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| PartNumber | LM1771UMM/NOPB | LM1771UMMX | LM1771UMM |
| Description | Switching Controllers Low-Vtg Sync Buck Cntlr | Switching Controllers | Switching Controllers |
| Manufacturer | Texas Instruments | NS | Texas Instruments |
| Product Category | Switching Controllers | PMIC - Voltage Regulators - DC DC Switching Controllers | PMIC - Voltage Regulators - DC DC Switching Controllers |
| RoHS | Y | - | - |
| Number of Outputs | 1 Output | - | 1 |
| Switching Frequency | 0.1 MHz to 1 MHz | - | 0.1 MHz to 1 MHz |
| Duty Cycle Max | 95 % | - | - |
| Input Voltage | 2.8 V to 5.5 V | - | 2.8 V to 5.5 V |
| Output Voltage | 0.8 V to 4.5 V | - | 0.8 V to 4.5 V |
| Output Current | 6 A | - | 6 A |
| Minimum Operating Temperature | - 40 C | - | - 40 C |
| Maximum Operating Temperature | + 125 C | - | + 125 C |
| Mounting Style | SMD/SMT | - | SMD/SMT |
| Package / Case | VSSOP-8 | - | - |
| Packaging | Reel | - | Digi-ReelR Alternate Packaging |
| Operating Temperature Range | - 40 C to + 125 C | - | - |
| Series | LM1771 | - | LM1771 |
| Type | Synchronous Buck Controller | - | - |
| Brand | Texas Instruments | - | - |
| Development Kit | LM1771EVAL | - | LM1771EVAL |
| Product Type | Switching Controllers | - | - |
| Factory Pack Quantity | 1000 | - | - |
| Subcategory | PMIC - Power Management ICs | - | - |
| Package Case | - | - | MSOP |
| Operating Temperature | - | - | -40°C ~ 125°C (TJ) |
| Output Type | - | - | Transistor Driver |
| Function | - | - | Step-Down |
| Supplier Device Package | - | - | 8-VSSOP |
| Topology | - | - | Buck |
| Voltage Supply Vcc Vdd | - | - | 2.8 V ~ 5.5 V |
| Frequency Switching | - | - | 100kHz ~ 1MHz |
| Control Features | - | - | Enable |
| Output Configuration | - | - | Positive |
| Output Phases | - | - | 1 |
| Duty Cycle Max | - | - | 95 % |
| Synchronous Rectifier | - | - | Yes |
| Clock Sync | - | - | No |
| Serial Interfaces | - | - | - |