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MPZ2012S221A Fiches technique(PDF) 18 Page - STMicroelectronics

No de pièce MPZ2012S221A
Description  38 V, 10 W synchronous iso-buck converter for isolated applications
PDF  56 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

MPZ2012S221A Fiches technique(HTML) 18 Page - STMicroelectronics

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Figure 18. Secondary output line regulation (VOUT_prim = 5 V, fSW = 400 kHz, N = 6 )
-20%
-15%
-10%
-5%
0%
5%
10%
15%
20%
8
12
16
20
24
28
32
Input voltage [V]
Iout_iso = 100mA
Iout_iso = 200mA
Iout_iso = 300mA
The input voltage value influences the peak current in the secondary winding (see Figure 19), hence determining
the amount of energy delivered to the secondary output and in turn the isolated output voltage value.
Figure 19. Secondary winding current at different input voltages
L6983I
Output voltage line regulation
DS14040 - Rev 1
page 18/56



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