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Product Detailed Parameters
- Description：IC REG BUCK 5V 3.5A 16MSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Fixed
- Number of Outputs：1
- Voltage - Input (Min)：3.4V
- Voltage - Input (Max)：42V
- Voltage - Output (Min/Fixed)：5V
- Voltage - Output (Max)：-
- Current - Output：3.5A
- Frequency - Switching：200kHz ~ 2.2MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：16-TFSOP (0.118", 3.00mm Width) Exposed Pad
- Supplier Device Package：16-MSOP-EP
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Overview
The LT8610AEMSE-5#TRPBF is a synchronous step-down switching regulator manufactured by Analog Devices Inc. It features a fixed 5V output with a maximum current of 3.5A. The device operates from an input voltage range of 3.4V to 42V and supports adjustable switching frequencies between 200kHz and 2.2MHz. It utilizes a 16-lead MSOP package with an exposed pad for thermal management. The component functions within a junction temperature range of -40°C to 125°C and includes shutdown capability.
Feature Summary
- Synchronous buck topology for high efficiency
- Fixed 5V output configuration
- Wide 42V input voltage tolerance
- Integrated thermal pad for heat dissipation
Applications
- Industrial control systems
- Telecommunications infrastructure
- Point-of-load regulation modules
Procurement Notes
Verify the specific suffix TRPBF indicates tape and reel packaging when ordering. Confirm the EMSE designation matches the required 16-MSOP package variant. Ensure compatibility with DC2012A or DC2139A evaluation boards if prototyping. Check manufacturer documentation for any recent PCN updates regarding material or assembly changes before finalizing procurement.
Selection Notes
Select this part for applications requiring a stable 5V rail from higher voltage sources up to 42V. The fixed output eliminates external resistor networks, simplifying design. Consider the 3.5A current limit for load requirements. The wide frequency range allows optimization for size versus noise. Verify thermal performance in the target enclosure given the surface mount package.
Part Context
This component belongs to the LT8610A family of micropower synchronous buck regulators. It shares core specifications with variants like LT8610AB and LT8610AC but differs in output voltage settings and package options. The LT8610 series is designed for space-constrained designs requiring high efficiency and low quiescent current.
Replacement Considerations
LT8610ABIMSE-5#TRPBF offers similar electrical characteristics with potential minor parameter variations. LT8610ACIMSE#TRPBF provides adjustable output instead of fixed 5V. Verify pinout and thermal pad connectivity when substituting. Review datasheets for differences in switching frequency ranges and protection features.
