Micrel Launches a New High Performance, 4MHz, 2A DC/DC Converter with 100 Percent Duty Cycle Capability

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Press Release

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Julieanne DiBene,

Marketing Communications

Micrel, Incorporated

2180 Fortune Drive

San Jose, CA 95131

Phone: (408) 944-0800

San Jose, CA, Mar. 10, 2014 — Micrel Inc., (Nasdaq:MCRL),an industry leader in high-performance Linear and Power solutions, LAN and timing and communications solutions, today introduced the MIC23163/MIC23164, a 4MHz, DC-DC converter capable of delivering up to 2A in a small 2mm x 2mm package. These switching regulators operate from 2.7V to 5.5V with the capability of operating up to 100 percent duty cycle, allowing them to be used in multiple applications such as powering power amplifiers, solid state drives, mobile computing devices, cellular modems, and other space constrained point-of-load applications. Utilizing Micrel’s patented Flea FET™ technology and Hyperlight Load™ control architecture, these devices can operate up to 4MHz with excellent light and full load efficiency. They provide an ultra-fast load transient response which minimizes output capacitance and reduces overall solution size and cost. The MIC23163/MIC23164 are available in volume quantities with 1,000 quantities pricing starting at $1.10. Samples can be ordered on line at:

http://www.samplecomponents.com/scripts/samplecenter.dll?micrel.


“Micrel’s patented FleaFET™ Power MOSFET technology with inherent low gate charge structure enables our next generation of innovative point-of-load products. This technology allows Micrel to maximize the efficiency and frequency of operation while reducing the solution size and cost,” stated Brian Hedayati, vice president of marketing for high performance linear and power solutions at Micrel. “The MIC23163/4 is designed for use with a very small 0.47µH inductor that enables a total solution size of less than 1mm height. This makes the part ideal for applications where system designers want minimum thickness for their products including many new wearable electronic devices.”


The MIC23163/4 has a very low quiescent current of 33µA and achieves as high as 85 percent efficiency at 1mA. At higher loads, the MIC23163/4 provides a constant switching frequency of around 4MHz while achieving peak efficiencies up to 93 percent. This helps increase system operating time for battery powered devices, an on-going concern for designers and consumers. Other features of these devices include an analog enable input, power good output, and an adjustable soft-start function. The MIC23164 also incorporates an internal switch to discharge the output capacitor when the device is shut down. These devices ensure safe startup into a pre-biased output and are specified to operate from -40°C to +125°C. They come in a 10-pin 2.0mm × 2.0mm Thin DFN package

About Micrel, Inc.
Micrel, Inc. is a leading global manufacturer of IC solutions for the worldwide high-performance linear and power, LAN, and timing and communications markets. The Company’s products include advanced mixed-signal, analog and power semiconductors; high performance communication, clock management, Ethernet switch and physical layer transceiver ICs. Company customers include leading manufacturers of enterprise, consumer, industrial, mobile, telecommunications, automotive, and computer products. Corporation headquarters and state-of-the-art wafer fabrication facilities are located in San Jose, CA, with regional sales and support offices and advanced technology design centers situated throughout the Americas, Europe and Asia. In addition, the Company maintains an extensive network of distributors and reps worldwide. Web:www.micrel.com.

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