DataSheeT enpirion power solutions ER6230QI 3A Buck Regulator Step-Down DC-DC Switching Converter with Integrated MOSFET DESCRIPTION FEATURES The ER6230QI is an Intel Enpirion DC-DC step- High Efficiency (Up to 95%) down buck converter. It integrates MOSFET switches, Up to 3A Continuous Operating Current small-signal circuits and compensation in an 2.7V to 6.6V Input Voltage Range advanced 4mm x 4mm x 0.85mm 24-pin QFN package. Programmable Light Load Mode (LLM) 2 Total Solution Size (85mm ) The ER6230QI is specifically designed to meet the 1% V Initial Accuracy FB precise voltage and fast transient requirements of present and future high-performance, low-power 2% V Accuracy (Line, Load, Temp) OUT processor, DSP, FPGA, memory boards and system 1.9MHz Switching Frequency level applications in distributed power architectures. Frequency Synchronization with External Clock The devices advanced circuit techniques and high Programmable Soft-Start switching frequency deliver high-quality, ultra compact, non-isolated DC-DC conversion. Power OK Indicator Thermal, Over-Current, Short Circuit, Under- Intel Enpirion Power Solutions significantly help in Voltage system design and productivity by offering greatly RoHS Compliant, MSL Level 3, 260C Reflow simplified board design, layout and manufacturing requirements. In addition, a reduction in the number APPLICATIONS of components required for the complete power Point of Load Regulation for FPGAs, Distributed solution helps to enable an overall system cost Power Architectures, Low-Power ASICs, Multi- saving. Core, Communication Processors and DSPs All Enpirion products are RoHS compliant and lead- Applications Needing High Power Density free manufacturing environment compatible. 5V/3.3V Bus Architectures Needing High Efficiency 47nF Efficiency vs. I (V = 2.5V) OUT OUT 100 PGTE BTMP V IN 90 PVIN V OUT 470nH SW 80 10 LLM 2x 70 2x ER6230QI 47F R AVIN A CA PWM 22F 1F 0805 60 PGND 0805 50 VFB ENABLE 40 CONDITIONS POK R B 30 V = 3.3V IN PGND 20 VOUT = 2.5V LLM SS AGND 15nF 10 VOUT = 2.5V PWM VDDB BGND 0 0.01 0.1 1 10 47nF OUTPUT CURRENT (A) Figure 1: Simplified Applications Circuit Figure 2: Efficiency at V = 3.3V IN Page 1 EFFICIENCY (%)Datasheet Intel Enpirion Power Solutions: ER6230QI ORDERING INFORMATION Part Number Package Markings T Rating Package Description J ER6230QI ER6230QI -40C to +125C 24-pin (4mm x 4mm x 0.85mm) QFN EVB-ER6230QI ER6230QI QFN Evaluation Board Packing and Marking Information: