| Si9140 |  | SMP Controller for high performance process power supplies | 3 | 6.5 | 1.5 | 2000 | SO-16 |
| TSSOP-16 |
| Si9145 | | Low-voltage switchmode controller | 2.7 | 7 | 1.5 | 2000 | SO-16 |
| TSSOP-16 |
| Si9150 | | Synchronous Buck Converter Controller | 6 | 16.5 | 2.5 | | SO-14 |
| Si9166 | | High-Frequency Programmable Topology Controller | 2.7 | 6 | 1.3 | | TSSOP-16 |
| Si9168 | | Synchronous Buck or Boost Controller for Satellite Cellular Phone PA Using 2-Cell Li+ Battery Pack | 5 | 10 | 1.3 | | TSSOP-16 |
| SiP12201 | | Synchronous Step-Down Controller | 4.2 | 26 | 0.6 | 500 | MLP33-10 |
| SiP12201A | | 26V, 500KHz Synchronous Step Down Controller | 4.2 | 26 | | 500 | MLP33-10 |
| SiP12202 | | Synchronous Step-Down Controller | 2.7 | 5.5 | 0.6 | 500 | MLP33-10 |
| SiP12203 | | Dual 10A DC-DC Step-Down controller | 4.5 | 18 | 0.6 | 500 | MLP55-28L |
| SiP12205 | | 300 kHz Synchronous Step Down Controller | 5 | 26 | 0.6 | 300 | MLP33-10 PPAK |
| Series | Description | Vin Min (V) | Vin Max (V) | V REF V (V) | Switching Frequency | Package |
