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| Part Number | LM2678LD-3.3 | LM2679LD-3.3 | LM2678SD-3.3 | LM2676LD-3.3 |
|---|---|---|---|---|
| Manufacturer | National Semiconductor | National Semiconductor | Texas Instruments | National Semiconductor |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete |
| Function | - | - | Step-Down | - |
| Output Configuration | - | - | Positive | - |
| Topology | - | - | Buck | - |
| Output Type | - | - | Fixed | - |
| Number of Outputs | - | - | 1 | - |
| Voltage - Input (Min) | - | - | 8V | - |
| Voltage - Input (Max) | - | - | 40V | - |
| Voltage - Output (Min/Fixed) | - | - | 3.3V | - |
| Voltage - Output (Max) | - | - | - | - |
| Current - Output | - | - | 5A | - |
| Frequency - Switching | - | - | 260kHz | - |
| Synchronous Rectifier | - | - | No | - |
| Operating Temperature | - | - | -40°C ~ 125°C (TJ) | - |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 14-VDFN Exposed Pad | 14-VDFN Exposed Pad | 14-VDFN Exposed Pad | 14-VDFN Exposed Pad |
| Supplier Device Package | 14-VSON (6x5) | 14-VSON (6x5) | 14-VSON (5x6) | 14-VSON (6x5) |
