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| Part Number | LM2673S-3.3 | LM2673T-3.3 | LM2673SD-3.3 | LM2673SX-3.3 |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | National Semiconductor | Texas Instruments | Texas Instruments |
| Product Status | Active | Active | Obsolete | Obsolete |
| 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 | - | Through Hole | Surface Mount | Surface Mount |
| Package / Case | - | TO-220-7 Formed Leads | 14-VDFN Exposed Pad | TO-263-8, D²Pak (7 Leads + Tab), TO-263CA |
| Supplier Device Package | - | TO-220-7 | 14-VSON (5x6) | DDPAK/TO-263-7 |
