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

   产品概述 返回TOP78Z嘉泰姆

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.

   产品特点 返回TOP78Z嘉泰姆

„ Up to 90% Efficiency at Iout=2A VOUT = 5V from 3.3V Input 78Z嘉泰姆

„ Low 70μA Quiescent Current 78Z嘉泰姆

„ Guaranteed 3A Output Current at VOUT = 5V from 3.3V Input 78Z嘉泰姆

„ 1MHz PWM Switching Frequency 78Z嘉泰姆

„ Synchronous and Embedded Power Mosfets; No Schottky Diode Required 78Z嘉泰姆

„ Internal Soft-Start to Limit Inrush Current 78Z嘉泰姆

„ Adjustable Output 78Z嘉泰姆

„ Output turn off true shutdown function 78Z嘉泰姆

„ Current Mode Operation with Internal Compensation for Excellent Line and Load Transient Response 78Z嘉泰姆

„ Overload/Short-Circuit Protection with hiccup control 78Z嘉泰姆

„ Shutdown Current <1μA 78Z嘉泰姆

„ Thermal Shutdown 78Z嘉泰姆

„ Compact 8 pin,SOP8 (FD) package78Z嘉泰姆

   应用范围 返回TOP78Z嘉泰姆

iPad-like computers, smart phones and portable handheld devices.78Z嘉泰姆

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