Power Seminar Webcast Series
Flyback Converters - Fairchild Power Switch
Overview
This webcast discusses switchmode power supply design issues including an in depth discussion of flyback topology along with critical aspects of component selection. The design of the magnetics is also reviewed. A design example will illustrate how SMPS design can be simplified using Fairchild's FPS Designer software. The design is broken down into a few easy to understand steps followed by evaluation of how the results correlate once the design is built.
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Practical aspects of feedback control
Overview
This webcast explains design considerations when using an optically isolated error amplifier as the voltage feedback device in an off-line switch mode power supply. Using a practical example, the primary focus is on understanding what determines the frequency response of the feedback control system, with the goal of ensuring control loop stability and acceptable transient response in an isolated power supply.
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Power Factor Correction
Overview
The adoption of power factor correction in switchmode power supplies is slowly increasing, driven by regulatory requirements and the increasing demand on local power supply networks. The functions of transition and continuous mode controllers along with practical details of a transition mode implementation are presented during this webcast. Fairchild's solutions for quasi resonant zero voltage switching for higher power are reviewed and will include a discussion of practical implementation details.
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DC-DC Solutions (Control)
Overview
High current and low voltage requirements of today's complex integrated circuits are driving increased replacement of low cost linear regulators by switching regulators. This webcast reviews linear regulators and PWM control methods, then provides important details for designing synchronous buck converters: calculating losses, preventing shoot-through, multi-phase options, and a discrete alternative to DrMOS. Following this, Fairchild's low-cost, hybrid approach to digital control is detailed.
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High-Voltage Discrete Technology
Overview
This webcast illustrates how Fairchild optimizes the design of its high-voltage MOSFETs and rectifiers to meet different needs, and discusses the performance of Fairchild's new SiC Schottky diodes.
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DC-DC Solutions (MOSFETs)
Overview
This webcast begins with recent advances in MOSFET technology and products for 48V-in applications, including recommendations for power-over-Ethernet. Advances in low-voltage MOSFETs for point-of-load applications are also discussed, including how Fairchild is meeting the challenges of providing smaller packaging with lower thermal resistance. In addition, an enhanced version of FETBench is introduced, a "live" data-sheet environment on the web that provides advanced MOSFET selection capability and performance simulation - including thermal - for conditions you specify.
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Motor Solutions
Overview
This webcast reviews asynchronous, brushless DC and low voltage DC systems. We demonstrate thermal calculations for a low voltage DC application and review the design of a frequency inverter. The issues of optoisolation are also discussed including the power supply circuit needed for the inverter, covering AC/DC and PFC considerations.
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archived webcast only
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events in this series
Electromagnetic Compatibility Design for Power Supplies
Overview
Controlling high frequency noise generation and radiation is critical
to meet emission standards and proper operation. This presentation
provides an explanation of the different sources of electromagnetic
noise in a power supply, how it is measured, and cost-effective
design techniques used to meet the applicable emissions standards
and to prevent noise from disrupting normal operation.
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Choosing the Right Switches for SMPS, UPS, Welding & Motors
Overview
Choosing the best power switch for the circuit topology is critical
to achieving optimal performance. This presentation will review
and compare various topologies, technologies, and design considerations
in selecting components.
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Practical Control Design for Power Supplies
Overview
This presentation provides an understanding of the critical aspects
of a closed loop control system and details how to design a stable
power supply with adequate transient response.
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What Every Designer Should Know About MOSFETs (up to 200V)
Overview
Low voltage MOSFET development today is following two distinct trends
- high frequency SMD switch MOSFETs that are popular in computing
and consumer applications and through hole (mostly TO-220/D2PAK)
MOSFETs used in higher power, lower frequency industrial applications.
This presentation looks into the design challenges for a typical
application in each of these categories.
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Low Level AC Measurements
Overview
Designing and deploying the new breed of “green” power devices requires an increased level of sophistication that generally exceeds the accuracy, precision (repeatability) and resolution capability of many “in house” labs in terms of testing and measuring harmonics, power factor, ultra-low wattage and other design parameters. This online seminar will explore the nuances of commercial test instrumentation that with their dazzling array of functions address specific application demands.
Seminar in English (Registration
required) Presented by: Kevin Parmenter
If you are not yet a registered user, please click
here to register.
Running Time: 22 minutes
