Type[20] |
Power
[W] |
Relative cost |
Input range
[V] |
Energy storage |
Features |
Flyback |
0–250 |
1.0 |
5–600 |
Mutual Inductors |
Isolated form of the buck-boost converter.1 |
Ringing choke converter (RCC) |
0–150 |
1.0 |
5–600 |
Transformer |
Low-cost self-oscillating flyback variant.[25] |
Half-forward |
0–250 |
1.2 |
5–500 |
Inductor |
Forward2 |
100-200 |
|
60–200 |
Inductor |
Isolated form of buck converter |
Resonant forward |
0–60 |
1.0 |
60–400 |
Inductor and capacitor |
Single rail input, unregulated output, high efficiency, low EMI.[26] |
Push-pull |
100–1,000 |
1.75 |
50–1,000 |
Inductor |
|
Half-bridge |
0–2,000 |
1.9 |
50–1,000 |
Inductor |
|
Full-bridge |
400–5,000 |
>2.0 |
50–1,000 |
Inductor |
Very efficient use of transformer, used for highest powers. |
Resonant, zero voltage switched |
>1,000 |
>2.0 |
|
Inductor and capacitor |
|
Isolated Ćuk |
|
|
|
Two capacitors and two inductors |
|