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LTC3869IUF#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 28QFN. Review the specifications below when checking this part for your BOM.
DC DC Switching Controllers specifications for LTC3869IUF#TRPBF
- Description：IC REG CTRLR BUCK 28QFN
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- Output Type：Transistor Driver
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Number of Outputs：2
- Output Phases：2
- Voltage - Supply (Vcc/Vdd)：4V ~ 38V
- Frequency - Switching：250kHz ~ 780kHz
- Duty Cycle (Max)：95%
- Synchronous Rectifier：Yes
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：28-WFQFN Exposed Pad
- Supplier Device Package：28-QFN (4x4)
- Grade：-
- Qualification：-
DC DC Switching Controllers datasheet and documents for LTC3869IUF#TRPBF
DC DC Switching Controllers Overview
The LTC3869IUF#TRPBF is a dual synchronous step-down DC/DC controller manufactured by Analog Devices Inc. It operates with an input voltage range of 4V to 24V and supports output voltages from 600mV to 12.5V. The device delivers up to 30A of output current per phase, utilizing a QFN-28 package. It features a programmable switching frequency between 450kHz and 550kHz and maintains a quiescent current of 30µA. The component functions within a temperature range of -40°C to +125°C.
DC DC Switching Controllers Feature Summary
- Dual-phase architecture for high-current delivery
- Low quiescent current operation
- Programmable switching frequency
DC DC Switching Controllers Applications
- High-density point-of-load regulation
- Industrial equipment power systems
- Telecommunications infrastructure
DC DC Switching Controllers Procurement Notes
Verify the specific suffix against official documentation to confirm pinout and thermal characteristics. Confirm RoHS compliance status through manufacturer datasheets. Ensure compatibility with external MOSFET selection for the intended current load. Validate package dimensions against PCB footprint requirements prior to procurement.
DC DC Switching Controllers Selection Notes
Select this controller when dual-phase synchronization is required for high-current applications. Consider the 4V to 24V input range for standard bus architectures. Evaluate thermal management needs based on the QFN-28 package limitations. Compare efficiency targets against the specified 450kHz to 550kHz operating range.
DC DC Switching Controllers Part Context
This component belongs to the LTC3869 series of low IQ synchronous buck controllers. It is designed for applications requiring efficient power conversion in compact spaces. The series emphasizes low standby power consumption while maintaining high dynamic performance for sensitive loads.
DC DC Switching Controllers FAQ
What is the maximum output voltage capability?
The device supports output voltages ranging from 600mV to 12.5V.
Does the part include internal MOSFETs?
No, it is a controller that requires external synchronous MOSFETs.
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