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Product Detailed Parameters
- Description：IC REG BUCK 3.3V 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)：3.3V
- Voltage - Output (Max)：-
- Current - Output：3.5A
- Frequency - Switching：200kHz ~ 2.2MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 150°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 LT8610AHMSE-3.3#TRPBF is a synchronous step-down switching regulator manufactured by Analog Devices Inc., designed for high-efficiency power conversion in compact applications. This specific variant features a fixed 3.3V output voltage and supports a maximum continuous output current of 3.5A. It operates with an input voltage range from 3.4V to 42V, accommodating various bus voltages. The device integrates a programmable switching frequency ranging from 200kHz to 2.2MHz, allowing optimization for size or efficiency. It utilizes a 16-lead HMSE package with an exposed pad for enhanced thermal performance, suitable for surface-mount assembly in industrial and automotive environments.
Feature Summary
- Integrated synchronous rectification for improved efficiency across load ranges
- Fixed 3.3V output configuration eliminates external feedback resistor requirements
- Wide input voltage capability supports direct connection to 12V, 24V, and 48V systems
- Programmable switching frequency allows design flexibility between noise and component size
Applications
- Industrial point-of-load regulation for microprocessors and FPGAs
- Automotive infotainment and sensor node power distribution
- Telecommunications equipment bias supplies
- Embedded system DC-DC conversion stages
Procurement Notes
Verify the exact suffix #TRPBF confirms tape-and-reel packaging when ordering. Confirm the 'H' grade designation matches required temperature specifications against official datasheets. Cross-reference the full part number with Analog Devices inventory systems to ensure availability status. Validate that the fixed 3.3V output aligns with target circuit requirements before procurement.
Selection Notes
Select this part when a stable 3.3V rail is required without external programming resistors. The 3.5A current rating suits moderate load applications where space constraints favor integrated solutions. Consider the HMSE package for superior thermal dissipation compared to standard MSOP variants. Ensure input voltage does not exceed 42V limits during transient conditions.
Part Context
This component belongs to the LT8610A family of micropower synchronous buck regulators. The family offers adjustable and fixed output options within the same pinout architecture. The LT8610AH variant specifically denotes the higher temperature grade version. It shares core topology with other members like LT8610AIMSE but differs in output configuration and thermal handling capabilities.
Replacement Considerations
LT8610ABHMSE-3.3#TRPBF serves as a direct functional substitute within the same series. LT8610ACHMSE-3.3#TRPBF may be considered if lower cost grade suffices. Verify pin compatibility and thermal characteristics when substituting. Check updated datasheets for any minor parameter shifts between sub-families.
