XU5122

XU5122 ____________________________________________________________________________________________________________________________ Dual High-Efficiency PWM Step-Down DC/DC Converter GENERAL DESCRIPTION The XU5122 is a dual high-efficiency PWM step-down DC-DC converter. It is capable of delivering 700mA output each channel over a wide input voltage from 2.5V to 5.5V, the XU5122 is ideally suited for portable electronic devices that are powered from 1cell Li-ion battery or from other power sources within the range such as cellular phones, PDAs and other handheld devices. The switching ripple is easily smoothed-out by small package filtering elements due to a fixed operation frequency of 1.5MHz. This along with small WDFN-12L 3X3 package provides small PCB area application. Other features include soft start, lower internal reference voltage with 2% accuracy, over temperature protection, and over current protection. FEATURES FOR EACH CHANNEL 700mA Output Current High Efficiency ...