| Part Number | FAN53611AUC135X | FAN53611AUC115X | 
|---|---|---|
| Manufacturer | Fairchild Semiconductor | Fairchild Semiconductor | 
| Category | PMIC - Voltage Regulators - DC DC Switching Regulators | PMIC - Voltage Regulators - DC DC Switching Regulators | 
|   |   | |
| Product Status | Active | Active | 
| Function | Step-Down | Step-Down | 
| Output Configuration | Positive | Positive | 
| Topology | Buck | Buck | 
| Output Type | Fixed | Fixed | 
| Number of Outputs | 1 | 1 | 
| Voltage - Input (Min) | 2.3V | 2.3V | 
| Voltage - Input (Max) | 5.5V | 5.5V | 
| Voltage - Output (Min/Fixed) | 1.35V | 1.15V | 
| Voltage - Output (Max) | - | - | 
| Current - Output | 1A | 1A | 
| Frequency - Switching | 6MHz | 6MHz | 
| Synchronous Rectifier | Yes | Yes | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 6-UFBGA, WLCSP | 6-UFBGA, WLCSP | 
| Supplier Device Package | 6-WLCSP (1.23x0.88) | 6-WLCSP (1.23x0.88) |