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12Volt 1Amper Ayarlı Güç Kaynağı Devresi

Konusu 'Güç Kaynakları - Besleme Devreleri' forumundadır ve guclusat tarafından 8 Temmuz 2012 başlatılmıştır.

  1. guclusat
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    guclusat Tanınmış Üye Süper Moderatör

    Katılım:
    14 Haziran 2009
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    Ödül Puanları:
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    POWER SUPPLY WITH ADJUSTABLE OUTPUT 0-15V / 1A
    The objective of the schematic is to create a power supply that would produce an output of 0 V to 15 V at 1 A current.



    1. - 2N3055 – a complementary Silicon Epitaxial-Base planar NPN transistor mounted in TO-3 metal case for use as power transistor
    2. - Bridge Diode – also known as bridge rectifier which has four diodes arranged in a bridge configuration where the output voltage has the same polarity with either polarity of the input voltage
    3. Adjustable-Regulated-Power-Supply-0-15V-1A.jpg
    The construction of this power supply schematic is very simple in such a way that the components used are easy to be located while the cost is very cheap. With the biggest provided current at 1 A, the output voltage is adjusted for minimal ripple effect and stabilized in the range of 0 V to 15 V DC. This is made possible by the standard transformer output of 1.5 A with a primary winding voltage of 220 V and secondary voltage of 18 V. The current is being limited by the Zener diode D1 with a rating of 18 V and 1.5 W. The linear potentiometer R2 is responsible for the regulation of current.

    The power transistor Q1 is a classic type that would require to be placed in a suitable heatsink to suppress the high heat dissipation during the operation of the circuit. The heat dissipation will be continuous during the presence of the highest current. The bridge diode GR1 will provide full wave rectification from the AC input which will also convert the incoming alternating current (AC) input into direct current (DC) output. One good feature of the bridge diode is maintaining the same polarity of the output regardless of the polarity of the input.

    Components List:

    R1 = 56ohm 2Watt
    R2 = 330ohm Linear potensiometer
    C1 = 2200uF 35V
    C2 = 100uF 35V
    C3 = 10uF 25V
    C4 = 220uF 25V
    C5 = 100nF 100V
    GR1 = 4 X 1N4007
    Q1 = 2N3055
    T1 = 220V@18V 1.5A
    D1 = 18V 1.5W zener


    The 15V/1 A power supply may be used to handle home automation control system which can be powered by 12 Vdc. They can be made into power adapter models to support a wide variety of applications such as TFT monitors, broadcasting, laptops, digital cameras, telecommunications, PSP’s, routers, notebooks, guitar effects pedals, KVM extenders, iPod’s, scanners, CCTV’s, printers, cassette players, radios, and other portable applications.
     
    Son düzenleme: 24 Aralık 2015
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