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MPZ2012S221A Datasheet(PDF) 15 Page - STMicroelectronics

Part # MPZ2012S221A
Description  38 V, 10 W synchronous iso-buck converter for isolated applications
PDF  56 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

MPZ2012S221A Datasheet(HTML) 15 Page - STMicroelectronics

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Figure 13. Switching frequency trend with spread spectrum feature activated
5.2
Transformer
The transformer is the key component for the iso-buck, ensuring the desired isolation as well as allowing the
energy transfer to the secondary side, hence generating the secondary isolated output voltage.
More details about the transformer selection are provided in the dedicated section (see Section 10.2 Transformer
selection).
5.3
Secondary side
The secondary side includes an LC filter (secondary winding of the transformer and secondary output capacitor)
and the rectifying element (Schottky diode).
L6983I
Transformer
DS14040 - Rev 1
page 15/56



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