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| PartNumber | LM2677S-12 | LM2677S-3.3 | LM2677S-12/NOPB |
| Description | Switching Voltage Regulators | Voltage Regulators - Switching Regulators SIMPLE SWITCHER High Efficiency 5A Step-Down Voltage Regulator with Sync 7-DDPAK/TO-263 -40 to 125 | Voltage Regulators - Switching Regulators Hi Eff 5A SD VTG Reg |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | Switching Voltage Regulators | PMIC - Voltage Regulators - DC DC Switching Regulators | PMIC - Voltage Regulators - DC DC Switching Regulators |
| RoHS | N | - | - |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | TO-263-5 | - | - |
| Output Voltage | 12 V | 3.3 V | 12 V |
| Output Current | 5 A | 5 A | 5 A |
| Number of Outputs | 1 Output | 1 | 1 |
| Input Voltage MAX | 40 V | 40 V | 40 V |
| Topology | Buck | Buck | Buck |
| Input Voltage MIN | 8 V | 8 V | 8 V |
| Switching Frequency | 260 kHz | 260 kHz | 260 kHz |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 125 C | + 125 C | + 125 C |
| Series | LM2677 | SIMPLE SWITCHERR | SIMPLE SWITCHERR |
| Packaging | Tube | Tube | Tube Alternate Packaging |
| Type | Step Down | Step Down | Step Down |
| Brand | Texas Instruments | - | - |
| Product Type | Switching Voltage Regulators | - | - |
| Factory Pack Quantity | 45 | - | - |
| Subcategory | PMIC - Power Management ICs | - | - |
| Tradename | SIMPLE SWITCHER | - | SIMPLE SWITCHER |
| Unit Weight | 0.056128 oz | 0.056438 oz | 0.056438 oz |
| Package Case | - | TO-263-7 | TO-263-7 |
| Operating Temperature | - | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Mounting Type | - | Surface Mount | Surface Mount |
| Output Type | - | Fixed | Fixed |
| Function | - | Step-Down | Step-Down |
| Supplier Device Package | - | DDPAK/TO-263-7 | DDPAK/TO-263-7 |
| Frequency Switching | - | 260kHz | 260kHz |
| Current Output | - | 5A | 5A |
| Output Configuration | - | Positive | Positive |
| Voltage Output Min Fixed | - | 3.3V | 12V |
| Voltage Output Max | - | - | - |
| Synchronous Rectifier | - | No | No |
| Voltage Input Min | - | 8V | 8V |
| Voltage Input Max | - | 40V | 40V |