LT8609AEMSE#PBF

$7.36

Description：IC REG BUCK ADJ 3A 10MSOP
Series：-
Mfr：Analog Devices Inc.
Package：Tube

SKU:ceef556ad6bf Category: Voltage Regulators - DC DC Switching Regulators Brand: Analog Devices Inc.

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Product introduction

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
Grade：-
Qualification：-

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LT8609AEMSE#PBF

Overview

The LT8609AEMSE#PBF is a micro-power synchronous step-down switching regulator from Analog Devices. It operates with an input voltage range of 3V to 42V and delivers up to 3A output current. The device features adjustable output voltages starting from 0.782V, with a fixed frequency operation at 2MHz. It utilizes a 10-MSOP package with an exposed pad for thermal management. The regulator supports a shutdown mode with ultra-low quiescent current consumption.

Feature Summary

Micro-power architecture designed for extended battery life in portable applications
Integrated slow edge speed control to minimize electromagnetic interference emissions
Synchronous buck topology ensures high conversion efficiency across load ranges
Supports spread spectrum frequency modulation for further EMI reduction

Applications

Industrial equipment power distribution systems
Automotive infotainment and sensor modules
Portable instrumentation powered by single-cell lithium batteries
Distributed power architectures requiring low noise regulation

Procurement Notes

Verify the specific suffix PBF confirms lead-free compliance and RoHS standards before integration. Confirm the MSOP-10 package dimensions match your PCB footprint requirements. Ensure the operating temperature range aligns with your environmental specifications. Cross-reference the datasheet revision date to ensure compatibility with your design tools.

Selection Notes

Select this component when input voltages exceed standard 5V or 12V rails but remain below 42V. Choose the EMSE variant over standard versions if strict EMI regulations apply to your enclosure. Consider the 2MHz switching frequency for smaller passive component sizes compared to lower-frequency alternatives. Evaluate thermal dissipation needs based on the 3A peak capability and package thermal resistance.

Part Context

This part belongs to the LT8609 family of synchronous buck regulators. It shares architectural similarities with the LT8609B and LT8609S variants, differing primarily in quiescent current specifications and EMI optimization features. The EMSE designation indicates the specific MSOP package configuration used for surface-mount assembly.