| Table 2: OFFLINE APPROACH IS CHEAPER, BUT HIGHER RIS | ||
| AC-DC power supply | Wall adapter and DC-DC power supply | |
| PWB area (in.2) | 10 | 6 |
| Component height (in.) | 0.5 | 0.3 |
| Weight (lbs) | 0.4 | 1.6 |
| Aesthetics | Integrated in product | Wall wart |
| Relative cost (10k units) | 2.5 | 2.0 |
| Relative cost (1M units) | 1.0 | 1.1 |
| UL | HV in product | Simpler approval |
| Relative time-to-market | Additional 2 to 4 weeks | Baseline |
| Relative risk | Highest | Lowest |