Voltage vs. Current Mode Control Current Sharing in a PolyPhase DC/DC Converter

Focus:

Although it's possible to implement current sharing in multiphase (also known as polyphase) buck converters using either voltage-mode control or current-mode control, the latter method is easier to implement.

What you’ll learn:

• How to understand advantages of current-mode control on current sharing in multiphase buck converters
• How to understand operation of voltage-mode and current-mode control
• How to understand the impact of current-mode control versus voltage-mode control on dynamic current sharing

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Author & Publication:

Henry Zhang, Applications Engineering Manager for Power Products, Linear Technology, YouTube, Dec 08 2008

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