ChipApex | Global Electronic Components Supplier
SEARCH
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
LTC3859AIUHF#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 MULT TOPOLOGY 38QFN. Review the specifications below when checking this part for your BOM.
DC DC Switching Controllers specifications for LTC3859AIUHF#TRPBF
- Description：IC REG CTRLR MULT TOPOLOGY 38QFN
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- Output Type：Transistor Driver
- Function：Step-Down, Step-Up/Step-Down
- Output Configuration：Positive
- Topology：Buck, Buck-Boost, SEPIC
- Number of Outputs：3
- Output Phases：2
- Voltage - Supply (Vcc/Vdd)：4.5V ~ 38V
- Frequency - Switching：115kHz ~ 835kHz, 350kHz ~ 535kHz
- Duty Cycle (Max)：99%, 100%
- Synchronous Rectifier：Yes
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Enable, Frequency Control, Power Good, Soft Start, Tracking
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：38-WFQFN Exposed Pad
- Supplier Device Package：38-QFN (5x7)
DC DC Switching Controllers datasheet and documents for LTC3859AIUHF#TRPBF
DC DC Switching Controllers Overview
The LTC3859AIUHF#TRPBF is a triple-output synchronous DC/DC switching regulator controller from Analog Devices. It supports Buck, Boost, and SEPIC topologies with an input voltage range of 4.5V to 38V. The device drives all N-channel power MOSFET stages for high efficiency. Output voltages are adjustable from 800mV to 24V, supporting up to 25A total output current across three channels. Switching frequencies range from 75kHz to 850kHz. It operates within a temperature range of -40°C to +125°C TJ.
DC DC Switching Controllers Feature Summary
- Supports multiple converter topologies including buck, boost, and SEPIC configurations.
- Drives all N-channel power MOSFET stages for efficient power conversion.
- Includes control features such as enable, frequency control, power good, soft start, and tracking.
DC DC Switching Controllers Applications
- High-efficiency triple output converters
- Wide input range dual synchronous buck/boost converters
- Systems requiring combined buck and SEPIC outputs
DC DC Switching Controllers Procurement Notes
Verify the specific suffix #TRPBF indicates tape and reel packaging when ordering. Confirm the component status is active or in production before finalizing designs. Check datasheet revisions for any updates to electrical characteristics or pinout definitions. Ensure compatibility with the intended thermal management solution given the QFN-38 package.
DC DC Switching Controllers Selection Notes
Select this controller for applications requiring three independent regulated outputs from a single IC. It is suitable for designs needing flexible topology combinations like buck-boost or SEPIC alongside standard buck regulation. Consider the wide input voltage range and adjustable switching frequency for optimizing efficiency and component size.
DC DC Switching Controllers Part Context
This part belongs to the LTC3859 family of high-performance triple output synchronous controllers. It is designed for complex power distribution networks where space and efficiency are critical. The AI variant typically denotes specific performance grades or temperature ranges within the product line.
DC DC Switching Controllers Replacement Considerations
Direct substitutes include other parts in the LTC3859 series such as LTC3859EUHF#TRPBF or LTC3859IUHF#TRPBF, which share similar functionality but may differ in specific electrical parameters or temperature ratings. Verify pin-to-pin compatibility and electrical specifications before substitution.
DC DC Switching Controllers FAQ
What topologies does the LTC3859AIUHF support?
It supports Buck, Boost, and SEPIC topologies for its three output channels.
What is the input voltage range for this controller?
The input voltage range is specified from 4.5V to 38V.
Explore related parts through Power Management (PMIC), Integrated Circuits (ICs), all product categories, ChipApex homepage.
