L298 Selling Leads, Price trend, L298 DataSheet download, circuit diagram from SeekIC.com

Features: .OPERATINGSUPPLYVOLTAGEUPTO46V.TOTALDCCURRENTUPTO4A.LOWSATURATIONVOLTAGE.OVERTEMPERATUREPROTECTION.LOGICAL!0!INPUTVOLTAGEUPTO1. HIGHNOISEIMMUNITY)ApplicationFig6showsabidirectionalDCmotorcontrolSche- aticDiagramforwhichonlyonebridgeisneeded. heexternalbridgeofdiodesD1toD4ismadeby ourfast...

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L298: Features: .OPERATINGSUPPLYVOLTAGEUPTO46V.TOTALDCCURRENTUPTO4A.LOWSATURATIONVOLTAGE.OVERTEMPERATUREPROTECTION.LOGICAL!0!INPUTVOLTAGEUPTO1. HIGHNOISEIMMUNITY)ApplicationFig6showsabidirectionalDCmotorc...

L298 Data Sheet

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Part Number:: L298
Supply Ability:: 5000

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L298HN evaluate
US $1.98 - 2.91 / Piece

Motor / Motion / Ignition Controllers & Drivers Dual Full Bridge
L298N evaluate
US $1.72 - 2.67 / Piece

Motor / Motion / Ignition Controllers & Drivers Dual Full Bridge
L298P evaluate
US $2.68 - 3.92 / Piece

Motor / Motion / Ignition Controllers & Drivers Dual Full Bridge

Product Details

Description

Features:

.OPERATINGSUPPLYVOLTAGEUPTO46V
.TOTALDCCURRENTUPTO4A
.LOWSATURATIONVOLTAGE
.OVERTEMPERATUREPROTECTION
.LOGICAL!0!INPUTVOLTAGEUPTO1. HIGHNOISEIMMUNITY)

Application

Fig6showsabidirectionalDCmotorcontrolSche- aticDiagramforwhichonlyonebridgeisneeded. heexternalbridgeofdiodesD1toD4ismadeby ourfastrecoveryelements(trr 200nsec)that ustbechosenofaVFaslowaspossibleatthe orstcaseoftheloadcurrent.

Thesenseoutputvoltagecanbeusedtocontrolthe urrentamplitudebychoppingtheinputs,ortopro- ideovercurrentprotectionbyswitchinglowtheen- bleinput.

Thebrakefunction(Fastmotorstop)requiresthat heAbsoluteMaximumRatingof2Ampsmust everbeovercome.

Whentherepetitivepeakcurrentneededfromthe oadishigherthan2Amps,aparalleledconfigura- ioncanbechosen(SeeFig.7).

Anexternalbridgeofdiodesarerequiredwhenin- uctiveloadsaredrivenandwhentheinputsofthe Carechopped;Shottkydiodeswouldbepreferred.

Pinout

Connection Diagram

Specifications

Symbol	Parameter	Value	Unit
V_S	PowerSupply	50	V
V_SS	LogicSupplyVoltage	7	V
V_I,V_en	InputandEnableVoltage	-0.3to7	V
I_O	PeakOutputCurrent(eachChannel) CNonRepetitive(t=10s) CRepetitive(80%on-C20%off=10ms) CDCOperatioon	3 2.5 2	A A A
V_sens	SensingVoltage	-1to2.3	V
P_tot	TotalPowerDissipation(Tcase =75C)	25	W
T_op	JunctionOperatingTemperature	-25to130
T_stg,T_j	StorageandJunctionTemperature	-40to150

Description

TheL298isanintegratedmonolithiccircuitina15- eadMultiwattandPowerSO20packages.L298 is a ighvoltage,highcurrentdualfull-bridgedriverde- igne toaccept standard TTLlogiclevelsanddrive nductiveloadssuchasrelays,solenoids,DCand teppingmotors.Two enableinputsareprovidedto nableordisablethedeviceindependentlyofthein- utsignals.The emittersofthelowertransistorsof achbridgeareconnectedtogetherandthecorre- pondingexternalterminalcanbeusedforthecon-nectionofanexternalsensingresistor.Anadditional upplyinputisprovidedsothatthelogicworksata owervoltage.

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L298

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