Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
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Hello everyone, I'm looking for a circuit for a DC to DC converter circuit that inputs 12v and outputs 15v at around 3-4A. Can anyone suggest a way of achieving this without using an expensive IC? I'm on a tight budget you see. Thanks for any help
Attached is the schematic of a circuit to convert 12V to 15V at 4A. I'm not sure what you consider expensive but the total BOM is $4.55 USD. The schematic was generated using one of the WEBENCH design tools on the National Semiconductor website. I've personally found it very useful in the past. Here's a link:
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