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Catalyst Semiconductor Launches 500mA Low Dropout (LDO) Regulator In Thin SOT-23 Package.


CAT6219 is one of few LDOs to offer 500mA current rating in thin SOT-23

SANTA CLARA, Calif. -- Catalyst Semiconductor, Inc. (NASDAQ NASDAQ
 in full National Association of Securities Dealers Automated Quotations

U.S. market for over-the-counter securities. Established in 1971 by the National Association of Securities Dealers (NASD), NASDAQ is an automated quotation system that reports on
:CATS) a supplier of analog, mixed-signal and non-volatile memory semiconductors launched the first device in its new line of low dropout (1) On magnetic media, a bit that has lost its strength due to a surface defect or recording malfunction. If the bit is in an audio or video file, it might be detected by the error correction circuitry and either corrected or not, but if not, it is often not noticed by the human  (LDO LDO Low-Dropout (Used With Regulators)
LDO Limited Duty Officer
LDO Light Diesel Oil (petroleum)
LDO Local Development Officer (Nepal)
LDO Land Development Ordinance
) regulators. The CAT6219 LDO regulator is one of only a few devices available that provides a 500mA peak output current in a tiny, five-lead, 1mm profile thin SOT-23 package.

An alternative to Micrel's MIC5219 and MIC5319 LDO regulators, the CAT6219 offers a lower quiescent current combined with a low typical dropout voltage of 300mV at a 500mA load. Additionally, an external bypass capacitor reduces overall output noise making the device ideal for low noise applications. Many LDOs incorporating a bypass capacitor pay the penalty of slow "start up." However, Catalyst's device is designed with a "quick start" feature, which ensures a fast turn-on time of less than 150us and further optimizes the CAT6219 for low-power applications.

The CAT6219 is designed to eliminate battery drain when not in use by entering a "zero" current shutdown mode. Additionally, the device offers a low typical quiescent current of 55uA and protection against short-circuit and thermal overload fault conditions.

Product Features

* Guaranteed 500mA peak output current

* Low dropout voltage of 300mV typical at 500mA

* Alternative to Micrel MIC5219 and MIC5319

* External 10nF bypass capacitor for low noise

* "Quick-start" feature for fast turn-on time (<150us)

* Current limit and thermal protection

* Packaging: 5-lead thin SOT-23 (1mm height)

Price and Availability

The CAT6219 low dropout regulator A low dropout or LDO regulator is a DC linear voltage regulator which has a very small input-output differential voltage. The main components are a power FET and a differential amplifier (error amplifier).  is priced at $0.28 each in 10,000 piece quantities. Samples are available now. Projected lead-time for production quantities is currently 6 to 8 weeks ARO.

About Catalyst Semiconductor

Founded in 1985, Catalyst Semiconductor, Inc. is headquartered in Santa Clara, California Santa Clara, California (IPA: /ˌsæntəˈklærə/) , founded in 1777 and incorporated in 1852, is a city in Santa Clara County, in the U.S. state of California. . The Company produces analog and mixed signal products in addition to an extensive range of non-volatile memories. The analog and mixed-signal product lines include Digitally Programmable Potentiometers (DPP DPP - Dining Philosophers Problem [TM]), white and color LED drivers, DC/DC converters, voltage supervisors, linear regulators and I/O (Input/Output) The transfer of data between the CPU and a peripheral device. Every transfer is an output from one device and an input to another. See PC input/output.

I/O - Input/Output
 expanders. The memory product lines consist of serial and parallel EEPROMs, Flash and NVRAM (Non-Volatile RAM) May refer to dynamic RAM (DRAM) and static RAM (SRAM) chips that are backed up by a battery or to non-volatile chips such as flash memory. See non-volatile memory, dynamic RAM, static RAM and solid state disk. . Catalyst devices are used in telecommunications, networking systems, computation, automotive, industrial and consumer markets. Typical applications include LCD displays, automotive instrumentation, optical networks, modems, wireless LANs, network cards, DIMM (Dual In-Line Memory Module) A printed circuit board that holds memory chips and plugs into a DIMM socket on the motherboard. See memory module.

DIMM - Dual In-Line Memory Module
 modules, cellular telephones, digital satellite box receivers, set-top boxes and Internet routers. Catalyst's Quality Management System is ISO (1) See ISO speed.

(2) (International Organization for Standardization, Geneva, Switzerland, www.iso.ch) An organization that sets international standards, founded in 1946. The U.S. member body is ANSI.
 9001:2000 certified. All Catalyst products are available in "green" lead- and halogen-free versions with full RoHS compliance. For additional information about Catalyst Semiconductor, visit our website at: www.catsemi.com.

Forward Looking Statements

Some statements in this press release, including but not limited those describing Catalyst Semiconductor's LDO regulator product availability and lead times are forward-looking statements and subject to certain risks and uncertainties that could cause actual results to differ materially from those in the forward-looking statements. These risks and uncertainties can include such factors as interruptions in our, or our vendors' manufacturing processes. Additional information on these and other forward-looking statements can be found in Catalyst Semiconductor's SEC reports under "Certain Factors That May Affect the Company's Future Results of Operations." These SEC reports include, but are not limited to our Annual Report on Form 10-K Form 10-K

A report required by the SEC from exchange-listed companies that provides for annual disclosure of certain financial information.


Form 10-K

See 10-K.
 for the year ended April 30, 2006 and Form 10-Q for the third quarter of fiscal year 2007 ended January 31, 2007.

Editor Notes:

1) Trademark notices: DPP is a trademark of Catalyst Semiconductor, Inc.
COPYRIGHT 2007 Business Wire
No portion of this article can be reproduced without the express written permission from the copyright holder.
Copyright 2007, Gale Group. All rights reserved. Gale Group is a Thomson Corporation Company.

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Publication:Business Wire
Date:Apr 26, 2007
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