'Power Up' with Diodes Incorporated's AP3988 Primary Side Power Switcher Now at Mouser

September 23, 2014 - Mouser Electronics, Inc. is now stocking the AP3988 Primary Side Power Switcher from Diodes Incorporated. This enhanced, off-line, side-switching controller is designed to cut costs and improve power supply performance by providing primary-side control that eliminates the need for opto-couplers and secondary-side control circuitry. With this device, designers can reduce component count, board space requirements and cost, while enjoying primary-side regulation results that equate to higher efficiency and reliability with less heat generated in the power supply.

The Diodes Incorporated AP3988 Primary Side Power Switcher, available from Mouser Electronics, regulates the output voltage by using piece-wide pulse frequency modulation (p‑PFM) in discontinuous conduction mode (DCM), where analog levels are represented as fixed-duration pulses with various rates of repetition. The system operating frequency reduces linearly from heavy load to light load in each interval of the p-PFM, and enters constant current mode when the load current is equal to the maximum system output current. Transistors with 700VCBO are built into the device, and feature a low start-up current that is just 0.2μA (typical).

The AP3988 switcher also has integral cable voltage drop compensation of 5% of nominal voltage and adjustable line voltage compensation. This device also has improved output voltage and current accuracy, enhanced over-voltage and short-circuit protection, and better EMC performance by improved frequency dithering.

The AP3988 Primary Side Power Switcher is ideally suited for a variety of chargers, ADSL adapters, set-top boxes, LED lighting power supplies, PC auxiliary power supplies and home appliances. This device is designed for use in 5.5W adapters, has an operating temperature range from -40°C to +85°C, and is offered in a SO-7 package.

To learn more, visit http://www.mouser.com/new/Diodes-Inc/diodesinc-ap3988-power-switcher/.

With its broad product line and unsurpassed customer service, Mouser caters to design engineers and buyers by delivering What's Next in advanced technologies. Mouser offers customers 20 global support locations and the latest, most technologically advanced components for their newest design projects. Mouser Electronics' website is updated daily and searches more than 10 million products to locate over 4 million orderable part numbers available for easy online purchase. Mouser.com also houses an industry-first interactive catalog, data sheets, supplier-specific reference designs, application notes, technical design information, and engineering tools.

About Mouser Electronics
Mouser Electronics, a subsidiary of TTI, Inc., is part of Warren Buffett's Berkshire Hathaway family of companies. Mouser is an award-winning authorized semiconductor and electronic component distributor, focused on the rapid introduction of new products and technologies to electronic design engineers and buyers. Mouser.com features more than 4 million products online from more than 500 manufacturers. Mouser publishes multiple catalogs per year providing designers with up-to-date data on the components now available for the next generation of electronic devices. Mouser ships globally to over 400,000 customers in 170 countries from its 492,000 sq. ft. state-of-the-art facility south of Dallas, Texas. For more information, visit www.mouser.com.

About Diodes Incorporated
Diodes Incorporated is a leading global supplier of high-quality application specific standard products within the broad discrete and analog semiconductor markets. Diodes Inc. products include diodes, rectifiers, transistors, MOSFETs, protection devices, function-specific arrays, amplifiers and comparators, Hall-effect sensors and temperature sensors, and power management devices including LED drivers, DC-DC switching regulators, linear voltage regulators and voltage reference, as well as special function devices including USB power switch, load switch, voltage supervisor and motor controllers.

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