| PartNumber | NCP1550SN18T1G | NCP1550SN19T1 | NCP1550SN18T1 |
| Description | Switching Voltage Regulators 1.8V 2A Buck PWM/PFM w/Enable Soft Start | Switching Voltage Regulators 1.8V 2A Buck PWM/PFM | IC REG CTRLR BUCK 5TSOP |
| Manufacturer | ON Semiconductor | ON Semiconductor | ON Semiconductor |
| Product Category | Switching Voltage Regulators | Switching Voltage Regulators | PMIC - Voltage Regulators - DC DC Switching Controllers |
| RoHS | Y | N | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOT-23-Thin-5 | SOT-23-Thin-5 | - |
| Topology | Buck | Buck | Buck |
| Packaging | Reel | Reel | Cut Tape (CT) |
| Type | Charge Pump | Charge Pump | - |
| Brand | ON Semiconductor | ON Semiconductor | - |
| Product Type | Switching Voltage Regulators | Switching Voltage Regulators | - |
| Factory Pack Quantity | 3000 | 3000 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Series | - | - | - |
| Package Case | - | - | SOT-23-5 Thin, TSOT-23-5 |
| Operating Temperature | - | - | -40°C ~ 85°C (TA) |
| Output Type | - | - | Transistor Driver |
| Function | - | - | Step-Down |
| Supplier Device Package | - | - | 5-TSOP |
| Number of Outputs | - | - | 1 |
| Voltage Supply Vcc Vdd | - | - | 2.45 V ~ 5.5 V |
| Frequency Switching | - | - | 600kHz |
| Control Features | - | - | Enable |
| Output Configuration | - | - | Positive |
| Output Phases | - | - | 1 |
| Duty Cycle Max | - | - | 1 |
| Synchronous Rectifier | - | - | No |
| Clock Sync | - | - | No |
| Serial Interfaces | - | - | - |