-48-V to 10-V Power Converter Using Push-Pull Topology

by Bob Bell, Application Engineer, and Grant Smith, Application Engineer, National Semiconductor, Phoenix, Power Electronics Technology, Oct 01 2004

Focus:
A push-pull converter generates a +10-V supply from a -48-V input, enabling low output ripple, reliable overload protection,and simple loop compensation.

What you’ll learn:

• How to generate a positive bias supply rail from a -48-V supply
• How to use the LM5030 PWM controller to implement a boost converter based on a push-pull topology

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