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| Part Number | SG3843DM | SG3843M | SG3845DM | SG2843DM |
|---|---|---|---|---|
| Manufacturer | Microsemi Corporation | Microsemi Corporation | Microchip Technology | Microchip Technology |
| Product Status | Discontinued at Digi-Key | Discontinued at Digi-Key | Active | Active |
| Output Type | Transistor Driver | Transistor Driver | Transistor Driver | Transistor Driver |
| Function | Step-Down | Step-Down | Step-Up/Step-Down | Step-Down |
| Output Configuration | Positive | Positive | Positive, Isolation Capable | Positive |
| Topology | Buck | Buck | Flyback | Buck |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Output Phases | 1 | 1 | 1 | 1 |
| Voltage - Supply (Vcc/Vdd) | 7.6V ~ 30V | 7.6V ~ 30V | 7.6V ~ 30V | 7.6V ~ 30V |
| Frequency - Switching | 1Hz ~ 500kHz | 1Hz ~ 500kHz | 1Hz ~ 500kHz | 1Hz ~ 500kHz |
| Duty Cycle (Max) | 95% | 95% | 48% | 95% |
| Synchronous Rectifier | No | No | Yes | No |
| Clock Sync | No | No | No | No |
| Serial Interfaces | - | - | - | - |
| Control Features | - | - | - | - |
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | -25°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Through Hole | Surface Mount | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-DIP (0.300", 7.62mm) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC | 8-PDIP | 8-SOIC | 8-SOIC |
