvoltage.
9. trimmedinternalreferenceprovidesaccurateprotectionthresholdsand de Soft-startlimitsboostcurrentduringstart-up.A un regulationset point.
10. Un gatedrivevoltageto 12.5V d'internalclamplimitsthe.