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

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

NCV816x LDL.

PCIM 2018 – Hall 9 Booth #342 - Nuremberg, Germany. – 04 June 2018 – 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

オン・セミコンダクターについて
オン・セミコンダクター(Nasdaq: ON)は、お客様にグローバルな省エネルギーを実現していただけるよう、高効率エネルギーへのイノベーションをリードしてまいります。オン・セミコンダクターは半導体をベースにしたソリューションのリーディング・サプライヤーで、エネルギー効率の高い、電力管理、アナログ、センサ、ロジック、タイミング、コネクティビティ、ディスクリート、SoCおよびカスタム・デバイスの包括的なポートフォリオを提供しています。オン・セミコンダクターの製品は、自動車、通信、コンピューティング、民生機器、産業用機器、医療機器、航空宇宙、防衛のアプリケーションにおける特有な設計上の課題を解決します。オン・セミコンダクターは、迅速な対応、信頼性、世界クラスのサプライ・チェーンと品質保証プログラム、厳格な企業倫理とコンプライアンスを備え、北米、ヨーロッパ、およびアジア太平洋地域の主要市場で、製造工場、営業所、デザイン・センターのネットワークを運営しています。詳細については、https://www.onsemi.jpをご覧ください。

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