| PartNumber | NCP5661DT33RKG | NCP5661DT25RKG | NCP5661DT18RKG |
| Description | LDO Voltage Regulators 3.3V 1.0A | LDO Voltage Regulators FAST RESPONSE 1 A LDO | LDO Voltage Regulators ULTRFST 1A LO DRPOUT |
| Manufacturer | ON Semiconductor | ON Semiconductor | ON Semiconductor |
| Product Category | LDO Voltage Regulators | LDO Voltage Regulators | LDO Voltage Regulators |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | TO-252-5 | DPAK-5 | TO-252-5 |
| Output Voltage | 3.3 V | 2.5 V | 1.8 V |
| Output Current | 1 A | 1 A | 1 A |
| Number of Outputs | 1 Output | 1 Output | 1 Output |
| Polarity | Positive | - | Positive |
| Input Voltage MAX | 9 V | 9 V | 9 V |
| Input Voltage MIN | 2 V | 2 V | 2 V |
| Output Type | Fixed | Fixed | Fixed |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 150 C | + 125 C | + 150 C |
| Dropout Voltage | 1 V | 1 V | 1 V |
| Series | NCP5661 | NCP5661 | NCP5661 |
| Packaging | Reel | Reel | Reel |
| Height | 2.38 mm | - | 2.38 mm |
| Length | 6.73 mm | - | 6.73 mm |
| Width | 6.22 mm | - | 6.22 mm |
| Brand | ON Semiconductor | ON Semiconductor | ON Semiconductor |
| Dropout Voltage Max | 1.3 V at 1 A | 1.3 V | 1.3 V at 1 A |
| Voltage Regulation Accuracy | 1 % | 1 % | 1 % |
| Line Regulation | 0.03 % | 0.03 % | 0.03 % |
| Load Regulation | 0.2 % | 0.2 % | 0.2 % |
| Product Type | LDO Voltage Regulators | LDO Voltage Regulators | LDO Voltage Regulators |
| Reference Voltage | 0.9 V | - | 0.9 V |
| Factory Pack Quantity | 2500 | 2500 | 2500 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Unit Weight | 0.012378 oz | - | 0.012381 oz |
| Product | - | LDO Voltage Regulators | - |
| Type | - | Linear Voltage Regulator | - |
| Output Voltage Range | - | - | - |
| PSRR / Ripple Rejection Typ | - | 65 dB | - |