BUCK
Buck converter topology
A switching converter arrangement used to produce a lower DC output from its input under the documented operating conditions.
Schematic / SLD
Symbols · BOOST
Boost converter topology
A switching converter arrangement used to obtain a higher DC output from its documented input range.
Schematic / SLD · BOOST
What it represents
A switching converter arrangement used to obtain a higher DC output from its documented input range.
On a schematic, identify the input inductor, controlled switch and output transfer path and trace the boosted output, feedback and return circuit. Keep the component tag and signal/reference names consistent across the control drawing, terminal schedule and device documentation.
A boost topology steps up in its intended mode; the output-disconnection behaviour depends on the actual switching arrangement.
The preview is a conceptual topology reference rather than a complete power-stage circuit. Switching sequences, magnetic design, component selection and control/protection details belong in the equipment design documentation.
How to read it
- Identify the input inductor, controlled switch and output transfer path.
- Trace the boosted output, feedback and return circuit.
Information to show or reference
- Label the input inductor, controlled switch and output transfer path.
- Cross-reference the boosted output, feedback and return circuit.
- Add the selected device or circuit documentation revision, power/reference connections and project signal convention.
A distinction that matters
A boost topology steps up in its intended mode; the output-disconnection behaviour depends on the actual switching arrangement.
Sources you can follow
These public references support the explanation and provide further detail. Their graphics and downloadable files remain with their publishers.
Power topology selection and public topology tutorials
Public primary manufacturer documentation establishes the component function or circuit/topology relationship. Preview geometry and drafting explanations are independently authored.
About this graphic
This illustration was authored independently by Elora Grid to explain the concept. It is not reproduced from a customer drawing, an official standard graphic or a manufacturer CAD file. Its correspondence to an exact IEC or IEEE symbol identifier has not been certified.
SVG and DXF downloads contain this original artwork. DXF uses unscaled drawing units; a GA envelope supplies no product dimensions, clearances or fabrication information. Original artwork is available under CC BY 4.0. Third-party references retain their own terms.
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