Allegro MicroSystems, Inc. Announces Off-Line Quasi-Resonant Switching Regulators

Flexible Solution with Low Power Consumption

March 14, 2012

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Worcester, MA - Allegro MicroSystems, Inc. announces a new series of off-line, quasi-resonant switching regulators. This new series was developed to eliminate the requirement of a dedicated power supply to the standby circuits, by reducing the input power requirement at no load to 30 mW or less for 100 VAC input and to 50 mW or less for 230 VAC. This is about one-third the requirement of conventional quasi-resonant ICs and is the lowest power consumption available on the market today.

The STR-Y6700 series is comprised of a power MOSFET and a multi-functional monolithic integrated circuit (MIC) controller designed for controlling switch mode power supplies. The quasi-resonant mode of operation, coupled with the bottom-skip function, allows high efficiency and low noise at low to high operational levels, while burst oscillation mode ensures minimum power consumption at standby. In order to sustain low power consumption under low load and in standby mode, the controller has built-in startup and standby circuits.

The compact 7-pin full mold package (TO220F-7L) reduces board space by requiring a minimum of external components, thus simplifying circuit design. This IC, including various protection functions, is an excellent choice for standardized, compact power supplies.



Allegro MicroSystems, LLC 是开发、制造和销售高性能半导体的领先厂商。Allegro 独具创新的解决方案服务于汽车市场中的高增长应用,此外也开发办公自动化、工业和消费/通讯解决方案。Allegro 公司总部位于美国马萨诸塞州伍斯特市,在世界各地拥有设计、应用和销售支持中心。有关 Allegro 公司的更多信息,请登录zh.allegromicro.com

编辑联系人:

Stephanie Fennelly
营销公关总监
电话:(508) 854-5363
sfennelly@allegromicro.com
.

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