TL3842BDRG4IC REG CTRLR BST FLYBK CM 14SOIC|TEXAS INSTRUMENTS|Lead free|RoHS Compliant UC3842BDR2G UC3842BVDR2G TL3842BDRG4-8IC REG CTRLR BST FLYBK PWM 8SOIC|TEXAS INSTRUMENTS|Lead free|RoHS Compliant UC2842BD1013TR UC2843BD1013TR SG2842DM SG2843DM SG3842DM UC2842ADM UC2842BD1R2G UC2843BD1R2G