| Part Number | NCP161AFCT280T2G | NCP161AFCT290T2G | 
|---|---|---|
| Manufacturer | onsemi | Fairchild Semiconductor | 
| Category | PMIC - Voltage Regulators - Linear | PMIC - Voltage Regulators - Linear | 
|   |   | |
| Product Status | Active | Active | 
| Output Configuration | Positive | Positive | 
| Output Type | Fixed | Fixed | 
| Number of Regulators | 1 | 1 | 
| Voltage - Input (Max) | 5.5V | 5.5V | 
| Voltage - Output (Min/Fixed) | 2.8V | 2.9V | 
| Voltage - Output (Max) | - | - | 
| Voltage Dropout (Max) | 0.29V @ 450mA | - | 
| Current - Output | 450mA | 450mA | 
| Current - Quiescent (Iq) | 23 µA | 23 µA | 
| Current - Supply (Max) | - | - | 
| PSRR | 91dB ~ 48dB (100Hz ~ 100kHz) | 91dB ~ 48dB (100Hz ~ 100kHz) | 
| Control Features | Enable | Enable | 
| Protection Features | Over Current, Over Temperature, Soft Start | Over Current, Over Temperature, Soft Start | 
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 4-XFBGA, WLCSP | 4-XFBGA, WLCSP | 
| Supplier Device Package | 4-WLCSP (0.64x0.64) | 4-WLCSP (0.64x0.64) |