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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 ~ 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-3.3#TRPBF is a synchronous step-down switching regulator from Analog Devices Inc., housed in a 16-lead MSOP package with an exposed pad. It delivers a fixed 3.3V output at up to 3.5A. The device operates with an input voltage range of 3.4V to 42V and supports adjustable switching frequencies between 200kHz and 2.2MHz. It features a quiescent current of 2.5µA, thermal shutdown protection, and operates within a junction temperature range of -40°C to 125°C.
Feature Summary
- Integrated synchronous rectification for high efficiency
- Wide 42V input voltage capability
- Low quiescent current operation
- Adjustable switching frequency
Applications
- Industrial point-of-load regulation
- Battery-powered equipment power management
- General-purpose DC/DC conversion
Procurement Notes
Verify the specific suffix #TRPBF confirms tape-and-reel packaging. Confirm the 'I' grade indicates industrial temperature rating. Ensure the '-3.3' designation matches the required fixed output voltage. Cross-reference the manufacturer part number with official Analog Devices documentation to validate pinout and electrical specifications before integration.
Selection Notes
Select this component when a fixed 3.3V rail is required from higher voltage sources up to 42V. The 3.5A current capacity suits moderate load applications. Consider the MSOP-16 package constraints for thermal dissipation. Verify that the 200kHz to 2.2MHz frequency range aligns with external component size and EMI requirements.
Part Context
This part belongs to the LT8610A family of micropower synchronous buck regulators. It shares core architecture with variants like LT8610ACIMSE but differs in output configuration and temperature grade. The family emphasizes low standby current and wide input ranges for portable and industrial systems.
Replacement Considerations
LT8610ABIMSE-3.3#TRPBF offers automotive-grade reliability with extended temperature limits. LT8610AIMSE provides an adjustable output variant instead of fixed 3.3V. LT8608IMSE is a lower current (1.5A) alternative in a smaller package.
