XR76115EVB Datasheet PDF - Exar Corporation

General Description
The XR76115 is a synchronous step-down regulator combining the controller, drivers, bootstrap diode and MOSFETs in a single package for point-of-load supplies. The XR76115 has a load current rating of 15A. A wide 5V to 22V input voltage range allows for single supply operation from industry standard 5V, 12V and 19.6V rails.

FEATURES
• 15A Capable Step Down Regulator
    − 4.5V to 5.5V Low VIN Operation
    − 5V to 22V Wide Single Input Voltage
    − ≥0.6V Adjustable Output Voltage
• Controller, drivers, bootstrap diode and MOSFETs integrated in one package
• Proprietary Constant On-Time Control
    − No Loop Compensation Required
    − Ceramic Output Cap. Stable operation
    − Programmable 200ns-2µs On-Time
    − Quasi Constant 200kHz-800kHz Freq.
    − Selectable CCM or CCM/DCM Operation
• Precision Enable and Power-Good Flag
• Programmable Soft-start
• 6x6mm 37-pin QFN Package

APPLICATIONS
• Distributed Power Architecture
• Point-of-Load Converters
• Power Supply Modules
• FPGA, DSP, and Processor Supplies
• Base Stations, Switches/Routers, and Servers