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LTC3851AMPMSE-1#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 16MSOP. Review the specifications below when checking this part for your BOM.
DC DC Switching Controllers specifications for LTC3851AMPMSE-1#TRPBF
- Description：IC REG CTRLR BUCK 16MSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- 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：235kHz ~ 750kHz
- Duty Cycle (Max)：99%
- Synchronous Rectifier：Yes
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Enable, Frequency Control, Power Good, Soft Start, Tracking
- Operating Temperature：-55°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：16-TFSOP (0.118", 3.00mm Width) Exposed Pad
- Supplier Device Package：16-MSOP-EP
DC DC Switching Controllers datasheet and documents for LTC3851AMPMSE-1#TRPBF
DC DC Switching Controllers Overview
The LTC3851AMPMSE-1#TRPBF is a high-performance synchronous step-down switching regulator controller from Analog Devices Inc., designed to drive an all N-channel synchronous power MOSFET stage. It features a constant frequency current mode architecture with a phase-lockable switching frequency up to 750kHz. The device supports input voltages ranging from 4V to 38V and delivers output voltages between 800mV and 5.5V, capable of handling output currents up to 25A. Operating within a temperature range of -40°C to +125°C, it utilizes a 16-pin MSOP package.
DC DC Switching Controllers Feature Summary
- Drives all N-channel synchronous power MOSFETs for high efficiency
- Constant frequency current mode architecture allows phase-locking up to 750kHz
- Integrated soft start, tracking, and frequency control capabilities
DC DC Switching Controllers Applications
- High efficiency 3.3V/15A step-down converters
- 1.5V/15A synchronous regulators operating at 350kHz
- 1.8V/5A converters utilizing pulse skip operation
DC DC Switching Controllers Procurement Notes
Verify the specific suffix #TRPBF indicates tape and reel packaging when sourcing. Confirm availability status as supply may be limited or restricted in certain regions. Ensure compatibility with the 16-pin MSOP footprint during PCB layout. Cross-reference the manufacturer part number directly with official Analog Devices documentation to avoid counterfeit components.
DC DC Switching Controllers Selection Notes
Select this controller for designs requiring high current delivery with all N-channel MOSFETs. Consider the wide input voltage range suitable for various bus architectures. Evaluate thermal performance given the 125°C maximum rating. Verify that the required switching frequency aligns with the phase-lockable limit for synchronization needs.
DC DC Switching Controllers Part Context
This component belongs to the LTC3851A series, which are high-performance synchronous buck controllers. The AMP variant denotes a specific package type optimized for surface mount applications. It serves as a core power management IC for converting higher input voltages to lower stable DC outputs efficiently.
DC DC Switching Controllers Replacement Considerations
LTC3851EMSE-1#TRPBF
DC DC Switching Controllers FAQ
What is the maximum switching frequency supported by the LTC3851AMPMSE-1?
The device supports a phase-lockable switching frequency of up to 750kHz.
Can the LTC3851AMPMSE-1 support pulse skip operation?
Yes, typical application circuits demonstrate its use in converters with pulse skip operation for improved light-load efficiency.
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