LT3840MPFE
IC REGULATORManufacturer: Analog Devices Inc.
Categories: DC DC Switching Controllers
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The Analog Devices Inc. LT3840MPFE is a high-performance buck controller IC designed for step-down DC-DC conversion with positive or negative output capabilities. This component features a wide input voltage range from 2.5V to 60V, making it suitable for demanding applications. The LT3840MPFE operates with a switching frequency adjustable from 50kHz to 1MHz and offers a maximum duty cycle of 99%. Key control features include Enable, Frequency Control, Power Good, Soft Start, and Tracking, providing robust operational flexibility.
The device utilizes a buck topology and incorporates a synchronous rectifier for enhanced efficiency. It is presented in a 28-TSSOP-EP package, designed for surface mounting. The LT3840MPFE is engineered for operation across an extended temperature range of -55°C to 150°C. This controller is commonly employed in automotive, industrial power, and telecommunications sectors where reliable and efficient voltage regulation is critical.
Additional Information
Series: -RoHS Status: unknownManufacturer 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) Exposed Pad |
| Output Type | Transistor Driver |
| Mounting Type | Surface Mount |
| Function | Step-Down |
| Operating Temperature | -55°C ~ 150°C |
| Output Configuration | Positive or Negative |
| Frequency - Switching | 50kHz ~ 1MHz |
| Topology | Buck |
| Voltage - Supply (Vcc/Vdd) | 2.5V ~ 60V |
| Supplier Device Package | 28-TSSOP-EP |
| Synchronous Rectifier | Yes |
| Control Features | Enable, Frequency Control, Power Good, Soft Start, Tracking |
| Serial Interfaces | - |
| Output Phases | 1 |
| Duty Cycle (Max) | 99% |
| Clock Sync | Yes |
| Number of Outputs | 1 |
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