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National Semiconductor Adds Nine Extended Temperature Products to SIMPLE SWITCHER Power Module Family

3rd August 2010

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National Semiconductor introduced nine new SIMPLE SWITCHER power modules that feature an extended operating temperature range and vibration and drop testing for use in harsh environments. The ruggedized, easy-to-use LMZ10503/4/5EXT, LMZ12001/2/3EXT and LMZ14201/2/3EXT power modules provide the efficiency of a synchronous switching regulator with the simplicity of a linear regulator, eliminating the external inductor and complex layout placement challenges typical of switching regulator designs.

The wide operating junction temperature range of -55 degrees C to +125 degrees C make the new SIMPLE SWITCHER power modules well-suited for field programmable gate arrays (FPGAs), microprocessors, digital signal processors (DSPs) and other point-of-load (POL) conversions in harsh environments such as industrial and military applications. Watch a drop and vibration test @ http://bit.ly/LMZEXTvideo.

Key features for the extended temperature power modules include:

• Extended junction temperature range down to -55 degrees C

• Compliant to vibration standard MIL-STD-883 Method 2007.2 Condition A and JESD22-B103B Condition 1

• Compliant to drop standard MIL-STD-883 Method 2002.3 Condition B and JESD22-B110 Condition B

• Pin-to-pin compatible with other family members

• Wide input voltage range up to 42V

• Integrated shielded inductor

• Efficiency greater than 90 percent

• Small 10.16 mm by 13.77 mm by 4.57 mm package (RoHS compliant)

• Low radiated emissions (EMI) complies with EN55022 class B standard

• Passes 10V/m radiated immunity EMI test standard EN61000 4-3

The LMZ10503/4/5EXT power modules support maximum load currents of 5A with an input voltage range of 2.95V to 5.5V. For more information or to order samples and an evaluation board, visit:

LMZ10503EXT - www.national.com/pf/LM/LMZ10503EXT.html

LMZ10504EXT - www.national.com/pf/LM/LMZ10504EXT.html

LMZ10505EXT - www.national.com/pf/LM/LMZ10505EXT.html

The LMZ12001/2/3EXT power modules support maximum load currents of 3A with an input voltage range of 4.5V to 20V. For more information or to order samples and an evaluation board, visit:

LMZ12001EXT - www.national.com/pf/LM/LMZ12001EXT.html

LMZ12002EXT - www.national.com/pf/LM/LMZ12002EXT.html

LMZ12003EXT - www.national.com/pf/LM/LMZ12003EXT.html

The LMZ14201/2/3EXT power modules support maximum load currents of 3A with an input voltage range of 6V to 42V. For more information or to order samples and an evaluation board, visit:

LMZ14201EXT - www.national.com/pf/LM/LMZ14201EXT.html

LMZ14202EXT - www.national.com/pf/LM/LMZ14202EXT.html

LMZ14203EXT - www.national.com/pf/LM/LMZ14203EXT.html

Packaging, Pricing and Availability

National’s LMZ10503/4/5EXT, LMZ14201/2/3EXT and LMZ12001/2/3EXT power modules are available now in a 7-pin package with exposed-bottom pad and range in cost from $9.50 to $17.20 in quantities of 500.

For information on all of National’s SIMPLE SWITCHER power modules, visit www.national.com/analog/power/simple_switcher_power_modules. A large selection of SIMPLE SWITCHER products is supported by National’s WEBENCH Power Architect online design tool. To begin a design, visit www.national.com/powerarchitect.