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Agile Computing Authors: Ben Uher, Liz McMillan, Yeshim Deniz, Derek Weeks, Elizabeth White

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Analog Devices Introduces the Most Efficient Switching Regulators in Their Class

Analog Devices, Inc. (ADI), a global leader in high-performance semiconductors for signal-processing applications, today introduced the ADP2384 4-A and ADP2386 6-A, 20-V dc-to-dc regulators featuring ultra-high conversion efficiency of greater than 95 percent in a compact 168mm2 solution size. The ADP2384/86 regulators offer a wide input-voltage range of 4.5 V to 20 V and an output range from as low as 0.6 V up to 18 V with 1 percent voltage accuracy. The accurate current limit protection allows the use of smaller inductors, which helps to minimize board space. The ADP2384/86 regulators provide a precision-enable input and a power-good output to allow a simple and reliable start-up sequence.

The ADP2384/86 offer excellent stability and transient response to minimize the output voltage ripple. The switching frequency of the regulators can be synchronized to an external clock to eliminate beat frequencies between regulators. The ADP2384/86 operate over the −40°C to +125°C junction temperature range and are available in compact 4 mm × 4 mm 24-lead LFCSP packages.

ADP2384/86 dc-to-dc Regulators Key Features

  • Peak efficiency up to 95 percent with efficiency profile optimized for low duty-cycle operation
  • Wide input-voltage range of 4.5 V to 20 V
  • Output voltage is adjustable from 0.6 V to 90 percent of input voltage
  • Accurate current limit protection reduces the size of external inductor and overall solution size
  • Synchronization input to minimize input ripple current and reduce input filter design
  • Precision enable input and power-good output provide a simple and reliable start-up sequence
  • ADP2384 and ADP2386 are pin-to-pin compatible with each other
  • Compact solution size: 168 mm2 (14 mm ×12 mm)

Availability, Pricing and Complementary Components

Product         Sample

Availability

        Full Production         Price each @

1k units

        Packaging
ADP2384ACPZN-R7         Now         Now         $1.74         4 mm × 4 mm

24-lead LFCSP

ADP2386ACPZN-R7         Now         Now         $2.04         4 mm × 4 mm

24-lead LFCSP

ADP2384-EVALZ         Now         Now         $60.00         -
ADP2386-EVALZ         Now         Now         $60.00         -

About Analog Devices

Innovation, performance, and excellence are the cultural pillars on which Analog Devices has built one of the longest standing, highest growth companies within the technology sector. Acknowledged industry-wide as the world leader in data conversion and signal conditioning technology, Analog Devices serves over 60,000 customers, representing virtually all types of electronic equipment. Celebrating over 40 years as a leading global manufacturer of high-performance integrated circuits used in analog and digital signal processing applications, Analog Devices is headquartered in Norwood, Massachusetts, with design and manufacturing facilities throughout the world. Analog Devices is included in the S&P 500 Index.

Follow ADI on Twitter at http://www.twitter.com/ADI_News

To subscribe to Analog Dialogue, ADI's monthly technical journal, visit: http://www.analog.com/subscribe.

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