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| Part Number | LM2672N-3.3 | LM2674N-3.3 | LM2671N-3.3 | LM2672M-3.3 |
|---|---|---|---|---|
| Manufacturer | National Semiconductor | National Semiconductor | National Semiconductor | National Semiconductor |
| Product Status | Obsolete | Active | Active | Active |
| Function | Step-Down | Step-Down | Step-Down | Step-Down |
| Output Configuration | Positive | Positive | Positive | Positive |
| Topology | Buck | Buck | Buck | Buck |
| Output Type | Fixed | Fixed | Fixed | Fixed |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Voltage - Input (Min) | 6.5V | 6.5V | 6.5V | 6.5V |
| Voltage - Input (Max) | 40V | 40V | 40V | 40V |
| Voltage - Output (Min/Fixed) | 3.3V | 3.3V | 3.3V | 3.3V |
| Voltage - Output (Max) | - | - | - | - |
| Current - Output | 1A | 500mA | 500mA | 1A |
| Frequency - Switching | 260kHz | 260kHz | 260kHz | 260kHz |
| Synchronous Rectifier | No | No | No | No |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Mounting Type | Through Hole | Through Hole | Through Hole | Surface Mount |
| Package / Case | 8-DIP (0.300", 7.62mm) | 8-DIP (0.300", 7.62mm) | 8-DIP (0.300", 7.62mm) | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-PDIP | 8-PDIP | 8-PDIP | 8-SOIC |
