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

SANTA CLARA, Calif., Aug. 2 — (PRNewswire) — National Semiconductor Corp. (NYSE: NSM) today 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 @

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 -

LMZ10504EXT -

LMZ10505EXT -

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 -

LMZ12002EXT -

LMZ12003EXT -

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 -

LMZ14202EXT -

LMZ14203EXT -

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  A large selection of SIMPLE SWITCHER products is supported by National's WEBENCH Power Architect online design tool.  To begin a design, visit

About National Semiconductor

National Semiconductor is a leader in power management technology.  Known for its easy-to-use analog integrated circuits and world-class supply chain, National's high-performance analog products enable its customers' systems to be more energy efficient.  Headquartered in Santa Clara, Calif., National reported sales of $1.42 billion for fiscal 2010.  Additional information is available at

National Semiconductor and SIMPLE SWITCHER are registered trademarks of National Semiconductor Corporation.  All other trademarks are the property of their respective owners.


Media Contact:

Gayle Bullock


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SOURCE National Semiconductor Corp.

National Semiconductor Corp.
Media, Gayle Bullock
Phone: +1-408-721-2033
Email Contact
Reader Information, Design Support Group, 1-800-272-9959, both for National Semiconductor Corp.

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