LM5642MTCX
IC REG CTRLR BUCK 28TSSOPManufacturer: Texas Instruments
Categories: DC DC Switching Controllers
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Texas Instruments LM5642MTCX is a dual-output synchronous buck controller IC. This device efficiently regulates positive output voltages from a single input supply ranging from 4.5V to 36V. Designed for high-performance power management, it features a switching frequency of 200kHz and a maximum duty cycle of 98.9%, enabling efficient step-down conversion. The LM5642MTCX supports two independent output phases and incorporates critical control features including current limiting, enable functionality, and soft-start for controlled power-up sequences. Its synchronous rectification design enhances efficiency. The component is housed in a 28-TSSOP package and is supplied on tape and reel. This controller is suitable for applications in the automotive, industrial, and consumer electronics sectors requiring robust and efficient DC-DC voltage regulation.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: 18 week(s)Product Status: Last Time BuyPackaging: Tape & Reel (TR)Datasheet:Download Free CAD Model:
Technical Details:
| Packaging | Tape & Reel (TR) |
| Package / Case | 28-TSSOP (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 | 200kHz |
| Topology | Buck |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 36V |
| Supplier Device Package | 28-TSSOP |
| 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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