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| Part Number | LM3679UR-1.8/NOPB | LM3679URX-1.8/NOPB | LM3679UR-1.2/NOPB | LM3679UR-1.5/NOPB |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Active | Active | Active | Obsolete |
| Function | Step-Down | Step-Down | Step-Down | Step-Down |
| Output Configuration | Positive | Positive | Positive | Positive |
| Topology | Buck | Buck | Buck | Buck |
| Output Type | Fixed | Fixed | Fixed | Fixed |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Voltage - Input (Min) | 2.5V | 2.5V | 2.5V | 2.5V |
| Voltage - Input (Max) | 5.5V | 5.5V | 5.5V | 5.5V |
| Voltage - Output (Min/Fixed) | 1.8V | 1.8V | 1.2V | 1.5V |
| Voltage - Output (Max) | - | - | - | - |
| Current - Output | 350mA | 350mA | 350mA | 350mA |
| Frequency - Switching | 3MHz | 3MHz | 3MHz | 3MHz |
| Synchronous Rectifier | Yes | Yes | Yes | Yes |
| Operating Temperature | -30°C ~ 85°C (TA) | -30°C ~ 85°C (TA) | -30°C ~ 85°C (TA) | -30°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 5-XFBGA, DSBGA | 5-XFBGA, DSBGA | 5-XFBGA, DSBGA | 5-XFBGA, DSBGA |
| Supplier Device Package | 5-DSBGA (1.47x1.02) | 5-DSBGA (1.47x1.02) | 5-DSBGA (1.47x1.02) | 5-DSBGA (1.47x1.02) |
