| Part Number | LM2678SX-12/NOPB | LM2676SX-12/NOPB | 
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | 
| Category | PMIC - Voltage Regulators - DC DC Switching Regulators | PMIC - Voltage Regulators - DC DC Switching Regulators | 
|   |   | |
| Product Status | Active | Active | 
| Function | Step-Down | Step-Down | 
| Output Configuration | Positive | Positive | 
| Topology | Buck | Buck | 
| Output Type | Fixed | Fixed | 
| Number of Outputs | 1 | 1 | 
| Voltage - Input (Min) | 15V | 8V | 
| Voltage - Input (Max) | 40V | 40V | 
| Voltage - Output (Min/Fixed) | 12V | 12V | 
| Voltage - Output (Max) | - | - | 
| Current - Output | 5A | 3A | 
| Frequency - Switching | 260kHz | 260kHz | 
| Synchronous Rectifier | No | No | 
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | TO-263-8, D²Pak (7 Leads + Tab), TO-263CA | TO-263-8, D²Pak (7 Leads + Tab), TO-263CA | 
| Supplier Device Package | DDPAK/TO-263-7 | DDPAK/TO-263-7 |