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Product Detailed Parameters
- Description：IC REG BUCK ADJ 2A 10MSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：3.6V
- Voltage - Input (Max)：36V
- Voltage - Output (Min/Fixed)：0.79V
- Voltage - Output (Max)：20V
- Current - Output：2A
- Frequency - Switching：200kHz ~ 2.4MHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad
- Supplier Device Package：10-MSOP-EP
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Overview
The LT3685EMSE#TRPBF is a synchronous step-down switching regulator manufactured by Analog Devices Inc. It operates with an input voltage range of 3.6V to 36V and delivers up to 2A of output current. The device features adjustable output voltages from 0.79V to 20V. It supports switching frequencies between 200kHz and 2.4MHz, housed in a compact 10-MSOP package with exposed pad.
Feature Summary
- Integrated high-side N-channel and low-side P-channel MOSFETs for efficient power conversion
- Programmable switching frequency allows optimization for size or efficiency
- Internal soft-start limits inrush current during startup
- Cycle-by-cycle current limit and thermal shutdown protection
Applications
- Industrial point-of-load regulation
- Battery-powered equipment power management
- Distributed power systems
- Telecommunications infrastructure
Procurement Notes
Verify the specific suffix TRPBF indicates tape and reel packaging when ordering. Confirm the MSOP-10 package variant matches your PCB footprint requirements. Ensure compatibility with the required input voltage range and load current specifications before finalizing procurement.
Selection Notes
Select this component for applications requiring a wide input voltage range and moderate output current. The adjustable frequency feature enables designers to balance electromagnetic interference performance against external component size. Verify that the thermal characteristics of the MSOP package suit the expected ambient operating conditions.
Part Context
This part belongs to the LT3685 family of synchronous buck regulators designed for high-efficiency power conversion. It serves as a core power management solution for systems needing stable voltage regulation from varying input sources. The device integrates essential protection features to ensure reliable operation in demanding environments.
Replacement Considerations
LT3685EDD#TRPBF offers identical electrical performance but utilizes a DFN-10 package instead of MSOP-10. Designers must account for mechanical footprint differences when substituting these variants. Other LT368x series parts may share functional similarities but differ in current ratings or package types.
