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Product Detailed Parameters
- Description：IC REG BUCK ADJ 2A 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)：3.6V
- Voltage - Input (Max)：58V
- Voltage - Output (Min/Fixed)：0.79V
- Voltage - Output (Max)：57.42V
- Current - Output：2A
- Frequency - Switching：225kHz ~ 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
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Overview
The LT3980EMSE#PBF is a synchronous step-down DC/DC converter featuring an adjustable switching frequency from 225kHz to 2.25MHz. It supports an input voltage range of 3.6V to 58V and delivers up to 2A output current with an adjustable output voltage starting at 0.79V. The device operates within a junction temperature range of -40°C to 125°C and utilizes a 14-lead WDFN package with an exposed thermal pad for efficient heat dissipation.
Feature Summary
- Synchronous rectification architecture for high efficiency across load ranges
- Adjustable switching frequency allows optimization for size or noise performance
- Wide input voltage capability suitable for high-voltage distribution systems
Applications
- Industrial control power supplies
- Telecommunications infrastructure equipment
- Automotive electronics systems
Procurement Notes
Verify the specific suffix EMSE against the official Analog Devices datasheet to confirm the MSOP-10 package variant matches your PCB footprint requirements. Ensure the #PBF designation confirms lead-free compliance for your assembly process standards. Cross-reference the manufacturer part number directly with authorized distributors to avoid counterfeit components.
Selection Notes
Select this component when designing systems requiring a wide input voltage range up to 58V combined with moderate output current capabilities. The adjustable frequency feature is critical for applications needing to shift switching noise away from sensitive RF bands. Consider the thermal performance of the exposed pad layout for high ambient temperature environments.
Part Context
This part belongs to the LT3980 family of high voltage synchronous buck converters designed by Analog Devices. It shares core topology with other variants in the series but differs in package configuration and thermal characteristics. The EMSE suffix specifically denotes the MSOP-10 package option, distinguishing it from DFN or SOIC versions available in the same product line.
Replacement Considerations
LT3980EDE#PBF offers identical electrical specifications but utilizes a 14-WFDFN package instead of the MSOP-10 form factor.
