| PartNumber | LM3679UR-1.8/NOPB | LM3679UR-1.2/NOPB | LM3679UR-1.5/NOPB |
| Description | Voltage Regulators - Switching Regulators 3MHz, 350mA Miniature Step-Down DC-DC Co | Voltage Regulators - Switching Regulators 3MHz, 350mA Miniature Step-Down DC-DC Co | Voltage Regulators - Switching Regulators 3MHz, 350mA Miniature Step-Down DC-DC Co |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | PMIC - Voltage Regulators - DC DC Switching Regulators | PMIC - Voltage Regulators - DC DC Switching Regulators | PMIC - Voltage Regulators - DC DC Switching Regulators |
| Series | - | LM3679 | - |
| Packaging | Digi-ReelR Alternate Packaging | Digi-ReelR Alternate Packaging | Digi-ReelR |
| Package Case | 5-XFBGA | DSBGA-5 | 5-XFBGA |
| Operating Temperature | -30°C ~ 85°C (TA) | -30°C ~ 85°C (TA) | -30°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Output Type | Fixed | Fixed | Fixed |
| Function | Step-Down | Step-Down | Step-Down |
| Supplier Device Package | 5-uSMD | 5-uSMD | 5-uSMD |
| Number of Outputs | 1 | 1 | 1 |
| Topology | Buck | Buck | Buck |
| Frequency Switching | 3MHz | 3MHz | 3MHz |
| Current Output | 350mA | 350mA | 350mA |
| Output Configuration | Positive | Positive | Positive |
| Voltage Output Min Fixed | 1.8V | 1.2V | 1.5V |
| Voltage Output Max | - | - | - |
| Synchronous Rectifier | Yes | Yes | Yes |
| Voltage Input Min | 2.5V | 2.5V | 2.5V |
| Voltage Input Max | 5.5V | 5.5V | 5.5V |
| Type | - | Step Down | - |
| Unit Weight | - | 0.000056 oz | - |
| Mounting Style | - | SMD/SMT | - |
| Shutdown | - | Shutdown | - |
| Maximum Operating Temperature | - | + 85 C | - |
| Minimum Operating Temperature | - | - 30 C | - |
| Output Voltage | - | 1.2 V | - |
| Operating Supply Current | - | 5 mA | - |
| Input Voltage | - | 5.5 V | - |
| Input Voltage MAX | - | 5.5 V | - |
| Output Current | - | 350 mA | - |
| Switching Frequency | - | 3000 kHz | - |
| Input Voltage MIN | - | 2.5 V | - |
| Supply Voltage Min | - | 2.5 V | - |