ISL9440IRZ-T , Linear And Switching Voltage Regulator IC 4 Output Step-Down (Buck) Synchronous (3), Linear (LDO) (1) 300kHz 32-VFQFN Exposed Pad. we specialize in Intersil ISL9440IRZ-T electronic components. ISL9440IRZ-T can be shipped within 24 hours after order.