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Product Detailed Parameters
- Description：IC REG BUCK ADJ 3.5A 16MSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：3.7V
- Voltage - Input (Max)：42V
- Voltage - Output (Min/Fixed)：0.97V
- Voltage - Output (Max)：39.7V
- Current - Output：3.5A
- Frequency - Switching：200kHz ~ 2.2MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 175°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 LT8610AXMSE#PBF is a micropower synchronous step-down DC/DC converter manufactured by Analog Devices Inc. It operates with an input voltage range of 3.4V to 42V and delivers up to 3.5A of output current. The device features adjustable switching frequencies from 200kHz to 2.2MHz and maintains a quiescent current of 2.5µA. It supports output voltages down to 0.97V and functions within a temperature range of -40°C to +125°C. The component is housed in a 16-lead MSOP package with an exposed pad for thermal management.
Feature Summary
- Integrates TrueSync synchronous rectification architecture using internal MOSFETs to replace external diodes, reducing conduction losses and improving efficiency at low output voltages.
- Utilizes peak current mode control with slope compensation to ensure stable operation during transient loads and short-circuit conditions without requiring external compensation components.
Applications
- Automotive electronics systems requiring wide input voltage tolerance
- Industrial equipment power supplies operating in harsh environments
- Point-of-load regulation for microprocessors and FPGAs
Procurement Notes
Verify the specific suffix 'A' against official Analog Devices documentation to confirm if it denotes a distinct electrical specification or variant compared to standard LT8610 models. Confirm RoHS compliance status and lead-free pin availability through authorized distributors. Ensure the MSOP-16 package matches the target PCB footprint and thermal requirements.
Selection Notes
Select this component when designing systems that require high efficiency across a wide input voltage range while maintaining low standby power consumption. It is suitable for applications where space constraints necessitate a compact MSOP package with integrated thermal dissipation capabilities. Consider the 2.5µA quiescent current for battery-powered or always-on systems.
Part Context
This part belongs to the LT8610A series of micropower synchronous buck regulators designed for automotive and industrial applications. The series is characterized by its ability to operate efficiently at high frequencies and handle wide input voltage variations. It represents a solution for high-density power conversion where thermal performance and reliability are critical.
Replacement Considerations
LT8610EMSE#PBF: Lower output current rating (2.5A).
FAQ
What is the minimum output voltage supported by the LT8610AXMSE#PBF?
The device supports adjustable output voltages starting from 0.97V.
How does the LT8610AXMSE#PBF handle short-circuit conditions?
It employs peak current mode control that automatically limits current and allows inductor saturation during short circuits, enhancing system robustness.
