Using a Current Mode PWM Controller in Voltage Mode

Focus:

Although PWM controllers with current-mode control are more common than those with voltage-mode control, voltage-mode control is recommended under certain application conditions. For these cases. it's possible to configure a current-mode PWM controller to operate under voltage-mode control.

What you’ll learn:

• How to operate a current-mode PWM controller in voltage mode
• How to configure the UCC2808A controller to operate in voltage mode without adding many components
• How to know when to apply voltage-mode control

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Author & Publication:

Dimitry Dobrenko, Engineer-Specialist Power Supply Design, Alvarion, Petach, Tikva Israel, Power Electronics Technology, Jan 01 2004

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