Products
Power Management
Semtech SC2516
Complete Three-in-One DDR Power Solution With BF_CUT
The SC2516 is a fully integrated, Three-in-One DDR Controller supplying power to the VDDQ, VTT and GMCH rails. Two synchronous buck controller provide the VDDQ and GMCH at high efficiency, while an internal linear regulator supplies the termination voltage with 1.8A(min) Source/Sink capability.
Overview
Features
- 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
Applications
- Power solution for DDR memory per Intel® motherboard specification
- High-speed data line termination
Packaging
MLP-22
Order Codes
- SC2516MLTR: Package Minimum Tape & Reel Only
- SC2516MLTRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
Diagrams and Specs
Block Diagram
Click diagram to enlarge