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Product Detailed Parameters
- Description：IC REG BUCK 3.3V 3.5A 16MSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- 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#PBF is a synchronous step-down DC/DC converter from Analog Devices, housed in a 16-lead MSOP package with an exposed pad. It provides a fixed 3.3V output at up to 3.5A. The device operates with input voltages from 3.4V to 42V and features a programmable switching frequency between 200kHz and 2.2MHz. Quiescent current is 2.5µA. It functions within a temperature range of -40°C to +125°C.
Feature Summary
- Synchronous buck topology for high efficiency
- Wide 42V input voltage capability
- Low quiescent current operation
- Programmable switching frequency
Applications
- Industrial distributed power systems
- Point-of-load regulation
- Battery-powered equipment
Procurement Notes
Verify the specific suffix '#PBF' confirms lead-free compliance and tube packaging. Confirm the 'H' grade indicates extended temperature ratings if required. Cross-reference the full part number against official Analog Devices documentation to ensure compatibility with your design specifications before ordering.
Selection Notes
Select this component when a compact solution is needed for 42V input systems requiring 3.5A. The fixed 3.3V output eliminates external feedback resistors. Consider the MSOP-16 package constraints for thermal management. Ensure the application supports the specified operating temperature range.
Part Context
This part belongs to the LT8610A family of high-speed synchronous buck regulators. It shares architectural similarities with the standard LT8610 but offers improved performance characteristics. The series is designed for applications demanding small footprint and high efficiency in power-constrained environments.
Replacement Considerations
Check for LT8610ABIMSE-3.3#PBF as a potential variant within the same family. Verify pinout and electrical parameters match exactly. Consult manufacturer substitution guides for cross-referencing other synchronous buck regulators.
