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DC/DC Boost Converter

Built with Individual Components

DC/DC Boost Converter
DC/DC Boost Converter
There are many DC/DC converters available at low cost and with small footprints, but that’s a bit boring, isn’t it? You can learn a lot with the DC/DC boost converter described here, and you can adapt the circuit to your own needs using the downloadable KiCad files.  
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Materials

Component list

Component List

pics 005, 007

 

Resistors

(0.25 W, 5%, 0805 SMD)

R1 = 3.9 kΩ

R2,R4 = 1 kΩ

R3,R6 = 33 kΩ

R5 = 10 kΩ

 

Capacitors

C1,C8,C12 = 1 nF, 10 V, 0805 SMD

C2,C3 = 330 µF, 25 V, 10 x 10.5 mm SMD

C4 = 10 nF, 10 V, 0805 SMD

C5 = 4.7 µF, 10 V, 4 x 4.5 mm

C6 = 10 nF, 10 V, 0805 SMD

C7 = DNP

C9 = 2.2 µF, 10V, 0805 SMD

C10,C11,C13 = 100 nF, 10 V, 0805 SMD

 

 

Semiconductors

D1 = SSL14, SMA

IC1 = LM1117-5.0, SOT-223

IC2 = MCP1501-12, SOIC-8

IC3 = 74LVC1G79, SC-70-5

IC4 = NE555D, SOIC-8

IC5 = 74LVC1G08, SC-74A

IC6 = MCP6001-LT, SC-70-5

T1 = IRL8721PBF, SOT-252-3

 

Inductors

L1 = 33 µH, DR127-33-R

 

Miscellaneous

K1,K2 = 2x1 pin header, RM 2.54

 

 

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