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5V/1A power supply circuit

2014-11-20 14:57  
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This article describes a 5V/1A power supply circuit. The circuit is relatively simple, it is easy to grasp. Here you'll read the following diagram combine text bar. If you want a thorough understanding of the principles of the circuit, I suggest you can go to find out the important components of the circuit: LM7815  and so on.
TECHNICAL CHARACTERISTICS:

Tendency of entry: 220V AC

Tendency of expense: 5V DC

Current of expense: 1A

 

5V/1A Power Supply

 

Materially:

C1

1000mF/16V electrolytic

C2, C4

100nF polyester

C3

100mF/16V electrolytic

d1-4

4 x 1N4004 or bridge of passages 50V – 1A

U1

LM7805

T1

Transformer of catering 220V/9V – 1A

 

Notes:

 

Changing the prices of certain elements we can have different tendency of expense:

U1T1C1C3Tendency of expense
LM7805220V/9V – 1A1000mF/16V100mF/16V5V
LM7806220V/9V – 1A1000mF/16V100mF/16V6V
LM7809220V/12V – 1A1000mF/25V100mF/16V9V
LM7812220V/15V – 1A2200mF/25V100mF/16V12V
LM7815220V/18V – 1A2200mF/35V100mF/25V15V
LM7818220V/24V – 1A2200mF/35V100mF/25V18V
LM7824220V/30V – 1A2200mF/40V100mF/35V24V

 


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