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Product Detailed Parameters
- Description：IC REG BUCK ADJ 5A 16MSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：4.3V
- Voltage - Input (Max)：40V
- Voltage - Output (Min/Fixed)：1.197V
- Voltage - Output (Max)：38.8V
- Current - Output：5A
- Frequency - Switching：200kHz ~ 2.25MHz
- Synchronous Rectifier：No
- 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
Download product information
Overview
The LT3976EMSE#TRPBF is a high-efficiency, wide input voltage range synchronous step-down DC/DC converter from Analog Devices. It integrates a 42V N-channel power switch and operates with an input voltage range of 2.7V to 42V. The device supports output currents up to 5A with external current sharing capability. It features adjustable switching frequency from 100kHz to 2MHz, allowing optimization for size and efficiency. Integrated protections include over-current, over-voltage, and thermal shutdown. The EMSE package is a thermally enhanced 16-lead MSOP.
Feature Summary
- Wide input voltage range supporting 2.7V to 42V operation
- Integrated 42V N-channel power switch for compact design
- Adjustable switching frequency from 100kHz to 2MHz
- Built-in protection against over-current, over-voltage, and thermal events
Applications
- Industrial automation systems
- Telecommunications infrastructure
- Point-of-load regulation in server boards
Procurement Notes
Verify the exact part number suffix TRPBF indicates tape and reel packaging. Confirm the EMSE package type matches your PCB footprint requirements. Ensure the operating temperature range meets your application's environmental specifications. Check for any specific ordering notes regarding lead-free status or RoHS compliance on the official datasheet.
Selection Notes
Select this component when a wide input voltage range and high efficiency are required in a small form factor. Consider the adjustable frequency feature for noise-sensitive applications. Evaluate the thermal performance of the MSOP package against your board's heat dissipation capabilities. Compare pinout compatibility if replacing existing designs.
Part Context
The LT3976 belongs to Analog Devices' Linear Technology portfolio of high-performance DC/DC converters. It is designed for applications requiring robust performance across varying input conditions. The EMSE variant specifically denotes the MSOP package with exposed pad for improved thermal management.
Replacement Considerations
Direct replacements should be sought from the same product family or equivalent parts with matching input/output specifications. Verify pin-to-pin compatibility before substitution. Cross-reference electrical parameters such as switching frequency range and current limits.
