Overview: Modern DC to DC power converters
are continuously striving for higher efficiency and power density. One topology
used in demanding applications, such as -48V telecom and 42V automotive
systems, is the Push-Pull topology, which is part of the Buck regulator
family. There are several variations of the Push-Pull topology, which offers
key advantages towards achieving next generation efficiency and density
goals. An enhanced version of the Push-Pull topology is the Current-Fed
Push-Pull or "Cascaded" Push-Pull. Examples of Push-Pull and Cascaded
power converters will be discussed, featuring the new LM5030 and LM5041
controllers.
Length: 60 minutes
Published Date: July 2004
Topics covered in this online seminar include:
- Buck Converter Family
- Push-Pull Power Converter Topology
- Cascaded Voltage-Fed Push-Pull Power Converter
- Cascaded Current-Fed Push-Pull Power Converter
- Cascaded Half-Bridge Power Converter
 Presenter:
Bob Bell, has been involved in the power converter industry for 20
years. He is currently a Principal Applications Engineer for the National
Semiconductor Phoenix design center. The Phoenix design center is developing
next generation power conversion solutions for the telecommunications market.
Bob is responsible for product definitions and evaluations as well as development
of application power converters. |
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