ON Semiconductor Introduces Power Efficient PFC / PWM Controller That Simplifies Design of Offline, ac-dc Power Supplies


NCP1603 combo-controller enables extremely low no-load standby power consumption – ideal for notebook and LCD adapters, and other consumer electronics

Phoenix, Ariz. – August 12, 2005 – Continuing to provide power supply manufacturers with innovative ways to reduce power consumption, ON Semiconductor (NASDAQ: ONNN) today introduced the NCP1603 – a combo PFC/PWM controller with integrated standby and high voltage startup capabilities.

The NCP1603 combines a power factor correction (PFC) controller chip and a pulse width modulation (PWM) control chip in a single, 16-pin SOIC package. This combination simplifies the task of designing an offline, ac-dc power supply that simultaneously meets governmental requirements for power factor correction and low standby power consumption. Target applications for this device include products such as notebook and LCD adapters, and other consumer electronics.

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onsemi (Nasdaq: ON) is driving disruptive innovations to help build a better future. With a focus on automotive and industrial end-markets, the company is accelerating change in megatrends such as vehicle electrification and safety, sustainable energy grids, industrial automation, and 5G and cloud infrastructure. With a highly differentiated and innovative product portfolio, onsemi creates intelligent power and sensing technologies that solve the world’s most complex challenges and leads the way in creating a safer, cleaner, and smarter world.


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