Wurth Elelctronics Product Training Module about coupled inductors ...

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Before going in detail <strong>about</strong> couple <strong>inductors</strong> for SEPIC converters, a SEPIC converter must be defined. SEPIC stands for Single Ended Primary Inductance Converter, and this circuit offers the possibility to use the function of a buck and boost regulator in one circuit A buck converter regulates a high voltage into a smaller voltage, so input voltage is greater than output voltage. For example, like a car charger for a cell phone, 12V is converted down to 5V. A boost converter regulates a small voltage into a higher voltage, so input is smaller than output voltage. As an example: an LED driver with a 3V input converts to a 9V output. 2
Typical SEPIC applications are battery operated equipments and handheld devices powered by a battery. In addition, SEPIC is being used in NiMH charger applications, as well as, LED Drivers & DC Power Supplies with a wide range of input voltages. 3
Page 1: Welcome to Wurth Elelctronics Produ
Page 5 and 6: A coupled inductor basically consis
Page 7 and 8: Wurth Electronics‘s WE-DD series
Page 9 and 10: In addition to the WE-DD, Wurth Ele
Page 11 and 12: In order to design an effecient SEP
Page 13 and 14: A new design window opens up, and b
Page 15: In Summary, a SEPIC converter is us

Wurth Elelctronics Product Training Module about coupled inductors ...

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