| Part Number | FAN2564UC15X | FAN2564UC18X | 
|---|---|---|
| Manufacturer | Fairchild Semiconductor | Fairchild Semiconductor | 
| Category | PMIC - Voltage Regulators - Linear | PMIC - Voltage Regulators - Linear | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Output Configuration | Positive | Positive | 
| Output Type | Fixed | Fixed | 
| Number of Regulators | 1 | 1 | 
| Voltage - Input (Max) | 3.6V | 3.6V | 
| Voltage - Output (Min/Fixed) | 1.5V | 1.8V | 
| Voltage - Output (Max) | - | - | 
| Voltage Dropout (Max) | 0.16V @ 300mA | 0.16V @ 300mA | 
| Current - Output | 300mA | 300mA | 
| Current - Quiescent (Iq) | 75 µA | 75 µA | 
| Current - Supply (Max) | 200 µA | 200 µA | 
| PSRR | 60dB (1kHz) | 60dB (1kHz) | 
| Control Features | Enable | Enable | 
| Protection Features | Over Temperature, Short Circuit, Soft Start | Over Temperature, Short Circuit, Soft Start | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 4-UFBGA, WLCSP | 4-UFBGA, WLCSP | 
| Supplier Device Package | 4-WLCSP (1.41x0.93) | 4-WLCSP (1.41x0.93) |