SC2516: Complete Three-in-One DDR Power Solution With BF_CUT

• Uses latched BF_Cut from Intel® glue chip to control regulators
• External VDDQ divider allows DDRI or DDRII compatibility
• High-efficiency VDDQ switcher
• External GMCH divider allows 1.5 V or 1.25 V programming
• High-efficiency GMCH switcher supplies programmed output from the 5 V or 3.3 V rail
• Single chip solution complies fully with ACPI power sequencing specifications
• 1.8 A (min) VTT source/sink capability
• High-current 1 Amp gate driver for VDDQ switcher
• Independent thermal shutdown for VTT
• Fast transient response
• Space-saving 22-pin MLP package with copper thermal pad for heat-sinking to PC Board

Typical Application Circuit

Click diagram to enlarge

• Power solution for DDR memory per Intel® motherboard specification
• High-speed data line termination

MLP-22

• SC2516MLTR: Package Minimum Tape & Reel Only
• SC2516MLTRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only