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Product Detailed Parameters
- Description：IC REG BUCK 5V 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)：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 LT8610AIMSE-5#PBF is a synchronous step-down switching regulator from the Analog Devices LT8610A series, housed in a 16-lead MSOP package. It delivers a fixed 5 V output at up to 3.5 A with an input voltage range of 3.4 V to 42 V. The device features a low quiescent current of 2.5 µA and supports adjustable switching frequencies between 200 kHz and 2.2 MHz. It operates within a temperature range of -40°C to +125°C and includes shutdown functionality for power management.
Feature Summary
- Synchronous buck topology providing high efficiency across wide load ranges
- Ultra-low quiescent current operation for extended battery life in standby modes
- Integrated Silent Switcher architecture to minimize electromagnetic interference
- Wide input voltage capability suitable for industrial and automotive bus systems
Applications
- Industrial distributed power supplies
- Automotive infotainment and sensor nodes
- Point-of-load regulation for microprocessors
- Battery-powered equipment requiring efficient step-down conversion
Procurement Notes
Verify the specific suffix #PBF indicates lead-free compliance and RoHS adherence. Confirm the AIMSE designation corresponds to the industrial temperature grade (-40°C to +125°C) and MSOP-16 package variant. Cross-reference the manufacturer datasheet for exact ordering codes and availability status, as supply constraints may apply to this specific part number.
Selection Notes
Select this component when a fixed 5 V output is required from a higher voltage rail up to 42 V. The 3.5 A current rating suits moderate power applications. Consider the 2.5 µA quiescent current for energy-sensitive designs. Ensure the PCB layout accommodates the MSOP-16 package thermal requirements and that the switching frequency setting aligns with external component selection for desired ripple performance.
Part Context
This part belongs to the LT8610A family of micropower synchronous buck regulators. It shares core architecture with variants like LT8610ABIMSE-5#PBF but differs in temperature grade and specific manufacturing lot attributes. The LT8610 series is designed for applications demanding small solution size and high efficiency in space-constrained environments.
Replacement Considerations
LT8610ABIMSE-5#PBF offers similar electrical characteristics but may differ in temperature grade or revision. LT8610AEMSE-5#PBF represents another variant within the same functional family. Verify pinout compatibility and thermal performance before substitution.
