Buck Current/Voltage Fed Push-Pull PWM …
RDQS20DELAY23GND11VCCREF15RT17CT18SYNC19 CSA 9CSA+8SS4CSAO7CEA 13VEA 16VEA+142224321RAMPCEA+12CEAOVEAO10PULLP GNDPUSHSRCBUCKV+DELAYDELAYTQQREF&UVLOSSI NHBTUVOSC500 kHzMAX6521Current SenseAmplifierILIM Comparator+3 VCurrent ErrorAmplifierPWM VFlyingDriverPush/PullDriversOSCUVLOVolt age ErrorAmplifier+UC2827-1,UC2827-2UC3827-1 , APRIL1999 REVISEDAPRIL2011BUCKCURRENT/VOLTAGEFEDPU SH-PULLPWMCONTROLLERSCheckforSamples:UC2 827-1,UC2827-2, UC3827-1,UC3827-21FEATURESDESCRIPTION IdealforMultipleOutputand/orHighTheUC382 7familyofcontrollerdevicesprovidesanVolt ageOutputVoltageConvertersintegratedcont rolsolutionforcascadedbuckand HighVoltage,HighCurrentFloatingcurrentfe dorvoltagefedpush- UC3827-1CurrentFedControllerhasvoltagefe dmodes,thepush-pullswitchesaredrivenPush -PullDriverswithOverlappingat50% UC3827-2VoltageFedControllerhasfedmode, ,thetwoswitchesaredrivenwitha specified AverageCurrentMode,PeakCurrentgaptimebet weentheswitchestopreventshortingModeorVo ltageModewithInputthetransformeracrossth eenergystoragecapacitorVoltageFeedforwar dControlforBuckandtoprohibitexcessivecur rentsflowingthroughthePowerStagedevices.
rd s q 20 delay 23 gnd 11 vcc ref 15 rt 17 ct 18 sync 19 csa-9csa+ 8 ss 4 csao 7 cea-13vea-16vea+ 14 22 24 3 2 1 cea+ ramp 12 veao ceao 10 pull pgnd push src buck v+ delay delay t q q ref & uvlo ss inhbt uv osc 500 khz max 6 5
Download Buck Current/Voltage Fed Push-Pull PWM …
Information
Domain:
Source:
Link to this page:
Please notify us if you found a problem with this document: