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Generic Power Supply

1 year ago 221
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Description

This is a compact 3 output power supply. The input is a centered tapped transformer with output voltage of at least 24 VAC.

The PTC devices may be bypassed if desired. The diodes are optional, depending on the nature of the load. Use them to protect the regulators if the load contains a large filter capacitor.

Copyright 2019 by Mark S. Cohen [email protected]

Documents

Sheet_1

Generic Power Supply

Generic triple supply

BOM

ID Name Designator Footprint Quantity BOM_Manufacturer Part
1 L78M05ABDT-TR U1,U2 TO-252-2 2 L78M05ABDT-TR
2 KBU606 D3 BRIDGE-WOB 1 KBU606
3 7912S U3 TO-252-2(2) 1 ?
4 1u C2,C3,C5 0805 3 ?
5 18ga pad AC1,AC2,CT 18GA PAD 3 18ga pad
6 LED-5MM LED1 LED-5MM/2.54 1 5AR2ST10
7 PTC PTC2,PTC1 DIP-PTC-6.5MMX3.8MM 2 PTCSL03T091DT1E
8 1k R1 0805 1 ?
9 1N4448 D1,D2,D4 DO-35 3 1N4448
10 Header-Female-2.54_1x4 P1,P2,P3 HDR-4X1/2.54 3 Header-Female-2.54_1x4
11 470u C1,C4 CAP-Z-8*16 2 ?

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