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RT8079 Datasheet(PDF) 1 Page - Richtek Technology Corporation |
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RT8079 Datasheet(HTML) 1 Page - Richtek Technology Corporation |
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1 / 13 page  RT8079 ® DS8079-01 February 2013 www.richtek.com 1 Copyright 2013 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. © General Description The RT8079 is a high efficiency step-down converter and capable of delivering 3A output current over a wide input voltage range from 2.95V to 6V. The RT8079 provides accurate regulation for a variety of loads with ±3% accuracy. For reducing inductor size, it provides up to 2MHz switching frequency. The efficiency is maximized through the integrated 45m Ω MOSFETs and 550 μA typical supply current. Under voltage lockout voltage of the RT8079 is 2.7V, and it also provides external setting by a resistor network on the enable pin. The RT8079 provides protections such as inductor current limit under voltage lockout and thermal shutdown. The over temperature threshold is 145 °C. The RT8079 is available in WQFN-16L 3x3 package. 2.95V to 6V Input, 3A Output, 2MHz, Synchronous Step-Down Converter Features Integrated 45m Ω Ω Ω Ω Ω MOSFETs Input Range : 2.95V to 6V Adjustable PWM Frequency : 300kHz to 2MHz Output Current : 3A 95% Efficiency Adjustable Soft-Start Power Good Indicator Enable Control Under Voltage Lockout Current Limit Thermal Shutdown 16-Lead WQFN Package RoHS Compliant and Halogen Free Applications Low-Voltage, High-Density Power Systems Distributed Power Systems Point-of-Load Conversions Simplified Application Circuit Ordering Information Note : Richtek products are : RoHS compliant and compatible with the current require- ments of IPC/JEDEC J-STD-020. Suitable for use in SnPb or Pb-free soldering processes. RT8079 Package Type QW : WQFN-16L 3x3 (W-Type) Lead Plating System G : Green (Halogen Free and Pb Free) 62=YM DNN Marking Information 62= : Product Code YMDNN : Date Code VIN SW RT8079 EN FB VIN VOUT GND PGOOD BOOT SS/TR RT/SYNC COMP AGND |
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