L298N中文资料(4)
发布时间:2021-06-07
发布时间:2021-06-07
L298
ELECTRICALCHARACTERISTICS(continued)
SymbolT1(Vi)T2(Vi)T3(Vi)T4(Vi)T5(Vi)T6(Vi)T7(Vi)T8(Vi)fc(Vi)T1(Ven)T2(Ven)T3(Ven)T4(Ven)T5(Ven)T6(Ven)T7(Ven)T8(Ven)
Parameter
SourceCurrentTurn-offDelaySourceCurrentFallTimeSourceCurrentTurn-onDelaySourceCurrentRiseTimeSinkCurrentTurn-offDelaySinkCurrentFallTimeSinkCurrentTurn-onDelaySinkCurrentRiseTimeCommutationFrequencySourceCurrentTurn-offDelaySourceCurrentFallTimeSourceCurrentTurn-onDelaySourceCurrentRiseTimeSinkCurrentTurn-offDelaySinkCurrentFallTimeSinkCurrentTurn-onDelaySinkCurrentRiseTime
TestConditions
0.5Vito0.9IL0.9ILto0.1IL0.5Vito0.1IL0.1ILto0.9IL0.5Vito0.9IL0.9ILto0.1IL0.5Vito0.9IL0.1ILto0.9ILIL=2A0.5Vento0.9IL0.9ILto0.1IL0.5Vento0.1IL0.1ILto0.9IL0.5Vento0.9IL0.9ILto0.1IL0.5Vento0.9IL0.1ILto0.9IL
(2);(4)(2);(4)(2);(4)(2);(4)(3);(4)(3);(4)(3);(4)(3);(4)(2);(4)(2);(4)(2);(4)(2);(4)(3);(4)(3);(4)(3);(4)(3);(4)
Min.
Typ.1.50.220.70.70.251.60.225310.30.42.20.350.250.1
40Max.
UnitµsµsµsµsµsµsµsµsKHzµsµsµsµsµsµsµsµs
1)1)Sensingvoltagecanbe–1Vfort≤50µsec;insteadystateVsensmin≥–0.5V.2)Seefig.2.3)Seefig.4.
4)Theloadmustbeapureresistor.
Figure1:TypicalSaturationVoltagevs.Output
Current.
Figure2:SwitchingTimesTestCircuits.
Note:ForINPUTSwitching,setEN=H
ForENABLESwitching,setIN=H
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