LM2657MTC
IC REG CTRLR BUCK 28TSSOPManufacturer: Texas Instruments
Categories: DC DC Switching Controllers
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The Texas Instruments LM2657MTC is a versatile, dual-output step-down DC-DC controller designed for efficient power regulation. This buck controller, housed in a 28-TSSOP package, operates with a wide input voltage range of 4.5V to 28V and supports switching frequencies between 200kHz and 500kHz. Key control features include current limit, enable, frequency control, power good indication, and soft start, enabling precise management of power delivery. The device supports a maximum duty cycle of 70% and incorporates a synchronous rectifier for enhanced efficiency. Its robust design makes it suitable for applications in consumer electronics, industrial automation, and telecommunications. The LM2657MTC is supplied in tube packaging for efficient integration into manufacturing processes.
Additional Information
Series: -RoHS Status: RoHS non-compliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDownload Free CAD Model:
Technical Details:
| Packaging | Tube |
| 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 ~ 500kHz |
| Topology | Buck |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 28V |
| Supplier Device Package | 28-TSSOP |
| Synchronous Rectifier | Yes |
| Control Features | Current Limit, Enable, Frequency Control, Power Good, Soft Start |
| Serial Interfaces | - |
| Output Phases | 2 |
| Duty Cycle (Max) | 70% |
| Clock Sync | No |
| Number of Outputs | 2 |
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