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Product Detailed Parameters
- Description：IC REG BUCK ADJ 3A 10MSOP
- 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)：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 ~ 150°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 LT8609AJMSE#TRPBF is a synchronous step-down switching regulator from Analog Devices, designed for high-efficiency power conversion. It features an adjustable output voltage with a continuous current capability of 3 A and a peak current rating of 3 A. The device supports an input voltage range from 3 V to 42 V. It incorporates a programmable switching frequency ranging from 200 kHz to 2.2 MHz, allowing optimization for specific design requirements. The quiescent current is specified at 1 uA, supporting low standby power consumption. The component operates within a junction temperature range of -40°C to +150°C and is housed in a 10-MSOP package.
Feature Summary
- Synchronous buck topology providing high efficiency across the load range
- Adjustable output voltage configuration for flexible system design
- Wide input voltage tolerance suitable for diverse power sources
- Integrated shutdown pin for enhanced power management control
Applications
- Industrial automation power supplies
- Distributed power systems
- Battery-powered equipment
- Embedded computing platforms
Procurement Notes
Verify the exact suffix and marking on the physical component to confirm it matches the LT8609AJMSE#TRPBF designation. Ensure that the supply chain source provides valid traceability documentation. Check for any specific handling requirements related to moisture sensitivity levels as defined in the manufacturer datasheet. Confirm compatibility with the intended PCB footprint and thermal management strategy before finalizing procurement orders.
Selection Notes
Select this component when a compact solution is required for converting higher input voltages down to lower regulated outputs. The wide operating temperature range makes it suitable for harsh environments. Consider the trade-off between switching frequency and external component size. Ensure the application does not exceed the maximum input voltage or current limits specified in the official technical documentation.
Part Context
This part belongs to the LT8609 family of synchronous step-down regulators. The AJ suffix typically denotes specific performance grades or temperature ranges compared to other variants like AH or AE. The MSOP package offers a small form factor for space-constrained designs. It serves as a core power management IC for systems requiring reliable DC-DC conversion.
Replacement Considerations
Direct substitutes include LT8609AHMSE#TRPBF and LT8609AEMSE#TRPBF, which share similar electrical characteristics but may differ in specific parameter tolerances or package variations. Verify pinout compatibility and thermal performance when swapping between these variants.
