LM5001MAX , Boost, Flyback, Forward Converter, SEPIC Switching Regulator IC Positive, Isolation Capable Adjustable 3.1V 1 Output 800mA (Switch) 8-SOIC (0.154", 3.90mm Width). we specialize in Hotenda LM5001MAX electronic components. LM5001MAX can be shipped within 24 hours after order.