LT3840EFE
IC REGULATORManufacturer: Analog Devices Inc.
Categories: DC DC Switching Controllers
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Analog Devices Inc. LT3840EFE is a high-performance buck controller IC designed for step-down DC-DC conversion. This device operates over a wide input voltage range of 2.5V to 60V, making it suitable for demanding applications. It features a flexible output configuration supporting both positive and negative outputs. The LT3840EFE offers a switching frequency range from 50kHz to 1MHz, allowing for optimized component selection and power density. Key control features include Enable, Frequency Control, Power Good, Soft Start, and Tracking, providing comprehensive system management. With a maximum duty cycle of 99%, it ensures efficient operation even at low output voltages. This component utilizes a synchronous rectifier for enhanced efficiency. The LT3840EFE is packaged in a 28-TSSOP-EP (Exposed Pad) for surface mounting and is commonly found in power supply designs for industrial automation, telecommunications, and automotive sectors.
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 | -40°C ~ 125°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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