| Part Number | LM2679T-3.3 | LM2678T-3.3 |
|---|---|---|
| Manufacturer | National Semiconductor | Texas Instruments |
| Category | PMIC - Voltage Regulators - DC DC Switching Regulators | PMIC - Voltage Regulators - DC DC Switching Regulators |
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| Product Status | Obsolete | 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) | 8V | 8V |
| Voltage - Input (Max) | 40V | 40V |
| Voltage - Output (Min/Fixed) | 3.3V | 3.3V |
| Voltage - Output (Max) | - | - |
| Current - Output | 5A | 5A |
| Frequency - Switching | 260kHz | 260kHz |
| Synchronous Rectifier | No | No |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | TO-220-7 Formed Leads | TO-220-7 Formed Leads |
| Supplier Device Package | TO-220-7 | TO-220-7 |