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Download 产品名称 Product Name AUR9709 产品简述 Description 1.4MHz, 2A
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产品名称 Product Name AUR9709 产品简述 Description 1.4MHz, 2A, Step-Down DC-DC Converter 产品规格 Features High efficiency Buck Power Converter Low Quiescent Current 2A Output Current Low RDS(ON) Internal Switches : 110mΩ Adjustable Output Voltage from 0.8 V to Vin Wide Operating Voltage Ranges : 2.5 V to 5.5 V Built-in Power Switches for Synchronous Rectification with high Efficiency 800mV Feedback Voltage Allows output Programmable Frequency : 300kHz to 1.4MHz Thermal Shutdown protection Low Drop-out Operation at 100% Duty-Cycle No Schottky Diode Required 产品规格描述 General Description AUR9709 is a high efficiency step-down DC-DC voltage converter designed ideally for portable applications with battery voltage supplies. The chip operation is optimized by peak-current mode architecture with built-in synchronous power MOS switchers. It is automatically switching between the normal PWM mode and LDO mode to offer improved system power efficiency covering a wide range of loading conditions. Switching frequency is set by an external resistor and integrated soft-start (SS), under-voltage-lock-out (UVLO), thermal shutdown detection (TSD) and short circuit protection are designed to provide reliable product applications. The device is available in adjustable output voltage versions ranging from 0.8V to Vin when input voltage range is from 2.5V to 5.5V , and is able to deliver up to 2A. 产品封装 Package SOP-8 (Exposed Pad) 产品应用范围 Applications LCD TV Post DC-DC Voltage Regulation PDA and Notebook Computers 产品订购信息 Order Infomation Please contact us for further information