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Release FAN5358 Fairchild buck regulator fixed output
Designers often need to portable devices, especially smart phones, data cards and tablet computers, integrated over the range PMIC processing functionality, such as additional I / O rails or processors. These I / O rails and / or processor needs to run a stand-alone device to power. Fairchild Semiconductor (FairchildSemiconductor) for this design challenge, develop FAN53582MHz, 500mA synchronous buck regulator.
FAN5358 buck regulator operates from 2.7V to 5.5V input voltage range to provide a fixed output voltage. The device uses a proprietary synchronous rectifier structure, can provide 500mA of current, and as low as 1mA load current by more than 80% of high efficiency.
In the medium and light load conditions, FAN5358 uses pulse frequency modulation to the device in power saving mode, to achieve a very low quiescent current (typical 25μA). Even so, low quiescent current, the device can swing significantly when the load to provide excellent transient response. In addition, the shutdown mode, supply current to 1μA, further reducing power consumption.
FAN5358 uses a cost-effective 6-pin SC70 package, which is easy to use, to simplify the manufacturing process. The device is ideal for mobile phones, smartphones, 3G/4G data cards and tablet PCs, ultra mobile PC and the Internet and other devices in the application.
Fairchild FAN5358 is designed to meet the portable power supply (including core power, peripherals, power supply, battery charging, RFPA power and lighting solutions) needs a wide range of products designed in a series. Fairchild through the use of advanced silicon chip and package options for the smaller size and engineers to provide high performance solutions that will improve their design innovation.