| Linear | Switching | |
| Advantages | • Fast output transient response • Low output noise and ripple voltage • Low common-mode noise current • Cost competitive at lower output power levels ( | • High efficiency (typically 85%) relatively independent of output voltage setting • Small and light, especially at higher power • Cost effective, especially at higher power |
| Disadvantages | • Low efficiency (typically 60% or less) at full output, decreasing with lower output voltages • Large and heavy • High cost at higher power (>500 W) |
• Slow transient response to ac line and dc output load changes • High output noise and ripple voltage • High common-mode noise current |
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