Low Drop-Out Regulators suit space-constrained applications.

Press Release Summary:



Consuming 32 µA per channel when enabled, 150 mA triple-output Models MIC5387/85 offer voltage range options down to 1.0 V and provide up to 70 dB of PSRR for noise sensitive applications. Units operate from -40 to 125°C and offer full protection circuitry including current limit and thermal shutdown protection. Housed in 1.6 x 1.6 mm/2 x 2 mm Thin MLF® packages, respectively, Models MIC5387/85 are suitable for mobile phones, PNDs, PMPs, DSCs, notebook computers, and PDAs.



Original Press Release:



Micrel Launches Industry's Triple Threat with Smallest Triple LDO Family Featuring Best-In-Class Performance for Space-Constrained Applications



San Jose, Calif., - Micrel Inc., (Nasdaq:MCRL), an industry leader in analog, high bandwidth communications and Ethernet IC solutions, today launched two new high performance, low drop-out (LDO) regulators for portable and space constrained electronics. The MIC5387 extends Micrel's ever shrinking LDO regulator products by achieving an ultra small triple output LDO in a 1.6 x 1.6mm Thin MLF® package size which is a greater than 57 percent reduction when compared to the industry standard 2mm x 3mm MLF® package. This new 150mA Triple LDO family is ideally suited for a wide range of battery-powered electronic applications including mobile phones, personal navigation devices (PND), portable media players (PMP), digital still cameras (DSC), notebook computers, personal digital assistants (PDA), and handheld instruments. The MIC5387 is currently available in volume quantities with pricing starting at $0.30 for 1K quantities. For feature-rich applications, the triple output LDO MIC5385 is provided in a 2mm x 2mm Thin MLF® package and is available at $0.32 for 1K quantities. Samples can now be ordered on line on Micrel's web site at: www.micrel.com/ProductList.do .

"When compared to the industry 2mm x 3mm MLF® package, the 1.6mm x 1.6mm Thin MLF® provides portable system designers the smallest footprint," noted Andy Khayat, director of Micrel's portable product group. "This new series of high performance LDOs offer excellent overall performance and value for very high volume handheld electronics."

This new series of triple LDOs not only addresses the need for the smallest solution in the market but also feature an extensive voltage range options down to 1.0V. The MIC5387/85 provides very fast transient response to any load change, and up to 70dB of PSRR for noise sensitive applications. The MIC5387/85 achieves this in spite of only consuming 32µA typical per channel while enabled. This combination of compact integration, high performance and low power consumption makes the MIC5387/85 suitable for most applications in portable electronics. The MIC5387/85 is a µCap design operating with very small ceramic output capacitors, which additionally reduces required board space. This series offers full protection circuitry including current limit and thermal shutdown protection, and an operating junction temperature range of -40°C to 125°C.

About Micrel

Micrel Inc. is a leading global manufacturer of high performance analog and high-speed mixed signal solutions. 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 sales representatives worldwide.

For further information, contact Julieanne DiBene at: Micrel, Incorporated, 2180 Fortune Drive, San Jose, California 95131, (408) 944-0800; or visit the Micrel website at: www.micrel.com

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