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Product Detailed Parameters
- Description：IC REG BUCK ADJ 1.2A 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)：4.3V
- Voltage - Input (Max)：38V
- Voltage - Output (Min/Fixed)：1.19V
- Voltage - Output (Max)：30V
- Current - Output：1.2A
- Frequency - Switching：200kHz ~ 2MHz
- 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 LT3971EMSE16#PBF is a synchronous step-down switching regulator manufactured by Analog Devices Inc. It operates with an input voltage range of 4.3 V to 38 V and delivers a maximum output current of 1.2 A. The device features a fixed output voltage of 1.19 V and supports a programmable switching frequency up to 2 MHz. It incorporates a low quiescent current of 2.8 uA and a shutdown mode with 1.7 uA supply current. The component is housed in a 16-lead MSOP package with an exposed pad and functions within a temperature range of -40°C to +125°C.
Feature Summary
- Synchronous buck topology for high efficiency
- Ultra-low quiescent current operation
- Programmable switching frequency capability
- Integrated thermal regulation protection
Applications
- Industrial control systems
- Distributed power architectures
- Battery-powered equipment
Procurement Notes
Verify the specific suffix and package variant against official datasheets, as availability may vary by region. Confirm RoHS compliance status through manufacturer documentation before integration. Ensure the selected part number matches the required output voltage configuration and pinout specifications for the target design.
Selection Notes
Select this regulator when a compact solution is required for high-input voltage applications. The wide input range accommodates various bus voltages. Consider the thermal performance of the MSOP package for heat dissipation requirements. Verify that the fixed output voltage meets the load requirements without additional adjustment circuitry.
Part Context
This component belongs to the LT3971 family of high-voltage synchronous buck regulators. The series is designed for applications requiring small footprint and high efficiency. The EMSE16 designation indicates a specific 16-lead MSOP package variant with a fixed low output voltage, distinguishing it from adjustable or higher voltage versions in the same product line.
Replacement Considerations
Consult official substitution guides for compatible parts within the LT3971 series. Verify pin compatibility and electrical parameters before replacing existing components.
