National Adds 12V and Adjustable Voltage Versions to Award-Winning Integrated Power Supply (IPS) Line; Extends Temperature Ratings to Industrial Range

September 18, 1997 -- National Semiconductor Corporation® today announced additional output voltage ratings and an extended temperature range for its line of award-winning LM2825 integrated power supplies (IPS). The latest versions of the industry's first fully integrated DC/DC power converter in an IC package include the LM2825-12 with 12V out; the LM2825-Adj for output voltages from 1.23 to 8V; and the LM2825H-Adj for output voltage of 7V to 15V. All IPS devices offered by National are now rated in the industrial temperature range of -40C to +85C and can drive output loads up to 1A. The new offerings expand National 's previously announced IPS line of 3.3V and 5V devices for step-down (buck) conversion.

"The IPS is a simpler, lower cost, and more reliable alternative to power modules or hybrid devices, " said Barry Signoretti, National's analog product marketing manager. "Systems designers, especially, will appreciate the minimal design efforts required for DC/DC conversion when they use this part, " he added.

By encapsulating five external components -- a diode, inductor, resistor and two capacitors -- plus a switching regulator into a single 24-pin dual-in-line package, the LM2825 Integrated Power Supply offers the design simplicity of a DC/DC module in an IC footprint. Mean-Time-Between-Failure (MTBF) is rated at 20 million hours, a level far greater than modules and comparable to that of an integrated circuit. Moreover, with the IC leadframe and molding compound technology, the LM2825's industry-standard package offers the added manufacturing advantage of automatic PCB assembly, eliminating the costly, time-consuming practice of manual assembly necessary with DC/DC modules.

Price and Availability
Currently available from National Semiconductor, the LM2825N is offered in a 24-pin dual-in-line (DIP) package. In quantities of 1000, the device is priced at $8.05. For more information on the LM2825N, please visit our World Wide Web site at http://www.national.com/pf/LM/LM2825.html.

National Semiconductor Corporation, a Fortune 500 company, produces system on a chip silicon solutions for the information highway, based on its leadership in analog and mixed signal technologies. National is headquartered in Santa Clara, California, and focuses on the communications, personal systems and consumer markets. National has annual sales of approximately $2 billion and 12,500 employees worldwide. Additional company and product information is available on the World Wide Web at www.national.com.