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STD 44090 Dual PSU Regulator v2

License: Public Domain

Mode: Editors' pick

Cloned from 44090 Dual PSU Regulator v1

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Update time: 2024-01-20 10:36:52
Creation time: 2023-07-20 05:32:46

Positive and negative voltage regulator PSU made with 78XX and 79XX series voltage regulators.


The scope of the project is to provide clean -15V, GND and +15V to audio circuits. 


I created this for 44090 series Myrra transformers.


Optional JST connector for a small 12V fan "P1"


31th Aug 2023:


Corrected capacitor polarity placement and revised to v2.0b.

Design Drawing
schematic diagram
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ID Name Designator Footprint Quantity Manufacturer Part Manufacturer Supplier Contributor link
1 2.2uF C1,C2 CAP-TH_L5.0-W2.5-P5.08-D0.7 2 CT4G-1812-2X1-100V-2.2μF-K TORCH(火炬) LCSC C454386 CT4G-1812-2X1-100V-2.2μF-K
2 1uF C3,C4,C9,C10 CAP-TH_L5.0-W2.5-P5.08-D0.7 4 CD1H105KC9IER1E000 Dersonic(德尔创) LCSC C263187 CD1H105KC9IER1E000
3 100nF C5,C6 CAP-TH_L5.0-W2.5-P5.08-D0.7 2 CT4-0805B104K500F3 FH(风华) LCSC C84772 CT4-0805B104K500F3
4 4.7uF C7,C8 CAP-TH_BD5.0-P2.00-D0.8-FD 2 EGT475M1HD11RR MAN YUE(万裕科技) LCSC C406799 EGT475M1HD11RRSHP
5 100uF C11,C12 CAP-TH_BD8.0-P3.50-D0.6-FD 2 50PX100MEFC8X11.5 rubycon(红宝石) LCSC C201213 50PX100MEFC8X11.5
6 100nF C13,C14 C0402 2 CL05B104KB54PNC SAMSUNG(三星) LCSC C307331 CL05B104KB54PNC
7 4.7uF C15,C16,C17,C18 C0603 4 CL10A475KO8NNNC SAMSUNG(三星) LCSC C19666 CL10A475KO8NNNC
8 1N4007 D1,D2 DO-41_BD2.4-L4.7-P8.70-D0.8-FD 2 1N4007 YFW(佑风微) LCSC C1884551 1N4007_C1884551
9 1N4001 D3,D4,D5,D6 SMA_L4.3-W2.5-LS5.0-RD 4 1N4001 TWGMC LCSC C727079 1N4001_C727079
10 23X16X20MM H1,H2,H3,H4 TH-2P_L23.5-W16.8 4 23X16X20mm XSD(鑫顺达) LCSC C4693 23X16X20MM
11 C4201WV-2X2P OUT CONN-TH_C4201WV-2X2P 1 C4201WV-2x2P CJT(长江连接器) LCSC C239488 C4201WV-2X2P
12 PH-2A P1 CONN-TH_2P-P2.00_PH-2A_C2319 1 PH-2A BOOMELE(博穆精密) LCSC C2319 PH-2A_C2319
13 0.47R R1,R2 RES-TH_BD3.2-L9.0-P13.00-D0.5 2 RSF12JAR470 SEI(Stackpole Electronics Inc.) LCSC C2643570 RSF12JAR470
14 L7824CV U1 TO-220-3_L10.0-W4.5-P2.54-T 1 L7824CV ST(意法半导体) LCSC C262910 L7824CV
15 LM7924L U2 TO-220-3_L10.0-W4.5-P2.54-T 1 LM7924L-TA3-T UTC(友顺) LCSC C427636 7912(TO-220) //image.lceda.cn/szlcsc/C3797.jpg
16 LM7815L U3 TO-220-3_L10.0-W4.5-P2.54-T 1 LM7815L-TA3-T UTC(友顺) LCSC C71109 7812(TO-220) //image.lceda.cn/szlcsc/C45387.jpg
17 L7915CV-DG U4 TO-220-3_L10.0-W4.5-P2.54-T 1 L7915CV-DG ST(意法半导体) LCSC C2172 L7915CV-DG
18 78L10 U5 SOT-89_L4.5-W2.5-P1.50-LS4.2-BR 1 78L10 SHIKUES(时科) LCSC C122848 78L10
19 79L10 U6 SOT-89-3_L4.5-W2.5-P1.50-LS4.0-BR-1 1 79L10 SHIKUES(时科) LCSC C5309540 79L10
20 UMW78L06 U7 SOT-89-3_L4.5-W2.5-P1.50-LS4.2-BR 1 78L06-150 UMW(广东友台半导体) LCSC C347269 UMW78L06-150MA
21 79L06 U8 SOT-89-3_L4.5-W2.5-P1.50-LS4.2-BR 1 79L06 SHIKUES(时科) LCSC C122889 79L06_C122889


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