EN23F0QI 15A Voltage Mode Synchronous Buck PWM DC-DC Converter with Integrated Inductor Description Features The EN23F0QI is a Power System on a Chip Integrated Inductor, MOSFETs, Controller 2 (PowerSoC) DC-DC converter. It integrates MOSFET Total Solution Size Estimate 308mm switches, small-signal control circuits, compensation Wide Input Voltage Range: 4.5V 14V and an integrated inductor in an advanced 2% V Accuracy (Over Line/Load/Temperature) OUT 12x13x3mm QFN module. It offers high efficiency, excellent line and load regulation. The EN23F0QI Master/Slave Configuration for Parallel Operation operates over a wide input voltage range and is o Up to 4 Devices with 48A capability specifically designed to meet the precise voltage and Frequency Synchronization (External Clock) fast transient requirements of high-performance Output Enable Pin and Power OK Signal products. The EN23F0QI features frequency Programmable Soft-Start Time synchronization to an external clock, power OK output voltage monitor, programmable soft-start along Under Voltage Lockout Protection (UVLO) with thermal and over current protection. The devices Programmable Over Current Protection advanced circuit design, ultra high switching Thermal Shutdown and Short Circuit Protection frequency and proprietary integrated inductor o RoHS compliant, MSL level 3, 260 C reflow technology delivers high-quality, ultra compact, non- isolated DC-DC conversion. Applications The Enpirion solution significantly helps in system Space Constrained Applications design and productivity by offering greatly simplified Distributed Power Architectures board design, layout and manufacturing requirements. In addition, overall system level Output Voltage Ripple Sensitive Applications reliability is improved given the small number of Beat Frequency Sensitive Applications components required with the Enpirion solution. Servers, Embedded Computing Systems, All Enpirion products are RoHS compliant and lead- LAN/SAN Adapter Cards, RAID Storage Systems, free manufacturing environment compatible. Industrial Automation, Test and Measurement, and Telecommunications Efficiency vs. Output Current 100 90 80 70 60 50 40 VOUT = 3.3V CONDITIONS 30 V = 12.0V IN VOUT = 1.8V 20 AVIN = 3.3V VOUT = 1.2V 10 Dual Supply 0 0123 45678 9 101112131415 OUTPUT CURRENT (A) Figure 1. Simplified Applications Circuit Figure 2. Highest Efficiency in Smallest Solution Size (Footprint Optimized) www.enpirion.com EFFICIENCY (%) EN23F0QI Ordering Information Part Number Package Markings Temp Rating (C) Package Description EN23F0QI EN23F0QI -40 to +85 92-pin (12mm x 13mm x 3mm) QFN T&R EN23F0QI-E EN23F0QI QFN Evaluation Board Packing and Marking Information: