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| Part Number | UCC3585N | UCC3581N | UCC3585D | UCC3585M |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | Unitrode | Unitrode | Texas Instruments |
| Product Status | Obsolete | Active | Active | Obsolete |
| Output Type | Transistor Driver | Transistor Driver | Transistor Driver | Transistor Driver |
| Function | Step-Down | Step-Up, Step-Down, Step-Up/Step-Down | Step-Down | Step-Down |
| Output Configuration | Positive | Positive, Isolation Capable | Positive | Positive |
| Topology | Buck | Buck, Boost, Flyback, Forward Converter | Buck | Buck |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Output Phases | 1 | 1 | 1 | 1 |
| Voltage - Supply (Vcc/Vdd) | 3V ~ 5.5V | 6.8V ~ 15V | 3V ~ 5.5V | 3V ~ 5.5V |
| Frequency - Switching | 500kHz | Up to 100kHz | 500kHz | 500kHz |
| Duty Cycle (Max) | 100% | 84% | 100% | 100% |
| Synchronous Rectifier | Yes | No | Yes | Yes |
| Clock Sync | No | Yes | No | No |
| Serial Interfaces | - | - | - | - |
| Control Features | Current Limit, Enable, Frequency Control, Soft Start | Current Limit, Enable, Frequency Control, Soft Start | Current Limit, Enable, Frequency Control, Soft Start | Current Limit, Enable, Frequency Control, Soft Start |
| Operating Temperature | 0°C ~ 85°C (TA) | 0°C ~ 70°C (TA) | 0°C ~ 85°C (TA) | 0°C ~ 85°C (TA) |
| Mounting Type | Through Hole | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 16-DIP (0.300", 7.62mm) | 14-DIP (0.300", 7.62mm) | 16-SOIC (0.154", 3.90mm Width) | 16-SSOP (0.154", 3.90mm Width) |
| Supplier Device Package | 16-PDIP | 14-PDIP | 16-SOIC | 16-SSOP |
