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| Part Number | UC2844DTR | UC2845DTR | UC2842DTR | UC2843DTR | UC2844ADTR | UC2844D8TR | UC2844DR |
|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Active | Active | Active | Active | Active | Active | Active |
| Output Type | Transistor Driver | Transistor Driver | Transistor Driver | Transistor Driver | Transistor Driver | Transistor Driver | - |
| Function | Step-Up, Step-Down, Step-Up/Step-Down | Step-Up, Step-Down, Step-Up/Step-Down | Step-Up, Step-Down, Step-Up/Step-Down | Step-Up, Step-Down, Step-Up/Step-Down | Step-Up, Step-Down, Step-Up/Step-Down | 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 | - |
| Topology | Boost, Buck, Flyback, Forward | Boost, Buck, Flyback, Forward | Boost, Buck, Buck-Boost, Flyback, Forward | Boost, Buck, Buck-Boost, Flyback, Forward | Boost, Buck, Flyback, Forward | Boost, Buck, Flyback, Forward | - |
| Number of Outputs | 1 | 1 | 1 | 1 | 1 | 1 | - |
| Output Phases | 1 | 1 | 1 | 1 | 1 | 1 | - |
| Voltage - Supply (Vcc/Vdd) | 12V ~ 28V | 12V ~ 28V | 12V ~ 28V | 12V ~ 28V | 10V ~ 30V | 12V ~ 28V | - |
| Frequency - Switching | Up to 500kHz | Up to 500kHz | Up to 500kHz | Up to 500kHz | Up to 500kHz | Up to 500kHz | - |
| Duty Cycle (Max) | 48% | 48% | 97% | 97% | 48% | 48% | - |
| Synchronous Rectifier | No | No | No | No | No | No | - |
| Clock Sync | No | No | No | No | No | No | - |
| Serial Interfaces | - | - | - | - | - | - | - |
| Control Features | Frequency Control | Frequency Control | Frequency Control | Frequency Control | Frequency Control | Frequency Control | - |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | - |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | - |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | - |
| Supplier Device Package | 14-SOIC | 14-SOIC | 14-SOIC | 14-SOIC | 14-SOIC | 8-SOIC | - |
