Velleman-projects K7203 Assembly instructions Manuel d'utilisateur

3 TO 30VDC / 3A POWER SUPPLY K7203 ILLUSTRATED ASSEMBLY MANUAL H7203IP-1 Total solder points: 57 Difficulty level: beginner 1  2  3  4 

10 13. PCB layout. PCB

11 14. Diagram Diagram VC10AC7R3680V-NON INVVOLTAGE ADJUSTRV110KIC1REF51372364NCNCNCNC1493182ACC510000uD26A6D16A6D46A6D36A6V+C2100n12 11MJ3001T1D56A

Modifications and typographical errors reserved © Velleman Components nv. H7203IP - 2010 - ED1 (Rev.1) VELLEMAN Components NV Legen Heirweg 33 9890 Ga

2 This kit is meant as an auxiliary or as a permanent power supply for all common Velleman kits based on a stabilized DC voltage between 3 and 30V pro

3 Assembly hints 1. Assembly (Skipping this can lead to troubles ! ) Ok, so we have your attention. These hints will help you to make this project s

4 Assembly hints 1.3 Soldering Hints : 1- Mount the component against the PCB surface and carefully solder the leads 2- Make sure the solder j

5  R1 : 8K2 (8 - 2 - 2 - B)  R2 (Uout = output voltage) Uout 3...8V : 5K6 (5 - 6 - 2 - B) Uout 8...30V : 2K2 (2 - 2 - 2 - B)  R3

6 Construction  IC1 : UA723D 9. Power transistor M3 NUTM3 BOLTLOCK WASHERTRANSISTORHEATSINKPCBFig 1.0  T1 : MJ3001 or 2N6284G Apply some th

7 Assembly into a housing Depending on the transformer used, one may chose one of two housings with the following reference nr. for ordering: L750 or

8 Depending on the output voltage needed, one should chose the right transformer for connection to the circuit according to the table in the parts lis

9 TRANSFORMER+OUTACGNDACK7203MAINSLOADNFLDesired regulated output voltage R2 Desired transformer ordercode only @230VAC Desired fuse 230VAC Desired