LM3743MMX-300/NOPB
IC REG CTRLR BUCK 10MSOPManufacturer: Texas Instruments
Categories: DC DC Switching Controllers
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Texas Instruments LM3743MMX-300-NOPB is a synchronous buck controller designed for efficient step-down DC-DC conversion. This device operates with a switching frequency of 300kHz and features a maximum duty cycle of 91%. It supports a wide input voltage range from 3V to 5.5V and provides positive output regulation. The controller includes essential control features such as current limit, enable, soft start, and tracking for robust power management. Its single-phase output configuration and integrated synchronous rectifier enhance overall efficiency. The LM3743MMX-300-NOPB is housed in a 10-VSSOP package suitable for surface mounting and operates across an industrial temperature range of -40°C to 125°C. This component is commonly utilized in power supply designs for applications including industrial automation, consumer electronics, and telecommunications.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: Tape & Reel (TR)Download Free CAD Model:
Technical Details:
| Packaging | Tape & Reel (TR) |
| Package / Case | 10-TFSOP, 10-MSOP (0.118"", 3.00mm Width) |
| Output Type | Transistor Driver |
| Mounting Type | Surface Mount |
| Function | Step-Down |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Output Configuration | Positive |
| Frequency - Switching | 300kHz |
| Topology | Buck |
| Voltage - Supply (Vcc/Vdd) | 3V ~ 5.5V |
| Supplier Device Package | 10-VSSOP |
| Synchronous Rectifier | Yes |
| Control Features | Current Limit, Enable, Soft Start, Tracking |
| Serial Interfaces | - |
| Output Phases | 1 |
| Duty Cycle (Max) | 91% |
| Clock Sync | No |
| Number of Outputs | 1 |
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