Elantec's EL7560/EL7561/EL7556 series of voltage regulators are highly integrated, simple to use and the most effective switching mode designs to power microprocessors such as Intel Corporation's Pentium® Pro, and Pentium. The EL7560/EL7561 is designed for classes of processors such as the Pentium Pro. EL7556 is designed primarily for Pentium class desktop models.