Ultra Low-cost Isolated DC-DC Converter with SN6501

The new SN6501 transformer driver in combination with the new center-tap transformers from Wuerth-Electronics/Midcom allows for ultra low-cost isolated DC-DC converter designs with very small form factors. This apps-note show two circuits with unregulated and regulated outputs and their measured performance characteristics for a wide range of transformers from Wuerth-Electronics/Midcom, Coilcraft, and Murata.

For detailed information consult the SN6501 data sheet and its extensive application section.

Kind regards, Thomas

Thomas Kugelstadt

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Thomas Kugelstadt over 13 years ago

In combination with the new low-saturation transformers from Wuerth, even the unregulated output voltage shows a fairly flat characteristic so that in most cases an LDO is not required and the circuits performas well with just two 1uF ceramic capacitors. TK
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Thomas Kugelstadt over 13 years ago

In combination with the new low-saturation transformers from Wuerth, even the unregulated output voltage shows a fairly flat characteristic so that in most cases an LDO is not required and the circuits performas well with just two 1uF ceramic capacitors. TK
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Ultra Low-cost Isolated DC-DC Converter with SN6501