LM5642XMH
IC REG CTRLR BUCK 28ETSSOPManufacturer: Texas Instruments
Categories: DC DC Switching Controllers
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Texas Instruments LM5642XMH is a dual-output, synchronous buck controller. This device features a 375kHz switching frequency and a maximum duty cycle of 98.9%, supporting efficient step-down DC-DC conversion. Its architecture includes integrated synchronous rectification for enhanced efficiency and offers advanced control features such as current limiting, enable, and soft start. The LM5642XMH is designed for flexible output configurations and operates from a wide input voltage range of 4.5V to 36V. Packaged in a 28-HTSSOP, this component is suitable for surface mount applications and is utilized across various industries including automotive, industrial automation, and consumer electronics. The controller supports two output phases and positive output voltage configurations.
Additional Information
Series: -RoHS Status: RoHS non-compliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDatasheet:Download Free CAD Model:
Technical Details:
| Packaging | Tube |
| Package / Case | 28-PowerTSSOP (0.173"", 4.40mm Width) |
| Output Type | Transistor Driver |
| Mounting Type | Surface Mount |
| Function | Step-Down |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Output Configuration | Positive |
| Frequency - Switching | 375kHz |
| Topology | Buck |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 36V |
| Supplier Device Package | 28-HTSSOP |
| Synchronous Rectifier | Yes |
| Control Features | Current Limit, Enable, Soft Start |
| Serial Interfaces | - |
| Output Phases | 2 |
| Duty Cycle (Max) | 98.9% |
| Clock Sync | Yes |
| Number of Outputs | 2 |
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