CIRCUIT · DC DC CONVERTER

DC-DC Converter Circuit Diagram Examples

Designing a DC‑DC converter requires a clear circuit diagram to ensure proper component selection, layout, and functionality. This gallery features ready‑to‑use circuit schematics for the most common DC‑DC converter topologies—buck, boost, SEPIC, and isolated flyback—each tested with real component values and configurations.

4 EXAMPLES· UPDATED 2026-06-19
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ABOUT

About these examples.

Whether you're prototyping a battery charger, building a power supply, or integrating regulation into an IoT device, these examples give you a head start. You can copy any diagram directly into our online circuit diagram maker to adapt voltages, swap components, or add your own notes—no software installation required.

HOW TO

Make one yourself.

  1. 1

    Choose a topology

    Decide whether you need step‑down (buck), step‑up (boost), buck‑boost (SEPIC), or isolated conversion (flyback) for your power supply requirements.

  2. 2

    Select the core IC and passive components

    Browse our library of common converter ICs (like LM2596, LT1370) and drag in inductors, capacitors, diodes, and resistors.

  3. 3

    Connect nodes and verify the circuit

    Use the smart‑wiring tool to link components; the editor highlights missing connections to avoid floating nodes.

  4. 4

    Customize labels and values

    Annotate pin functions, add voltage/current notes, and adjust component values to match your specific design.

  5. 5

    Export or share

    Download as PNG, SVG, or PDF, or generate a shareable link to collaborate with your team.

FAQ

Frequently asked questions

What is a DC‑DC converter circuit diagram?01
It is a schematic representation of a DC‑DC converter showing how components like inductors, capacitors, switches, and diodes are interconnected to change a DC input voltage to a different DC output voltage.
Can I edit the example circuit diagrams before using them?02
Absolutely. All example diagrams are fully editable in our online maker—you can change component values, swap parts, or modify connections to fit your exact application.
Which topologies are supported in the tool?03
You can design buck, boost, buck‑boost, SEPIC, flyback, push‑pull, and many other switching regulator topologies. The component library covers most standard ICs and passives.
Is the circuit diagram maker free to use?04
Yes, the core diagramming features are free. You can create unlimited DC‑DC converter schematics and export them without cost. Premium features like real‑time collaboration are available on paid plans.
Can I simulate the circuit?05
The maker focuses on schematic capture; simulation is not built in. However, you can export the netlist and import it into SPICE tools for analysis.
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