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| PartNumber | LM3677LEX-1.5/NOPB | LM3677LEX-1.8/NOPB | LM3677LEX-1.2/NOPB |
| Description | Voltage Regulators - Switching Regulators 3MHz, 600mA Miniature Step-Down DC-DC Co | Voltage Regulators - Switching Regulators 3MHz, 600mA Miniature Step-Down DC-DC Co | Voltage Regulators - Switching Regulators 3MHz, 600mA 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 | - | - | - |
| Packaging | Tape & Reel (TR) Alternate Packaging | Tape & Reel (TR) Alternate Packaging | Tape & Reel (TR) Alternate Packaging |
| Package Case | 6-UFDFN | 6-UFDFN | 6-UFDFN |
| 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 | 6-LLP (2.0x1.5) | 6-LLP (2.0x1.5) | 6-LLP (2.0x1.5) |
| Number of Outputs | 1 | 1 | 1 |
| Topology | Buck | Buck | Buck |
| Frequency Switching | 3MHz | 3MHz | 3MHz |
| Current Output | 600mA | 600mA | 600mA |
| Output Configuration | Positive | Positive | Positive |
| Voltage Output Min Fixed | 1.5V | 1.8V | 1.2V |
| Voltage Output Max | - | - | - |
| Synchronous Rectifier | Yes | Yes | Yes |
| Voltage Input Min | 2.7V | 2.7V | 2.7V |
| Voltage Input Max | 5.5V | 5.5V | 5.5V |