| AC-DC Buck |
| Part No. | Vin(Vac) | Vout(V) | IOMax @85℃(mA) | Iq(mA) | Freq_Max | Vout Accuracy | HV Startup | VDD UVLO(V) | VDD OVP(V) | OCP/OLP | OTP | Package |
| OB2222EC | 90~264 | 5 | 150 | 1.5 | 40KHz | ±5% | / | 11.5/3.7 | 15 | Yes | Yes | SOP8 |
| OB2222MC | 90~264 | 5 | 250 | 1.5 | 40KHz | ±5% | / | 11.5/3.7 | 15 | Yes | Yes | SOP8 |
| OB2222LMC | 90~264 | 5 | 300 | 1.5 | 40KHz | ±5% | / | 11.5/3.7 | 15 | Yes | Yes | SOP8 |
| OB2225NC | 90~264 | 12 | 300 | 1 | 40KHz | ±5% | / | 13.5/7.2 | 16 | Yes | Yes | SOP8 |
| OB2225Nx | 90~264 | 12 | 300 | 1 | 40KHz | ±5% | Yes | 13.5/7 | 17.5 | Yes | Yes | SOP8 |
| OB2225RC | 90~264 | 12 | 400 | 1 | 40KHz | ±5% | / | 13.5/7.2 | 16 | Yes | Yes | SOP8 |
| OB2225Rx | 90~264 | 12 | 450 | 1 | 40KHz | ±5% | Yes | 13.5/7 | 17.5 | Yes | Yes | SOP8 |
| OB2235NC | 90~264 | 12 | 300 | 1 | 40KHz | ±5% | Yes | 13.5/7 | 17.5 | Yes | Yes | SOP8 |
| OB2235NA | 90~264 | 12 | 350 | 1 | 40KHz | ±5% | Yes | 13.5/7 | 17.5 | Yes | Yes | DIP8 |
| OB2235NAS | 90~264 | 12 | 350 | 1 | 40KHz | ±5% | Yes | 13.5/7 | 17.5 | Yes | Yes | DIP7 |
| OB2235RA | 90~264 | 12 | 500 | 1 | 40KHz | ±5% | Yes | 13.5/7 | 17.5 | Yes | Yes | DIP8 |
| OB2235RAS | 90~264 | 12 | 500 | 1 | 40KHz | ±5% | Yes | 13.5/7 | 17.5 | Yes | Yes | DIP7 |
| OB2228GNC | 90~264 | 18 | 300 | 1 | 40KHz | ±5% | / | 14.8/7.5 | 21 | Yes | Yes | SOP8 |
| OB2228GRC | 90~264 | 18 | 400 | 1 | 40KHz | ±5% | / | 14.8/7.5 | 21 | Yes | Yes | SOP8 |
| OB2228PRC | 90~264 | 18 | 350 | 1 | 40KHz | ±5% | Yes | 13.5/7 | 22.8 | Yes | Yes | SOP8 |
| OB2238NA | 90~264 | 18 | 250 | 1 | 40KHz | ±5% | Yes | 13.5/7 | 22.8 | Yes | Yes | DIP8 |
| OB2238RA | 90~264 | 18 | 400 | 1 | 40KHz | ±5% | Yes | 13.5/7 | 22.8 | Yes | Yes | DIP8 |
