
Exar Corporation
GENERAL DESCRIPTION
The XRP6142 is a synchronous step down switching controller for over 15 Amps point-ofloads converters and optimized to generate and support DDR I, II and III memory voltages requirements.
FEATURES
• Over 15A Point-of-Load Capable
− Down to 0.5V Output Voltage Conversion
− Up to 96% Efficiency
• Wide 1.0V-5.5V Input Voltage Range Conversions
− Single Input 3.3V and 5V rails Operations
• Constant On-Time Operations
− Constant Frequency Operations
− No External Compensation
• DDR I, II & III Termination Support
− VDDQ/VDD or VTT Voltages Generation
− Buffered VTT Ref. Voltage Generation
• Soft-Start and Enable Functions
• UVLO, Short Circuit and Over Current Protection
• RoHS Compliant “Green”/Halogen Free 3mm x 3mm 16-Pin QFN Package
APPLICATIONS
• High-Power Point-of-Loads Converters
• Audio-Video Equipments
• FPGA and DSP Power Supplies
• DDR Memory Based Embedded Systems