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| Part Number | NCP1581DR2G | NCP1587DR2G | NCP1582DR2G | NCP1583DR2G | NCP1586DR2G | NCP1561DR2G | NCP1571DR2G | NCP1580DR2G |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | onsemi | onsemi | onsemi | onsemi | onsemi | onsemi | onsemi | onsemi |
| Product Status | Obsolete | Active | Obsolete | Obsolete | Obsolete | Active | Obsolete | Obsolete |
| Output Type | Transistor Driver | Transistor Driver | Transistor Driver | Transistor Driver | Transistor Driver | - | Transistor Driver | Transistor Driver |
| Function | Step-Down | Step-Down | Step-Down | Step-Down | Step-Down | - | Step-Down | Step-Down |
| Output Configuration | Positive | Positive | Positive | Positive | Positive | - | Positive | Positive |
| Topology | Buck | Buck | Buck | Buck | Buck | - | Buck | Buck |
| Number of Outputs | 1 | 1 | 1 | 1 | 1 | - | 1 | 1 |
| Output Phases | 1 | 1 | 1 | 1 | 1 | - | 1 | 1 |
| Voltage - Supply (Vcc/Vdd) | 6.3V ~ 20V | 4.5V ~ 13.2V | 4.5V ~ 13.2V | 4.5V ~ 13.2V | 4.5V ~ 13.2V | - | 7.5V ~ 15V | 4.5V ~ 13.2V |
| Frequency - Switching | 400kHz | 275kHz | 350kHz | 300kHz | 275kHz | - | 200kHz | 350kHz |
| Duty Cycle (Max) | 85% | 75% | 75% | 75% | 75% | - | - | 90% |
| Synchronous Rectifier | Yes | Yes | Yes | Yes | Yes | - | Yes | Yes |
| Clock Sync | No | No | No | No | No | - | No | No |
| Serial Interfaces | - | - | - | - | - | - | - | - |
| Control Features | Enable, Soft Start | Enable, Phase Control | Enable, Phase Control | Enable, Phase Control | Enable, Phase Control | - | Power Good | Phase Control |
| Operating Temperature | 0°C ~ 125°C (TJ) | 0°C ~ 70°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 0°C ~ 70°C (TA) | - | 0°C ~ 125°C (TJ) | -40°C ~ 85°C (TA) |
| 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) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | - | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 14-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | - | 8-SOIC | 8-SOIC |
