Enpirion Power Datasheet EN5366QI 6A PowerSoC Voltage Mode Synchronous Buck PWM DC-DC Converter with Integrated Inductor External Output Voltage Programming Description Features This Altera Enpirion solution is a Power System Integrated INDUCTOR, MOSFETS, Controller rd on a chip (PowerSoC). It is specifically designed Footprint 1/3 that of competing solutions. to meet the precise voltage and fast transient Low Part Count: only 3 MLCC Capacitors. requirements of present and future high- Up to 20W continuous output power. performance, low-power processor, DSP, FPGA, Low output impedance optimized for 90 nm ASIC, memory boards and system level Master/slave configuration for paralleling. applications in a distributed power architecture. 5MHz operating frequency. Advanced circuit techniques, ultra high switching High efficiency, up to 93%. frequency, and very advanced, high-density, Wide input voltage range of 2.375V to 5.5V. integrated circuit and proprietary inductor External resistor divider output voltage select. technology deliver high-quality, ultra compact, Output enable pin and Power OK signal. non-isolated DC-DC conversion. Operating this Programmable soft-start time. converter requires as few as three external Optimized for low noise/EMI design. components that include small value input and Under-Voltage Lockout, Thermal Shutdown, output ceramic capacitors and a soft-start Output Overvoltage, Over Current, and Short capacitor. Circuit Protection RoHS compliant, MSL level 3, 260C reflow. The Altera Enpirion integrated inductor solution significantly helps in low noise system design and productivity by offering greatly simplified Applications board design, layout and manufacturing requirements. Point of load regulation for low-power All Altera Enpirion products are RoHS compliant processors, network processors, DSPs, and lead-free manufacturing environment FPGAs, and ASICs compatible. 90 nm advanced process loads Notebook computers, servers, workstations Typical Application Circuit Broadband, networking, LAN/WAN, optical Low voltage, distributed power architectures V PVIN with 2.5V, 3.3V or 5V rails IN VOUT 1 V OUT DSL, STB, DVR, DTV, Industrial PC 47F AVIN 47F ENABLE Ripple sensitive applications XOV PGND XFB SS Ordering Information 15nF AGND PGND Temp Rating Part Number (C) Package Figure 1. Simple Schematic -40 to +85 58-pin QFN T&R EN5366QI EVB-EN5366QI QFN Evaluation Board *Optimized PCB Layout file downloadable from www.altera.com/enpirion to assure first pass design success. 03817 October 11, 2013 Rev E EN5366QI Pin Configuration Below is a top view diagram of the EN5366Q package. NOTE: NC pins are not to be electrically connected to each other or to any external signal, ground, or voltage. However, they must be soldered to the PCB. Failure to follow this guideline may result in part malfunction or damage. Figure 2. Pin Diagram, top view. 2 www.altera.com/enpirion 03817 October 11, 2013 Rev E