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| Part Number | UC2845BD | UC2845BN | UC2845D | UC2845BDG | UC2845BD1 | UC2843BD | UC2845AD |
|---|---|---|---|---|---|---|---|
| Manufacturer | onsemi | STMicroelectronics | onsemi | onsemi | STMicroelectronics | onsemi | Microchip Technology |
| Product Status | Obsolete | Active | Obsolete | Obsolete | Active | Obsolete | Obsolete |
| Output Type | Transistor Driver | Transistor Driver | Transistor Driver | Transistor Driver | Transistor Driver | Transistor Driver | Transistor Driver |
| Function | Step-Up, Step-Up/Step-Down | Step-Up, Step-Up/Step-Down | Step-Up, Step-Down, Step-Up/Step-Down | Step-Up, Step-Up/Step-Down | Step-Up, Step-Up/Step-Down | Step-Up, Step-Up/Step-Down | Step-Up, Step-Down |
| Output Configuration | Positive, Isolation Capable | Positive, Isolation Capable | Positive, Isolation Capable | Positive, Isolation Capable | Positive, Isolation Capable | Positive, Isolation Capable | Positive, Isolation Capable |
| Topology | Boost, Flyback | Boost, Flyback | Boost, Buck, Flyback, Forward | Boost, Flyback | Boost, Flyback | Boost, Flyback | Boost, Buck, Flyback, Forward |
| Number of Outputs | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Output Phases | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Voltage - Supply (Vcc/Vdd) | 7.6V ~ 30V | 7.6V ~ 30V | 12V ~ 28V | 7.6V ~ 30V | 7.6V ~ 30V | 7.6V ~ 30V | 7.6V ~ 30V |
| Frequency - Switching | Up to 500kHz | Up to 500kHz | Up to 500kHz | Up to 500kHz | Up to 500kHz | Up to 500kHz | Up to 500kHz |
| Duty Cycle (Max) | 48% | 48% | 48% | 48% | 48% | 96% | 48% |
| Synchronous Rectifier | No | No | No | No | No | No | No |
| Clock Sync | No | No | No | No | No | No | No |
| Serial Interfaces | - | - | - | - | - | - | - |
| Control Features | Frequency Control | Frequency Control | Frequency Control | Frequency Control | Frequency Control | Frequency Control | Frequency Control |
| Operating Temperature | -25°C ~ 85°C (TA) | -40°C ~ 150°C (TJ) | -40°C ~ 85°C (TA) | -25°C ~ 85°C (TA) | -40°C ~ 150°C (TJ) | -25°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Through Hole | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) | 8-DIP (0.300", 7.62mm) | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 14-SOIC | 8-Mini DIP | 14-SOIC | 14-SOIC | 8-SOIC | 14-SOIC | 14-SOIC |
