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| Part Number | NCP1571DR2G | NCP1579DR2G | NCP1575DR2G | NCP1581DR2G | NCP1561DR2G | NCP1571DR2 |
|---|---|---|---|---|---|---|
| Manufacturer | onsemi | onsemi | onsemi | onsemi | onsemi | onsemi |
| Product Status | Obsolete | Active | Obsolete | Obsolete | Active | Obsolete |
| Output Type | Transistor Driver | Transistor Driver | Transistor Driver | Transistor Driver | - | Transistor Driver |
| Function | Step-Down | Step-Down | Step-Down | Step-Down | - | Step-Down |
| Output Configuration | Positive | Positive | Positive | Positive | - | Positive |
| Topology | Buck | Buck | Buck | Buck | - | Buck |
| Number of Outputs | 1 | 1 | 1 | 1 | - | 1 |
| Output Phases | 1 | 1 | 1 | 1 | - | 1 |
| Voltage - Supply (Vcc/Vdd) | 7.5V ~ 15V | 4.5V ~ 13.2V | 7.5V ~ 20V | 6.3V ~ 20V | - | 7.5V ~ 15V |
| Frequency - Switching | 200kHz | 275kHz | 280kHz | 400kHz | - | 200kHz |
| Duty Cycle (Max) | - | 75% | - | 85% | - | - |
| Synchronous Rectifier | Yes | Yes | Yes | Yes | - | Yes |
| Clock Sync | No | No | No | No | - | No |
| Serial Interfaces | - | - | - | - | - | - |
| Control Features | Power Good | Enable, Phase Control | Frequency Control | Enable, Soft Start | - | Power Good |
| Operating Temperature | 0°C ~ 125°C (TJ) | 0°C ~ 70°C (TA) | 0°C ~ 125°C (TJ) | 0°C ~ 125°C (TJ) | - | 0°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | - | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) | - | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC | 8-SOIC | 8-SOIC | 14-SOIC | - | 8-SOIC |
