ISL6549CRZ , Linear And Switching Voltage Regulator IC 2 Output Step-Down (Buck) Synchronous (1), Linear (LDO) (1) 150kHz ~ 1MHz 16-VQFN Exposed Pad. we specialize in Intersil ISL6549CRZ electronic components. ISL6549CRZ can be shipped within 24 hours after order.