| Symptom | Likely Cause | Solution | | :--- | :--- | :--- | | No output voltage | EN pin floating or low | Pull EN to VIN via 10kΩ resistor | | Output voltage lower than expected | Incorrect FB resistor divider | Recalculate; ensure R_bottom is correct | | Excessive heat at low load | Inductor saturation or wrong value | Use 10µH inductor with >3.5A rating | | Loud audible noise | Loop instability / poor compensation | Adjust COMP pin RC network (use 10nF + 10kΩ) | | Output voltage spikes | Insufficient output capacitance | Add a 100µF low-ESR electrolytic cap |
For specific official resources or access to these study modules, you can often find them through specialized education portals like the ERIC Educational Resources Information Center , which archives various academic catalogs and study guides. juny085 full
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