L298N中文资料(4)

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

4/13

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