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Product Detailed Parameters
- Description：IC REG BUCK ADJ 3A 10MSOP
- 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)：3V
- Voltage - Input (Max)：42V
- Voltage - Output (Min/Fixed)：0.782V
- Voltage - Output (Max)：42V
- Current - Output：3A
- Frequency - Switching：200kHz ~ 2.2MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad
- Supplier Device Package：10-MSOP-EP
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Overview
The LT8609BIMSE#PBF is a synchronous step-down switching regulator manufactured by Analog Devices Inc. It operates with an input voltage range up to 42V and provides a continuous output current of 2A, with a peak capability of 3A. The device features an adjustable output voltage and consumes only 1.7µA of quiescent current in standby mode. It is housed in a 10-lead MSOP package with an exposed pad for thermal management. The component supports surface mount mounting and functions within a junction temperature range of -40°C to 125°C.
Feature Summary
- High efficiency synchronous buck topology
- Ultra-low standby current consumption
- Compact monolithic design
Applications
- Industrial control systems
- Point-of-load regulation
- Battery-powered equipment
Procurement Notes
Verify the specific suffix #PBF indicates lead-free compliance when sourcing. Confirm the 10-MSOP package dimensions match the PCB footprint requirements. Ensure the supplier provides the official Analog Devices datasheet for electrical parameter validation. Check that the operating temperature range meets the environmental specifications of the target application.
Selection Notes
Select this component for applications requiring high input voltage tolerance up to 42V. Consider the 2A continuous current rating for load demands. Evaluate the need for adjustable output voltage flexibility. Assess the thermal performance provided by the exposed pad in the MSOP package for heat dissipation needs.
Part Context
This part belongs to the LT8609 family of high-speed synchronous regulators. It shares architectural similarities with the LT8609 and LT8609A variants. The B suffix typically denotes specific electrical characteristics or testing criteria within the product line. It serves as a compact solution for space-constrained power designs.
Replacement Considerations
Direct substitutes include the LT8609IMSE#PBF and LT8609AIMSE#PBF from Analog Devices. Verify pin compatibility and electrical parameters before substitution. Cross-reference with other 42V synchronous buck regulators if alternative sources are required.
