Power Supply source +5 Vdc +12 Vdc

12VDC & 5VDC power supply sourceThis power supply circuit shows a steady source of continuous power supply combined with an output of +5 VDC and +12 VDC to ground, it is estimated for designing a current of about 900mA Max, enough to power any digital circuit with a relay output,that must be taken into account is the cascade design makes total consumption is the sum of the currents provided by the two outputs. Please note that the regulator should be equipped with a heat sink.

Dual power supply 5V & 12V parts list :
R1 : 1K
C1 : 330nF
C2 : 220uF
C3, C4 : 100uF
C5, C6 : 0.1uF
D1, D2 : 1N4007
D3 LED
U1 : 7812
U2 : 7805
Bridge diode

Features : Vin: 220 Vac, Vout: +5 v and +12 VDC, Imax: 900mA

Power supply is an electronic device that supplies electric energy to an electrical load. The primary function of a power supply is to convert one form of electrical energy to another and, as a result, power supplies are sometimes referred to as electric power converters. Some power supplies are discrete, stand-alone devices, whereas others are built into larger devices along with their loads. Examples of the latter include power supplies found in desktop computers and consumer electronics devices.


Tags: 12VDC 5VDC digital circuit power supply Dual power supply Power Supply source

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