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Product Detailed Parameters
- Description：IC REG BUCK ADJ 350MA 10MSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：4.2V
- Voltage - Input (Max)：40V
- Voltage - Output (Min/Fixed)：1.21V
- Voltage - Output (Max)：25V
- Current - Output：350mA
- Frequency - Switching：200kHz ~ 2.25MHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Supplier Device Package：10-MSOP
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Overview
The LT3970IMS#TRPBF is a monolithic buck switching regulator manufactured by Analog Devices Inc. It operates with an input voltage range of 4.2V to 40V and delivers up to 350mA output current. The device features adjustable switching frequencies from 200kHz to 2.2MHz and ultra-low quiescent current consumption of 1.8µA. It utilizes a 10-lead MSOP package and supports operation temperatures from -40°C to +125°C.
Feature Summary
- Integrates high-side N-channel MOSFETs for efficient power conversion
- Supports adjustable switching frequency to optimize external component size
- Features low quiescent current for extended battery life in portable applications
Applications
- Battery-powered portable equipment
- Industrial control systems
- Automotive electronics
Procurement Notes
Verify the specific suffix #TRPBF indicates tape and reel packaging when sourcing components. Confirm the manufacturer part number matches exactly to ensure compatibility with design specifications. Check current availability status as supply constraints may affect procurement timelines. Ensure compliance with RoHS directives if required for the target market.
Selection Notes
Select this component for designs requiring wide input voltage ranges and compact footprints. Consider the adjustable frequency feature to balance efficiency against electromagnetic interference requirements. Evaluate thermal performance within the MSOP package for the expected load conditions. Compare against fixed-frequency alternatives if simplified design is preferred over optimization flexibility.
Part Context
This part belongs to the LT3970 family of step-down regulators designed for high-efficiency power management. It shares core architecture with variants like LT3970IMS#PBF but differs in packaging format. The series targets applications needing robust performance across varying input voltages while maintaining small solution sizes.
Replacement Considerations
LT3970IMS#PBF serves as a tube-packaged alternative with identical electrical characteristics. Verify pinout compatibility and thermal dissipation capabilities when substituting between packaging types.
