UC3843DTRIC REG CTRLR PWM CM 14SOIC|TEXAS INSTRUMENTS|Lead free|RoHS Compliant UC3843ADR2G UC3843AD UC3843BDR2G UC3843DTRG4IC REG CTRLR PWM CM 14SOIC|TEXAS INSTRUMENTS|Lead free|RoHS Compliant UC3843ADR2G UC3843AD UC3843BDR2G