Micrel to Unveil New Family of High Voltage High Density Power Modules Suited

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FORT WORTH, TX -- (Marketwired) -- 03/17/14 -- Micrel, Inc. (NASDAQ: MCRL), an industry leader in high performance linear and power solutions, LAN and timing and communications solutions, announced today that it will be unveiling a family of power modules at APEC 2014. The MIC28304/MIC45205/MIC45208/MIC45212 family of power modules operate from 4.5V to 26.5V (70V for MIC28304) input and are capable of delivering currents of 3A, 6A, 10A and 14A, respectively. The 2014 Applied Power Electronics Conference and Exposition (APEC 2014) industry conference will be held March 16-20th at the Fort Worth Convention Center. Micrel will be exhibiting Monday, March 17, 5:00 p.m. - 8:00 p.m.; Tuesday, March 18, 12:00 p.m.-5:00 p.m.; and Wednesday, March 19, 10:30 a.m.-2:00 p.m., Booth No. 915.

These highly integrated power module solutions are designed to simplify the system power design process while offering exceptional performance. These modules feature a complete switching power supply solution in an ultra-compact, thermally-enhanced, rugged, surface mount QFN package. The devices integrate a PWM controller, power MOSFETs, inductor, and associated discrete components to save board space and reduce component counts which results in higher system reliability. The devices are ideally suited for RAID systems, network routers, blade servers, cellular base stations, medical test equipment, and test instrumentation. Engineering samples can be ordered by contacting the factory: www.micrel.com. The MIC28304/MIC45205/ MIC45208/MIC45212 will be available in production and volume quantities starting in the second quarter of 2014 with pricing starting at $7.10/$4.85/$7.2/$8.88, respectively.

"This new generation of power modules allows our customers to improve their time-to-market by simplifying the design process. These modules eliminate the need to select key components and simplify the board layout to meet EMI specifications," stated Brian Hedayati, vice president of marketing for high performance linear and power solutions at Micrel. "In addition, these modules reduce board space while still offering exceptional performance. These modules are among the highest input voltage rating and power density devices available in the market today."

The MIC28304/MIC45205/MIC45208/MIC45212 offer peak efficiency up to 93 percent and are optimized for fast load transient responses by utilizing Micrel's Hyperspeed Control(TM) architecture, This minimizes output capacitance to further reduce the overall solution size. In addition, these modules meet the industry's most demanding CISPR22, CLASS B, EMI standards, further reducing design complexity. The MIC28304 70V rating makes it suitable for applications such as automotive, industrial robotics, industrial automation, avionics, and 48V telecom.

These modules protect against overcurrent, overvoltage and thermal faults. There is also an internal soft-start function that controls the inrush current. Additional features include the flexibility to adjust the current limit, frequency (200kHz to 600kHz), and output voltage (from 0.8V to 5.5V). Optional pin-to-pin solutions are available with Micrel's Hyperlight Load(TM) control scheme to improve light load efficiency if required. These devices are available in a small 8mm x 8mm (MIC45205), 10mm x 10mm (MIC45208) and 12mm x 12mm (MIC28304/MIC45212) QFN packages, and operate from -40degC to +125degC.

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, MEMs-based clock oscillators and crystal-less clock generators, 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.

Note: Hyperlight Load(TM) is a trademark of Micrel, Inc.

Stephane Crawford Marketing Communications 1-408-435-2402 Stephanie.Crawford@Micrel.com