ON Semiconductor Announces Industry Leading Ultra-High PSRR LDO Regulators for Demanding Applications

High PSRR improves performance in imaging and wireless applications, including automotive

NUREMBERG, Germany — (BUSINESS WIRE) — June 4, 2018 — PCIM 2018 – Hall 9 Booth #342 – ON Semiconductor (Nasdaq: ON), driving energy efficient innovations, has announced a new range of ultra-low noise LDO regulators with the industry’s best power supply rejection ratio (PSRR), enabling better performance in noise sensitive analog designs. The new NCP16x series, along with the AEC-Q100 qualified NCV81x automotive variants, delivers improved performance in applications such as automotive ADAS image sensor modules, portable devices and wireless applications – including 802.11ad WiGig, Bluetooth and WLAN.

The NCP16x series comprises four devices with a wide input voltage range from 1.9 to 5.5 volts (V) to support a variety of end applications. Output current of 250 milliamperes (mA), 450 mA and 700 mA in a common package footprint enable easy scalability of designs. Ultra-high PSRR of 98 decibels (dB) blocks unwanted power supply noise from reaching sensitive analog circuits, while ultra-low noise of 6.5 microvolts (uV) RMS eliminates the need for additional output capacitance.

The new LDO regulators have a low dropout voltage of 80 millivolts (mV), supporting and helping to prolong the operating life of battery powered end products. This is further enhanced by a no-load quiescent current of just 12 microamperes (μA). They are available in fixed output voltages from 1.2 V to 5.3 V with an accuracy of +/-2% over the entire application range. Stable operation is achieved with only 1 µF of capacitance on the input and output, enabling lower system cost and size.

A new patented architecture is implemented to achieve the ultra-high PSRR performance and extends ON Semiconductor’s leadership position in this area. Providing high PSRR over a wide frequency range (10 kHz to 100 kHz) is important to end application performance. In image sensor applications for ADAS cameras, for example, the NCV8163 provides improved image quality by filtering out power supply noise that would otherwise corrupt the voltage signal applied to the pixel. In wireless applications such as WiGig 802.11ad, the combination of ultra-high PSRR and ultra-low noise as seen in the NCP167 ensure the power-per-bit efficiency capability of the system is realized by providing a clean power supply.

“This new series of ultra-low noise LDOs dramatically improves PSRR, exceeding some conventional LDOs by 30 dB. Our customers are excited about the new level of performance they are able to achieve with this product family,” said Tim Kaske, Sr. Business Unit Director, ON Semiconductor. “An LDO is still the best solution for low current applications, and with the small size and now even higher levels of performance in PSRR and low noise, they are an ideal power management solution for noise sensitive RF and image sensor applications. As an example of this we have a growing collection of image sensor reference designs that use this new LDO family. The total system level application provided by ON Semiconductor enables engineers to quickly implement the highest image quality sensor solutions available on the market today.”

NCP16x devices are available in TSOP-5, XDFN-4 and WLCSP-4. NCV816x Automotive variants are available in TSOP-5 and XDFN-4. All are suitable for modern high-density designs.

Additional resources & documents:
Landing page: Ultra-High PSRR LDO Regulators
Video: High PSRR LDO Regulator Introduction and Automotive Imaging Use Case
Video: Understanding PSRR with High Performance LDO Products
Blog: What is LDO Noise?
Blog: Ideal vs. Real LDO

About ON Semiconductor

ON Semiconductor (Nasdaq: ON) is driving energy efficient innovations, empowering customers to reduce global energy use. The company is a leading supplier of semiconductor-based solutions, offering a comprehensive portfolio of energy efficient, power management, analog, sensors, logic, timing, connectivity, discrete, SoC and custom devices. The company’s products help engineers solve their unique design challenges in automotive, communications, computing, consumer, industrial, medical, aerospace and defense applications. ON Semiconductor operates a responsive, reliable, world-class supply chain and quality program, a robust compliance and ethics program, and a network of manufacturing facilities, sales offices and design centers in key markets throughout North America, Europe and the Asia Pacific regions. For more information, visit http://www.onsemi.com.

ON Semiconductor and the ON Semiconductor logo are registered trademarks of Semiconductor Components Industries, LLC. All other brand and product names appearing in this document are registered trademarks or trademarks of their respective holders. Although the company references its website in this news release, information on the website is not to be incorporated herein.



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