| Part Number | LM3677TL-1.875/NOPB | LM3671TL-1.875/NOPB | 
|---|---|---|
| Manufacturer | National Semiconductor | National Semiconductor | 
| Category | PMIC - Voltage Regulators - DC DC Switching Regulators | PMIC - Voltage Regulators - DC DC Switching Regulators | 
|   |   | |
| Product Status | Active | Obsolete | 
| Function | Step-Down | Step-Down | 
| Output Configuration | Positive | Positive | 
| Topology | Buck | Buck | 
| Output Type | Fixed | Fixed | 
| Number of Outputs | 1 | 1 | 
| Voltage - Input (Min) | 2.7V | 2.7V | 
| Voltage - Input (Max) | 5.5V | 5.5V | 
| Voltage - Output (Min/Fixed) | 1.875V | 1.875V | 
| Voltage - Output (Max) | - | - | 
| Current - Output | 600mA | 600mA | 
| Frequency - Switching | 3MHz | 2MHz | 
| Synchronous Rectifier | Yes | Yes | 
| Operating Temperature | -30°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 5-WFBGA, DSBGA | 5-WFBGA, DSBGA | 
| Supplier Device Package | 5-DSBGA (1.41x1.08) | 5-DSBGA (1.5x1.2) |