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    Schematic PDF

    Uploaded by

    Javier Ramirez
    This document provides a circuit diagram for a mini 12V 10A switching mode power supply (SMPS). The circuit uses a flyback transformer, MOSFET transistor, and integrated circuits including a UC3843A switching regulator IC to convert AC input voltage to a regulated 12V DC output. Protection components like fuses and capacitors are included to protect the circuit from voltage fluctuations and component failures.

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    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd

    Schematic PDF

    Uploaded by

    Javier Ramirez
    43 views1 page
    This document provides a circuit diagram for a mini 12V 10A switching mode power supply (SMPS). The circuit uses a flyback transformer, MOSFET transistor, and integrated circuits including a UC3843A switching regulator IC to convert AC input voltage to a regulated 12V DC output. Protection components like fuses and capacitors are included to protect the circuit from voltage fluctuations and component failures.

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    Original Title

    SCHEMATIC.pdf

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    This document provides a circuit diagram for a mini 12V 10A switching mode power supply (SMPS). The circuit uses a flyback transformer, MOSFET transistor, and integrated circuits including a UC3843A switching regulator IC to convert AC input voltage to a regulated 12V DC output. Protection components like fuses and capacitors are included to protect the circuit from voltage fluctuations and component failures.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    43 views1 page

    Schematic PDF

    Uploaded by

    Javier Ramirez
    This document provides a circuit diagram for a mini 12V 10A switching mode power supply (SMPS). The circuit uses a flyback transformer, MOSFET transistor, and integrated circuits including a UC3843A switching regulator IC to convert AC input voltage to a regulated 12V DC output. Protection components like fuses and capacitors are included to protect the circuit from voltage fluctuations and component failures.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    of 1

    1 2 3 4 5

    A A

    T1
    FlybackTransformer
    3 3

    8 8
    R3
    330K R8 C7
    100K 2.2NF D2
    RL207
    C3 4 4
    47uF D4
    R9 D3 1 1 MBR20100CL
    R6 10R FR107
    GND 10R 6 6
    +
    C4
    C11

    2
    100NF C8 C9
    B 100NF B
    2 2 5 5
    1000uF 1000uF
    Q1 -
    8
    7
    6
    5
    R2 1 7N60
    VREF
    VCC
    OUT
    GND
    10K
    GND

    3
    C2 R7
    120UF U1 10K
    UC3843AN
    ISENSE GND
    COMP

    RTCT
    C12
    2.2NF R5 R4
    FB

    GND 330R 0.22R


    1
    2
    3
    4

    C10
    GND
    4
    3
    2
    1

    100NF
    D1 C5 C6
    -
    AC
    AC
    +

    KBP310 1nF 1nF R10

    3
    10K
    1 U4
    TL431
    GND

    2
    1

    C U3 C
    PC817 R13
    U2 3 2 2.2K
    EMI FILTER GND
    4 1 R14
    2

    R11 R12 1K
    C1 560R 10K
    0.1UF 275VAC
    1

    R1
    5D-9
    U7
    Fuse
    2

    D D
    P1

    TITLE:
    1
    2

    MINI 12V 10A SMPS REV: 1.0


    INPUT
    Company: KD CREATIVITY Sheet: 1/1
    Date: 2022-07-09 Drawn By: Divyansh
    1 2 3 4 5

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