5 Volt/1.5A Switching Power Supply based TNY264P

5V Switching Power SupplyIn recent years, this family of MC reached great popularity, they can be found on the DVD-player, modem, DSL, cost-supplying device, waiting for power supplies, etc. And in fact they went on the radio market very quickly.

In fact, the figure of the power supply has two additional outputs for 3 and 9V.But in this series only has 5 V output. This circuit can be used to add power to usb devices like external hard disks.

Parts list :

Element

Nominal

Note

R1

150kOm 1W

5%

R2

4.7 MW 0.25 W

5% (2.2 + 2.5 milliohms milliohms can not set)

R3

5.6 kOhm

5%

R4

4.7

5%

R5

270

5% (selection)

R6

100

5% (selection)

C1, C2

4.7 uF/400V

Nizkoimpendansny

C3, C5

0.1 uF/50V

Ceramics

C4

3300/1kV

Ceramics

C6, C7

470uF/10V

Nizkoimpendansny

Z1

300V 2A

TR1

33Om

NTC

U1

PC817

D1

1N4937, UF4005

1A 600V

D2

1N4148

D3

IR0416L

5A Schottky

DA1

TNY246P

F1

0.5 A 250V

DR1, DR2

47mkGn 0.3 A

You can not put

DR3

3.3 uH 3A

You can not put

ZD1

1N5229, BZX79C4V3

4,3 B 20mA, 5mA

BR1

RB157

Any other -> 0,5 A> 400

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.


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  1. author

    MIlos3 years ago

    if anyone knows the value transformer W1. W2, W3.
    Thanks in advance. Output current up to 1A
    cross-section of the wire, the number of studs, at e16 body.