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| Part Number | UC2845AQD | UC2845AQD8 | UC2845AQDR | UC2843AQD | UC2844AQD | UC2845AD | UC2845AQ |
|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Microchip Technology | Texas Instruments |
| Product Status | Discontinued at Digi-Key | Active | Active | Obsolete | Obsolete | Obsolete | Active |
| 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-Up/Step-Down | Step-Up | Step-Up, Step-Down, Step-Up/Step-Down | Step-Up, Step-Down | Step-Up, 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, Buck, Flyback, Forward | Boost, Buck, Flyback, Forward | Boost, Buck, Flyback, Forward | Boost, Buck, Flyback, Forward | Boost, Buck, Flyback, Forward | Boost, Buck, Flyback, Forward | 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 | 7.6V ~ 30V | 7.6V ~ 30V | 10V ~ 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% | 96% | 48% | 48% | 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 | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 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) | 14-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-SOIC | 14-SOIC | 14-SOIC | 14-SOIC | 14-SOIC | 14-SOIC |
