uP1715R

uP1715R 2A, 23V, 340K High-Efficiency Synchronous-Rectified Buck Converter General Description Features The uP1715R is a high-efficiency synchronous-rectified † 4.5V to 23V Input Voltage Range buck converter with internal power switch. With internal † Adjustable Output from 0.8V to 20V low RDS(ON) switches, the high-efficiency buck converter is capable of delivering 2A output current over a wide input † 2A Output Current voltage range from 4.5V to 23V. The output voltage is † Accurate Reference: 0.8V ( + 1.5%) adjustable from 0.8V to 20V by a voltage divider. Other † Up to 93% Conversion Efficiency features for the buck converter include adjust soft-start, chip enable, over-voltage, under-voltage, over- † Integrated Low RDS(ON) Upper and Lower MOSFET temperature and over-current protections. It is available Switches: 130mΩ in a space saving SOP-8L package. † Current Mode PWM Operation Applications † † Constant 340kHz Fixed-Frequency Operation Programmable Soft-Start † Battery-Powered Portable Devices † Integrated Boot Diode „ MP3 Players † Over Voltage and Under Voltage Protection „ Digital Still Cameras † Over Temperature and Over Current Protection „ Wireless and DSL Modems † SOP-8L Package „ Personal Information Appliances † RoHS Compliant and Halogen Free † 802.11 WLAN Power Supplies † FPGA/ASIC Power Supplies Pin Configuration † Laptop, Palmtops, Notebook Computers † Portable Information Appliances Ordering Information BOOT VIN LX 1 2...