DESCRIPTION

The SC1538 is a dual power supply controller designed to simplify power management on motherboards. It is part of Semtech’s Smart LDO™ family of products. The SC1538CS15/18 can provide a 1.818V power supply for the I/O plane and a 1.515V power supply for the GTL+ and AGP planes. The SC1538CS25/25 can provide two 2.525V supplies for clock and memory.

FEATURES

• Dual power supplies

• 1.515V Supply for GTL+ and AGP planes/1.818V Supply for chipset I/O and memory termination

• Dual 2.525V supplies for clock and memory

• Individual Enable control of each supply

• Over current protection

APPLICATIONS

• Motherboards

• Simple dual power supplies