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ON Semiconductor Further Expands its Portfolio of Linear Voltage Regulators with the Release of Compact 150 mA Devices  Chinese Korean

New LDOs minimize board space requirement, while ultra low current consumption optimizes battery life for use in portable applications

low dropout (LDO) linear voltage regulators

PHOENIX, Ariz. – June 8, 2011 – ON Semiconductor (Nasdaq: ONNN) a premier supplier of high performance silicon solutions for energy efficient electronics has announced the introduction of five ultra small package, low dropout (LDO) linear voltage regulators to bolster its existing portfolio for smart phones and other portable electronics. Based on complementary metal oxide semiconductor (CMOS) technology, the new devices can each deliver an output current of 150 milliamperes (mA).

With an output voltage range of 1.2 volts (V) to 3.3 V, the NCP4682 and NCP4685 ultra low current regulators have a supply current of just 1 microampere (µA) typical. These devices include output current protection and a fully integrated soft-start circuit to minimize inrush current and ensure there is no output voltage overshoot. Output voltage accuracy is ±0.8%.  Available packages include a UDFN-4 package measuring only 1 mm x 1 mm x 0.6 mm.

With a ±1.0% output voltage accuracy, the NCP4681 and NCP4684 ultra low current regulators also have a 1 µA typical supply current and are specified over an output voltage range of 0.8 V to 3.6 V. They benefit from the same soft-start and output current protection features as the NCP4682 and NCP4685.  Available packages include an XDFN-4 measuring only 0.8 mm x 0.8 mm x 0.4 mm.

The NCP4682 and NCP4681 both include an Enable function to reduce supply current by using a Standby mode. In contrast, the NCP4684 and NCP4685 devices eliminate this function in order to avoid any associated pull down current, thereby lowering the quiescent current for battery-powered portable applications which are required to spend most of the time in an active mode.

The NCP4680 regulator, which completes the group of new LDO products, can operate with an input voltage of only 1.4 V minimum. The device delivers strong transient response with ripple rejection of 75 decibels (dB) and output voltage accuracy of ±1%. Its output voltage range covers 0.8 V to 3.5 V and the available packages include the 0.8 mm x 0.8 mm x 0.4 mm XDFN-4.

All five new devices are highly suitable for incorporation into battery-powered portable devices (such as MP3 players, cell phones, handheld GPS systems, cameras, and camcorders), home appliances (including set top boxes and digital video recorders), and networking/communication equipment (servers and routers), as well as other applications areas where conserving both power and space are high priorities.

“The low supply current required by these LDOs helps to extend the battery life of the end products in which they are employed.  In addition, their compact packaging is in line with the sleek, small form factor designs for portable electronics that consumers now demand,” said Mike Paquette, director of the regulation business unit at ON Semiconductor. “These new devices enable more feature-packed portable electronics designs that boast greater battery lives.”

The new devices all have an operational temperature range of −40 ⁰C to 85 ⁰C. The NCP4682 and NCP4685 are now available in SC-70 and UDFN-4 packages. The NCP4681 and NCP4684 are now available in SC-70 and XDFN-4 packages. The NCP4680 is now available in SC-70 and XDFN-4 packages. All five devices can be made available in output voltage increments of 100 mV and in a SOT-23-5 package on request.  ON Semiconductor’s new LDO linear voltage regulator devices are priced between $0.27 and $0.32 per unit.

For more information, please visit http://www.onsemi.com.

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关于安森美半导体
安森美半导体(ON Semiconductor,美国纳斯达克上市代号:ONNN)致力于推动高能效电子的创新,使客户能够减少全球的能源使用。公司全面的高能效电源和信号管理、逻辑、分立及定制方案阵容,帮助工程师解决他们在汽车、通信、计算机、消费电子、工业、LED照明、医疗、军事/航空及电源应用的独特设计挑战。公司运营敏锐、可靠、世界一流的供应链及品质项目,及在北美、欧洲和亚太地区之关键市场运营包括制造厂、销售办事处及设计中心在内的业务网络。更多信息请访问http://www.onsemi.cn

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