PowerWise® Design University

WEBENCH® Power Designer Tool & New LM315x SIMPLE SWITCHER® Controller Technical Overview


Description: This video provides a technical overview of the new LM315x SIMPLE SWITCHER family and explains Constant-On-Time techniques and patented Emulated Ripple Mode in detail. The video also shows you how to create synchronous buck regulator design in minutes using National's new WEBENCH Power Designer and other software tools. This seminar has a table of contents so you can jump quickly between chapters

This seminar has a table of contents so you can jump quickly between chapters.

Length: 41 minutes

Published Date: March 2009

National's new LM315x SIMPLE SWITCHER family features:

  • Few external components to reduce overall solution size and complexity
  • Constant-On-Time (COT) architecture eliminates the need for compensation circuitry and provides a fixed frequency
  • Synchronous architecture delivers efficiencies up to 93%
  • Up to 12A of output current switching
  • Frequency up to 1 MHz
  • Wide input voltage range from 6V to 42V
  • Patent-pending Emulated Ripple Mode circuitry allows use of low ESR output capacitors

National's new WEBENCH Power Designer online tool lets you design and simulate your design in minutes and includes FET and passive external component selection and electrical as well as thermal simulation.

Presenters:
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Ralf Regenhold has a practical experience of 12 years in power semiconductors in the market segments of industrial, telecom and automotive.
He covered the positions of application design, technical support and field application. In his current position he is responsible for new product definitions, product support and product marketing in the European Power Management Group.
Ralf obtained his Masters Degree in Electronics from the Munich Technical University.

Juergen Kuehnel has a practical experience of 25 years in analog technology. He is training and product application engineer for power and signal path products at National Semiconductor Europe.He joined National in 1998 and in his role as trainer he proposes complete solutions based on his good overview of National's products. He holds a diploma from the Technische Fachhochschule in Berlin. Juergen is located in Fürstenfeldbruck, Germany.
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