LM5642XMTX
IC REG CTRLR BUCK 28TSSOPManufacturer: Texas Instruments
Categories: DC DC Switching Controllers
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Texas Instruments LM5642XMTX is a dual-output, synchronous buck DC-DC controller IC. This device features a wide input voltage range of 4.5V to 36V, making it suitable for a variety of power supply applications. The LM5642XMTX offers precise voltage regulation with a maximum duty cycle of 98.9% and a switching frequency of 375kHz. Key control features include adjustable current limit, enable functionality, and soft-start for controlled power-up sequences. Its topology is a synchronous buck, utilizing two outputs with transistor driver output types. The controller supports clock synchronization and is housed in a 28-TSSOP package. This component is commonly found in industrial, automotive, and consumer electronics sectors. The packaging is provided on a tape and reel.
Additional Information
Series: -RoHS Status: RoHS non-compliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: 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 | 375kHz |
| 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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