LTC3899MPFE
IC POWER MANAGEMENTManufacturer: Analog Devices Inc.
Categories: DC DC Switching Controllers
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Analog Devices Inc. LTC3899MPFE is a high-performance, 3-phase, synchronous buck-boost DC-DC controller. This positive output regulator features a wide input voltage range of 4.5V to 60V and an adjustable switching frequency from 105kHz to 835kHz, with a typical operating frequency of 350kHz to 535kHz. The controller supports a maximum duty cycle of 100% and includes robust control features such as Enable, Frequency Control, Soft Start, and Tracking. Its output is configured for positive voltage, and it can drive up to three outputs. The LTC3899MPFE is designed for demanding applications, including automotive, industrial power, and high-reliability systems. It is housed in a 38-TSSOP-EP (Exposed Pad) package for efficient thermal management, suitable for surface mounting. The device operates across an extended temperature range of -55°C to 150°C (TJ).
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 | 38-TFSOP (0.173"", 4.40mm Width) Exposed Pad |
| Output Type | Transistor Driver |
| Mounting Type | Surface Mount |
| Function | Step-Down |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| Output Configuration | Positive |
| Frequency - Switching | 105kHz ~ 835kHz, 350kHz ~ 535kHz |
| Topology | Buck, Buck-Boost |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 60V |
| Supplier Device Package | 38-TSSOP-EP |
| Synchronous Rectifier | Yes |
| Control Features | Enable, Frequency Control, Soft Start, Tracking |
| Serial Interfaces | - |
| Output Phases | 2 |
| Duty Cycle (Max) | 100% |
| Clock Sync | No |
| Number of Outputs | 3 |
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