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| Part Number | LM2673SD-3.3 | LM2673SDX-3.3 | LM2673SX-3.3 | LM2673LD-3.3 | LM2673S-3.3 |
|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | National Semiconductor | Texas Instruments |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Active |
| Function | Step-Down | Step-Down | Step-Down | - | - |
| Output Configuration | Positive | Positive | Positive | - | - |
| Topology | Buck | Buck | Buck | - | - |
| Output Type | Fixed | Fixed | Fixed | - | - |
| Number of Outputs | 1 | 1 | 1 | - | - |
| Voltage - Input (Min) | 8V | 8V | 8V | - | - |
| Voltage - Input (Max) | 40V | 40V | 40V | - | - |
| Voltage - Output (Min/Fixed) | 3.3V | 3.3V | 3.3V | - | - |
| Voltage - Output (Max) | - | - | - | - | - |
| Current - Output | 3A | 3A | 3A | - | - |
| Frequency - Switching | 260kHz | 260kHz | 260kHz | - | - |
| Synchronous Rectifier | No | No | No | - | - |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -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 | TO-263-8, D²Pak (7 Leads + Tab), TO-263CA | 14-VDFN Exposed Pad | - |
| Supplier Device Package | 14-VSON (5x6) | 14-VSON (5x6) | DDPAK/TO-263-7 | 14-VSON (6x5) | - |
