Sync. Rectifier Step Up Converter CXSU63233 is a compact, high-efficiency, synchronous step-up converter with power Mosfets embedded and with output turn off true shutdown function and adjustable outp

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The CXSU63233 is a compact, high-efficiency, synchronous step-up converter with power Mosfets embedded and with output turn off true shutdown function and adjustable output current limiting with foldback for a single-cell Li-ion/polymer battery. The CXSU63233 uses only 70μA (typ) quiescent current and allows the converter to switch only when needed at no load and light loads, and when load is higher than 100mA, it uses fixed-frequency PWM technique at 1MHz. It features a current mode control for fast transient response with internal compensation. The CXSU63233 includes cycle-by-cycle current limit to maximum inductor current and over-temperature protection circuit. The CXSU63233 is suitable for iPad-like computers, smart phones and portable handheld devices. The CXSU63233 is available in a SOP8 (FD) package. The operating temperature range is from -45°C to +85°C.

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„ Up to 90% Efficiency at Iout=2A VOUT = 5V from 3.3V Input alE嘉泰姆

„ Low 70μA Quiescent Current alE嘉泰姆

„ Guaranteed 3A Output Current at VOUT = 5V from 3.3V Input alE嘉泰姆

„ 1MHz PWM Switching Frequency alE嘉泰姆

„ Synchronous and Embedded Power Mosfets; No Schottky Diode Required alE嘉泰姆

„ Internal Soft-Start to Limit Inrush Current alE嘉泰姆

„ Adjustable Output alE嘉泰姆

„ Output turn off true shutdown function alE嘉泰姆

„ Current Mode Operation with Internal Compensation for Excellent Line and Load Transient Response alE嘉泰姆

„ Overload/Short-Circuit Protection with hiccup control alE嘉泰姆

„ Shutdown Current <1μA alE嘉泰姆

„ Thermal Shutdown alE嘉泰姆

„ Compact 8 pin,SOP8 (FD) packagealE嘉泰姆

   应用范围 返回TOPalE嘉泰姆

iPad-like computers, smart phones and portable handheld devices.alE嘉泰姆

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