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Product Detailed Parameters
- Description：IC REG BUCK ADJ 3A 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)：3V
- Voltage - Input (Max)：42V
- Voltage - Output (Min/Fixed)：0.782V
- Voltage - Output (Max)：42V
- Current - Output：3A
- Frequency - Switching：200kHz ~ 2.2MHz
- Synchronous Rectifier：Yes
- 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 LT8609AIMSE#TRPBF is a high-efficiency, high-speed synchronous monolithic step-down switching regulator from Analog Devices. It operates with an input voltage range of 3.6V to 42V and delivers a continuous output current of 2A with a 3A peak capability. The device features adjustable output voltage starting from 0.782V and supports switching frequencies between 200kHz and 2.2MHz. It maintains a low non-switching quiescent current of 1.7µA and functions within a junction temperature range of -40°C to 125°C. The component is housed in a compact 10-MSOP package with an exposed pad.
Feature Summary
- Synchronous buck topology ensures high conversion efficiency across varying load conditions.
- Integrated spread spectrum frequency modulation reduces electromagnetic interference emissions.
- Compact design minimizes the required printed circuit board area for power management solutions.
Applications
- Industrial control systems requiring robust power regulation
- Distributed power architectures in equipment racks
- Battery-powered devices needing efficient voltage stepping
Procurement Notes
Verify the specific suffix and tape-and-reel packaging details against the manufacturer's latest documentation before ordering. Confirm that the 10-MSOP exposed pad thermal requirements are addressed in the layout. Ensure compatibility with existing supply chain channels as availability may vary by region.
Selection Notes
Select this component when a wide input voltage range up to 42V is required alongside a 2A continuous output capability. The adjustable output feature allows flexibility for various system rails. Consider the thermal performance of the MSOP package for the specific ambient operating environment.
Part Context
This part belongs to the LT8609 family of micropower buck regulators designed for space-constrained applications. It shares architectural similarities with other members like the LT8609AHMSE but differs in pinout and package configuration. The AIMSE variant specifically utilizes the smaller MSOP footprint compared to larger packages in the series.
Replacement Considerations
LT8609AJMSE#TRPBF offers similar electrical characteristics but includes a shutdown pin functionality not present in the AIMSE version. Verify if the absence of a shutdown feature in the AIMSE impacts the system design before substituting.
