| Part Number | Structure | Work Mode | Power | Output Current | MOS type | Standby power consumption | Operating Frequency | Package | |
|---|---|---|---|---|---|---|---|---|---|
| AS2639 | Buck | Flyback | Within20W | 4A | Internal | 120mW | 65kHZ | SOP-8 | |
| AS2638 | Buck | Flyback | Within120W | 10A | External | 120mW | 65kHZ | SOP-8 | |
| AS2636 | Buck | Flyback | Within120W | 5A | external | 120mW | 65kHZ | SOT23-6 |