FS266风扇霍尔驱动芯片.pdf

《FS266风扇霍尔驱动芯片.pdf》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、FS266Technology2PhaseHighVoltageDCMotorDriverICHalogenGeneralDescriptionFreeTheFS266,a1-chipcomposedofhallsensorandoutputcoildrivers,appliedtoa2-phaseDCmotor.ThehighsensitivityofHalleffectsensorissuitableformotorsfrommini-typeCPUcoolerstoblowersandDC

2、fans.Typicaloperationcurrentis0.40Aandoperatingvoltagerangeisfrom3.5V~28V.Usingfewexternalcomponents,FS266,ahighperformanceintegratedIC,isdesignedfora2-phaseDCmotorcircuit.Thecircuitdiagramofthetypicalapplicationexampleisasbelow.Features˙1chiphallsen

3、sor/drivers˙Wideoperatingvoltagerange:3.5V~28V˙Outputsinkcurrentupto0.40A˙Package:TO-92SP-4TO-92SP-4TypicalApplicationCircuit24VFTCS266Rev1.1Sep.23,2009P1/FS266FS266Technology2PhaseHighVoltageDCMotorDriverICFunctionalBlockDiagram1Regulator2HallSensor

4、Pre-driverAMP34MARKVIEWPINDESCRIPTIONNAMENO.STATUSDESCRIPTIONFTCVCC1PICPowerSupplyS266CoildriveroutputNO2OItislowstateduringtheNmagneticfield.CoildriveroutputSO3OItislowstateduringtheSmagneticfield.1234GND4PICGroundRev1.1Sep.23,2009P2/FS266FS266Techn

5、ology2PhaseHighVoltageDCMotorDriverICAbsoluteMaximunRatings(atTa=25℃)ZenerBreakdownVoltage(Vz)-----------------------------------------------------------up60VNO/SOPinVoltage(off)-------------------------------------------------------------------28VVC

6、CPinVoltage------------------------------------------------------------------------------28VPeakSinkCurrent(Io)PeakCurrent------------------------------------------------------------------------800mA≦100usHoldCurrent----------------------------------

7、----------------------------------------600mAContinuousCurrent----------------------------------------------------------------400mAPowerDissipationTa=25℃------------------------------------------------------------------------------700mWTa=95℃--------

8、----------------------------------------------------------------------350mWThermalResistanceθJA=-----------------------------------------------------------------------------------0.195℃/mWOperatingTemperatureRange-------------------------------------