供應(yīng)恒流LED驅(qū)動 QX7135 THEQX7135isaconstantcurrentregulatorfordrivingLEDswithlowquiescentcurrentandlowdropoutvoltage.Thecurrentrangesfrom100mAto400mAwith10mAstep.NoexternalcomponentisrequiredtoachieveaconstantcurrentLEDdriver.Softstart,thermalprotectionandlowvoltageprotectionarealsoprovided.Features Sinkcurrent:100mAto400mAwith10mAstep. Powersupplyvoltage:2.7-6V Lowdropoutvoltage:150mV/350mA Lowquiescentcurrent:250uA Thermalprotection Softstart Lowvoltageprotection:2.5V SOT-89-3andTO-252-2packagesApplications PowerLeddriver