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GRM31CR60J476ME19L Datasheet(PDF) 1 Page - Enpirion, Inc. |
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GRM31CR60J476ME19L Datasheet(HTML) 1 Page - Enpirion, Inc. |
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1 / 21 page  EN2390QI Preliminary Datasheet 9A Voltage Mode Synchronous Buck PWM DC-DC Converter with Integrated Inductor www.enpirion.com 2Description The EN2390QI is a Power System on a Chip (PowerSoC) DC-DC converter. It integrates MOSFET switches, small-signal control circuits, compensation and an integrated inductor in an advanced 11x10x3mm QFN module. It offers high efficiency, excellent line and load regulation over temperature. The EN2390QI operates over a wide input voltage range and is specifically designed to meet the precise voltage and fast transient requirements of high- performance products. The EN2390 features frequency synchronization to an external clock, power OK output voltage monitor, programmable soft-start along with thermal and over current protection. The device’s advanced circuit design, ultra high switching frequency and proprietary integrated inductor technology delivers high-quality, ultra compact, non- isolated DC-DC conversion. The Enpirion solution significantly helps in system design and productivity by offering greatly simplified board design, layout and manufacturing requirements. In addition, overall system level reliability is improved given the small number of components required with the Enpirion solution. All Enpirion products are RoHS compliant and lead- free manufacturing environment compatible. Features • Integrated Inductor, MOSFETS, Controller • Total Solution Size Estimate: 235mm 2 • Wide Input Voltage Range: 4.5V – 14V • 2% VOUT Accuracy (Over Line/Load/Temperature) • Frequency Synchronization (External Clock) • Output Enable Pin and Power OK Signal • Programmable Soft-Start Time • Under Voltage Lockout Protection (UVLO) • Programmable Over Current Protection • Thermal Shutdown and Short Circuit Protection • RoHS compliant, MSL level 3, 260 oC reflow Applications • Space Constrained Applications • Distributed Power Architectures • Output Voltage Ripple Sensitive Applications • Beat Frequency Sensitive Applications • Servers, Embedded Computing Systems, LAN/SAN Adapter Cards, RAID Storage Systems, Industrial Automation, Test and Measurement, and Telecommunications Figure 1. Simplified Applications Circuit (Footprint Optimized) Figure 2. Highest Efficiency in Smallest Solution Size 0 10 20 30 40 50 60 70 80 90 100 0 1 2 3 4 5 6 7 8 9 OUTPUT CURRENT (A) Sim Efficiency vs. Output Current VOUT = 3.3V VOUT = 1.8V VOUT = 1.2V CONDITIONS VIN = 12.0V AVIN = 3.3V Dual Supply |
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