LTC3728LEGN-1
IC POWER MANAGEMENTManufacturer: Analog Devices Inc.
Categories: DC DC Switching Controllers
Quality Control: Learn More
Analog Devices Inc. LTC3728LEGN-1 is a high-performance, dual-output synchronous buck controller designed for efficient step-down DC-DC conversion. This component features a wide input voltage range of 4.5V to 28V and offers flexible switching frequencies from 260kHz to 550kHz. The LTC3728LEGN-1 supports a maximum duty cycle of 99.4% and incorporates essential control features including Enable, Power Good, and Soft Start for robust power management. Its output configuration is positive, and it drives two outputs with a transistor driver stage. The device is designed for surface mount applications, housed in a 28-SSOP package. Key operational characteristics include synchronous rectification for improved efficiency and operation across a temperature range of -40°C to 85°C. This controller is suitable for demanding power supply applications in various industries including industrial automation, telecommunications, and automotive systems.
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-SSOP (0.154"", 3.90mm Width) |
| Output Type | Transistor Driver |
| Mounting Type | Surface Mount |
| Function | Step-Down |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Output Configuration | Positive |
| Frequency - Switching | 260kHz ~ 550kHz |
| Topology | Buck |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 28V |
| Supplier Device Package | 28-SSOP |
| Synchronous Rectifier | Yes |
| Control Features | Enable, Power Good, Soft Start |
| Serial Interfaces | - |
| Output Phases | 2 |
| Duty Cycle (Max) | 99.4% |
| Clock Sync | No |
| Number of Outputs | 2 |
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