Tuesday, March 19, 2013

Alpha and Omega Semiconductor launches EZBuck with enhanced light load operation

USA: Alpha and Omega Semiconductor Ltd (AOS) has released the AOZ3015, a 3A EZBuck DC/DC regulator optimized for applications that have a standby power mode.

The AOZ3015 is ideally suited for point-of-load DC/DC converters, LCD TVs, set-top boxes, DVD and Blu-ray players/recorders and cable modems.

The AOZ3015 is a high-efficiency and easy-to-use synchronous PWM buck regulator with an input voltage range of 4.5V to 18V. It provides 3A of continuous output current at over 90 percent efficiency and maintains 85 percent efficiency while in 10mA light load operation.

When operating in low output current conditions, the AOZ3015 will operate in a proprietary pulse energy mode (PEM) to obtain high efficiency. Under heavy load steady-state conditions, the AOZ3015 will operate in fixed frequency and Continuous-Conduction Mode (CCM).

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