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| Part Number | UC2842N | UC2842P | UC2843N | UC2844N | UC2841N | UC2842AN | UC2842BN | UC2842D | UC2842J |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | STMicroelectronics | Texas Instruments | Unitrode |
| Product Status | Active | Active | Active | Active | Active | Active | Active | Active | Active |
| Output Type | Transistor Driver | Transistor Driver | 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 | Step-Up, 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 | Positive, Isolation Capable | Positive, Isolation Capable | - |
| Topology | Boost, Buck, Buck-Boost, Flyback, Forward | Boost, Buck, Buck-Boost, Flyback, Forward | Boost, Buck, Buck-Boost, Flyback, Forward | Boost, Buck, Flyback, Forward | Buck, Boost, Flyback, Forward Converter | Boost, Buck, Flyback, Forward | Boost, Flyback | Boost, Buck, Buck-Boost, Flyback, Forward | - |
| Number of Outputs | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - |
| Output Phases | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - |
| Voltage - Supply (Vcc/Vdd) | 12V ~ 28V | 12V ~ 28V | 12V ~ 28V | 12V ~ 28V | 8V ~ 32V | 10V ~ 30V | 10V ~ 30V | 12V ~ 28V | - |
| Frequency - Switching | Up to 500kHz | Up to 500kHz | Up to 500kHz | Up to 500kHz | 500kHz | Up to 500kHz | Up to 500kHz | Up to 500kHz | - |
| Duty Cycle (Max) | 97% | 97% | 97% | 48% | 95% | 96% | 96% | 97% | - |
| Synchronous Rectifier | No | No | No | No | No | No | No | No | - |
| Clock Sync | No | No | No | No | No | No | No | No | - |
| Serial Interfaces | - | - | - | - | - | - | - | - | - |
| Control Features | Frequency Control | Frequency Control | Frequency Control | Frequency Control | Current Limit, Enable, Frequency Control, Ramp, Reset, Soft Start | 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) | -25°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -25°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | - |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Surface Mount | - |
| Package / Case | 8-DIP (0.300", 7.62mm) | 8-DIP (0.300", 7.62mm) | 8-DIP (0.300", 7.62mm) | 8-DIP (0.300", 7.62mm) | 18-DIP (0.300", 7.62mm) | 8-DIP (0.300", 7.62mm) | 8-DIP (0.300", 7.62mm) | 14-SOIC (0.154", 3.90mm Width) | - |
| Supplier Device Package | 8-PDIP | 8-PDIP | 8-PDIP | 8-PDIP | 18-PDIP | 8-PDIP | 8-Mini DIP | 14-SOIC | - |
