In 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 |
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.