LTC3869IGN-2#PBF
IC REG CTRLR BUCK 28SSOPManufacturer: Analog Devices Inc.
Categories: DC DC Switching Controllers
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Analog Devices Inc. LTC3869IGN-2-PBF is a high-performance, dual-phase synchronous buck controller designed for efficient step-down power conversion. This device features a wide input voltage range from 4V to 38V and offers a selectable switching frequency between 250kHz and 780kHz, with a maximum duty cycle of 95%. The LTC3869IGN-2-PBF provides robust control features including adjustable current limit, enable, frequency control, power good indication, soft start, and tracking. Its output configuration supports positive voltage outputs with two phases, driving external N-channel MOSFETs for synchronous rectification. The dual-phase architecture enhances power handling capability and reduces output ripple. This controller is suitable for demanding applications across various industries including automotive, industrial power supplies, and telecommunications. The component is supplied in a 28-SSOP package (0.154", 3.90mm width) for surface mounting and operates within a temperature range of -40°C to 125°C.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: 10 week(s)Product Status: ActivePackaging: TubeDatasheet:Download 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 ~ 125°C (TJ) |
| Output Configuration | Positive |
| Frequency - Switching | 250kHz ~ 780kHz |
| Topology | Buck |
| Voltage - Supply (Vcc/Vdd) | 4V ~ 38V |
| Supplier Device Package | 28-SSOP |
| Synchronous Rectifier | Yes |
| Control Features | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking |
| Serial Interfaces | - |
| Output Phases | 2 |
| Duty Cycle (Max) | 95% |
| Clock Sync | Yes |
| Number of Outputs | 2 |
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