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RT8073 Datasheet(PDF) 1 Page - Richtek Technology Corporation |
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RT8073 Datasheet(HTML) 1 Page - Richtek Technology Corporation |
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1 / 16 page  RT8073 ® DS8073-01 November 2012 www.richtek.com 1 Copyright 2012 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. © 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. General Description The RT8073 is a high efficiency PWM step-down converter and capable of delivering 6A output current over a wide input voltage range from 2.9V to 5.5V. The RT8073 provides accurate regulation for a variety of loads with an ±1% reference voltage at room temperature. For reducing inductor size, it provides up to 2MHz switching frequency. The efficiency is maximized through the integrated 50m Ω for high side, 35mΩ for low side MOSFETs and 250 μA typical supply current. The RT8073 features over current protection, frequency fold back function in shorted circuit, hiccup mode under voltage protection and over temperature protection. The RT8073 is available in SOP-8 (Exposed Pad) and WDFN-12L 3x3 packages. 6A, 2MHz, High Efficiency Synchronous Step-Down Converter Features Integrated 50m Ω Ω Ω Ω Ω and 35mΩ Ω Ω Ω Ω MOSFETs 6A Output Current High Efficiency Up to 95% 2.9V to 5.5V Input Range Adjustable PWM Frequency : 300kHz to 2MHz 0.8V ±±±±±1% Reference Voltage Adjustable External Soft-Start Power Good Indicator (WDFN-12L 3x3 only) Over Current Protection Under Voltage Protection Over Temperature Protection SOP-8 (Exposed Pad) and 12-Lead WDFN Packages RoHS Compliant and Halogen Free Applications Low Voltage, High Density Power Systems Distributed Power Systems Point-of-Load Conversions RT8073 Package Type SP : SOP-8 (Exposed Pad-Option 2) QW : WDFN-12L 3x3 (W-Type) Lead Plating System G : Green (Halogen Free and Pb Free) Simplified Application Circuit VIN RT8073 LX BOOT COMP VOUT RT EN L CBOOT COUT RFB1 RFB2 CIN VIN FB GND RT RC CC Marking Information RT8073GSP RT8073GSP : Product Number YMDNN : Date Code RT8073GQW 5C= : Product Code YMDNN : Date Code RT8073 GSPYMDNN 5C=YM DNN |
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