DataSheeT enpirion power solutions EN6340QI 4A PowerSoC Step-Down DC-DC Switching Converter with Integrated Inductor DESCRIPTION FEATURES The EN6340QI is an Intel Enpirion Power System on High Efficiency (Up to 95%) a Chip (PowerSoC) DC-DC converter. It integrates the Excellent Ripple and EMI Performance inductor, MOSFET switches, small-signal circuits and Up to 4A Continuous Operating Current compensation in an advanced 4mm x 6mm x 2.5mm 34-pin QFN package. 2.7V to 6.6V Input Voltage Range 0.5% V Initial Accuracy FB The EN6340QI is specifically designed to meet the 1.5% V Accuracy (Line, Load, Temp) OUT precise voltage and fast transient requirements of present and future high-performance, low-power 2MHz Switching Frequency processor, DSP, FPGA, memory boards and system 2 60mm Optimized Total Solution Size level applications in distributed power architectures. Programmable Soft-Start The devices advanced circuit techniques, high Power OK Indicator switching frequency, and proprietary integrated inductor technology deliver high-quality, ultra Thermal, Over-Current, Short Circuit, Under- compact, non-isolated DC-DC conversion. Voltage and Pre-Bias Protections Pin Compatible with EN6363QI (6A) Intel Enpirion Power Solutions significantly help in RoHS Compliant, MSL Level 3, 260C Reflow system design and productivity by offering greatly simplified board design, layout and manufacturing APPLICATIONS requirements. In addition, a reduction in the number Point of Load Regulation for FPGAs, Distributed of components required for the complete power Power Architectures, Low-Power ASICs, Multi- solution helps to enable an overall system cost Core, Communication Processors and DSPs saving. Space Constrained Applications Needing High All Enpirion products are RoHS compliant and lead- Power Density free manufacturing environment compatible. 5V/3.3V Bus Architectures Needing High Efficiency Efficiency vs. Output Current V V OUT IN 100 PVIN VOUT 95 2x 10 EN6340QI 90 R A C 47F A 85 2x 0805 AVIN PGND 80 22F VOUT = 3.3V R C 75 0805 ENABLE VOUT = 2.5V 70 POK VOUT = 1.8V VFB 65 VOUT = 1.5V PGND 60 CONDITIONS VOUT = 1.2V V = 5.0V SS IN 55 VOUT = 1.0V R B 15nF AGND 50 0 0.5 1 1.5 2 2.5 3 3.5 4 OUTPUT CUR RENT (A) Figure 1: Simplified Applications Circuit Figure 2: Efficiency at V = 5V IN Page 1 EFFICIENCY (%)VFB PVIN SS PVIN KEEP-OUT AVIN PVIN 35 AGND PGND PGND POK PGND KEEP-OUT AGND NC(SW) NC(SW) VOUT NC(SW) VOUT NC(SW) VOUT NC(SW) VOUT NC(SW) VOUT Datasheet Intel Enpirion Power Solutions: EN6340QI ORDERING INFORMATION Part Number Package Markings T Rating Package Description A EN6340QI EN6340QI -40C to +85C 34-pin (4mm x 6mm x 2.5mm) QFN EVB-EN6340QI EN6340QI QFN Evaluation Board Packing and Marking Information: