LT3580IMS8E

Description：IC REG BST SEPIC ADJ 2A 8MSOP
Series：-
Mfr：Analog Devices Inc.
Package：Tube

SKU:5b7bbf285a2f Category: Voltage Regulators - DC DC Switching Regulators Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：IC REG BST SEPIC ADJ 2A 8MSOP
Series：-
Mfr：Analog Devices Inc.
Package：Tube
Function：Step-Up, Step-Up/Step-Down
Output Configuration：Positive or Negative
Topology：Boost, SEPIC
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：2.5V
Voltage - Input (Max)：32V
Voltage - Output (Min/Fixed)：5V
Voltage - Output (Max)：42V (Switch)
Current - Output：2A (Switch)
Frequency - Switching：200kHz ~ 2MHz
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
Supplier Device Package：8-MSOP-EP
Grade：-
Qualification：-

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LT3580IMS8E

Overview

The LT3580IMS8E is a high-voltage switching regulator IC manufactured by Analog Devices Inc., housed in an 8-lead MSOP package with an exposed thermal pad. It integrates a 2A power switch and supports Boost, Inverting, Cuk, and SEPIC topologies. The device operates with an input voltage range of 2.5V to 32V and can deliver up to 42V output. It features a programmable switching frequency from 200kHz to 2MHz, adjustable soft-start, and shutdown functionality. The component is rated for industrial temperatures between -40°C and +125°C junction temperature.

Feature Summary

Integrates a 2A power switch supporting multiple DC/DC converter topologies including boost, inverting, Cuk, and SEPIC configurations.
Features a wide input voltage range suitable for various single-cell battery or regulated bus applications.
Includes adjustable soft-start capability to limit inrush current during startup sequences.
Offers flexible switching frequency programming to optimize external component size and efficiency.

Applications

Battery-powered equipment requiring negative voltage rails
Industrial control systems needing isolated or non-isolated DC/DC conversion
Automotive electronics operating within specified voltage limits
Portable devices utilizing single-cell lithium-ion batteries

Procurement Notes

Verify the specific suffix 'IMS8E' confirms the industrial temperature grade (-40°C to +125°C) and MSOP-8EP package variant. Confirm RoHS compliance status via the manufacturer's latest material declaration. Ensure the ordering part number matches the required tape-and-reel or tube packaging format. Cross-reference the datasheet revision date to validate pinout and electrical specifications against current production standards.

Selection Notes

Select this component when a single-inductor solution is required for multiple output polarities or complex topologies like Cuk or SEPIC. The integrated 2A switch handles moderate load currents without external passives. Consider the thermal performance of the MSOP-8EP package for PCB layout optimization. Evaluate the switching frequency setting against EMI requirements and inductor size constraints for the target application environment.

Part Context

This part belongs to the LT3580 family of high-voltage switching regulators designed for versatile power conversion needs. The IMS8E designation specifically indicates the industrial temperature range and surface-mount packaging. It serves as a compact alternative to multi-component discrete solutions, integrating control logic, drivers, and the power switch into a single small-footprint IC.