Managing Currents in Dual- Synchronous Controllers

by Brant Johnson, Senior Systems Engineer, ON Semiconductor, Lowell, Mass., Power Electronics Technology, Mar 01 2004

Focus:
Determining the negative inductor currents that flow in a two-phase, dual PWM controller under no-load or light load conditions

What you’ll learn:

• How to calculate the negative inductor current that flows in a two-phase, dual synchronous controller under no-load conditions.
• How to calculate the minimum load needed to prevent negative inductor currents in two-phase, dual synchronous controllers

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