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AN2383 Datasheet(PDF) 9 Page - STMicroelectronics |
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AN2383 Datasheet(HTML) 9 Page - STMicroelectronics |
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9 / 39 page ![]() AN2383 Schematic Doc ID 12433 Rev 3 9/39 3.2 Isolated power supply Figure 3. Isolated power supply, 5 and 15 volt An isolated power supply is connected immediately after the mains filtering, without passing through the safety relay. A VIPer22A and a simple voltage regulator provide 15 and 5 volts respectively. The power supply ground is isolated from the system ground. +5V D10 STPS2H100 + C23 10µF 400V R47 24K R38 1K R39 1K TP 15 R4 8 4K7 C40 22nF 1 2 FB 3 VDD 4 5 6 7 8 U4 VIPer22A TP 16 3 4 8 5 2 1 T1 TRONIC 1 2 4 3 ISO1 815 ACN D14 BAR4 6 D15 PKC-136 ACL +C25 10µF 35V C4 1 2n2Y VIN 1 VOUT 3 2 GN D U6 L7805CV C24 100nF +15V +15V R3 0 n.c. C27 33 0nF + C38 10 0µF 35 V + C29 10µF 16V C28 100 nF R29 10 L3 330µH + C26 33 0µF 35V R46 4K 7 U5 TL43 1I +15V + – ~ ~ D16 1,5A + C22 10µF 400V AI12611 F |
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