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LTC3851EUD#TRPBF is listed in the DC DC Switching Controllers range at ChipApex. The manufacturer field lists Analog Devices Inc.. Its product description is IC REG CTRLR BUCK 16QFN. Review the specifications below when checking this part for your BOM.
DC DC Switching Controllers specifications for LTC3851EUD#TRPBF
- Description：IC REG CTRLR BUCK 16QFN
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Type：Transistor Driver
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Number of Outputs：1
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：4V ~ 38V
- Frequency - Switching：250kHz ~ 750kHz
- Duty Cycle (Max)：99%
- Synchronous Rectifier：Yes
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Current Limit, Enable, Frequency Control, Soft Start, Tracking
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-WFQFN Exposed Pad
- Supplier Device Package：16-QFN (3x3)
DC DC Switching Controllers datasheet and documents for LTC3851EUD#TRPBF
DC DC Switching Controllers Overview
The LTC3851EUD#TRPBF is a high-performance synchronous step-down switching regulator controller from Analog Devices. It drives an all N-channel synchronous power MOSFET stage to achieve high efficiency. The device operates with an input voltage range of 4.5V to 22V and supports output voltages such as 1.8V at 5A or 3.3V at 15A depending on the application design. It features a fixed switching frequency of 790kHz and utilizes a 16-pin QFN EP package. The controller includes integrated soft-start, tracking, and current limit functions for robust power management.
DC DC Switching Controllers Feature Summary
- Drives all N-channel synchronous power MOSFETs for high efficiency
- Supports pulse skip operation for improved light load performance
- Integrates soft-start and tracking capabilities
DC DC Switching Controllers Applications
- High efficiency synchronous step-down converters
- Design examples requiring pulse skip operation
- Automotive power supply applications
DC DC Switching Controllers Procurement Notes
Verify the specific suffix #TRPBF indicates tape and reel packaging when ordering. Confirm the exact input/output voltage requirements against the datasheet specifications for the EUD-1 variant. Ensure the 16-pin QFN EP footprint matches the PCB layout. Cross-reference the manufacturer part number with official Analog Devices documentation to avoid counterfeit components.
DC DC Switching Controllers Selection Notes
Select this component for designs requiring a synchronous buck controller with a 790kHz fixed frequency. It is suitable for applications needing drive for all N-channel MOSFETs. Consider the 4.5V to 22V input range compatibility. Evaluate thermal performance due to the QFN EP package. Compare against other LTC3851 variants if different frequencies or packages are required.
DC DC Switching Controllers Part Context
The LTC3851 series comprises high-performance synchronous step-down switching regulator controllers. The EUD-1 variant specifically refers to the automotive qualified version in a 16-pin QFN EP package. This family is designed to drive external N-channel power stages, offering flexibility in designing efficient DC/DC conversion solutions for various industrial and automotive loads.
DC DC Switching Controllers Replacement Considerations
Public confirmed substitute part numbers are not available in the provided source material. Consult Analog Devices technical support for direct replacements or cross-references.
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