LT3685IMSE#PBF

$7.96

Description：IC REG BUCK ADJ 2A 10MSOP
Series：-
Mfr：Analog Devices Inc.
Package：Tube

SKU:bc5b59bbe3d4 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 2A 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)：3.6V
Voltage - Input (Max)：36V
Voltage - Output (Min/Fixed)：0.79V
Voltage - Output (Max)：20V
Current - Output：2A
Frequency - Switching：200kHz ~ 2.4MHz
Synchronous Rectifier：No
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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LT3685IMSE#PBF

Overview

The LT3685IMSE#PBF is a synchronous step-down switching regulator manufactured by Analog Devices Inc. It features an integrated high-efficiency power switch capable of delivering up to 2A output current. The device operates with an input voltage range from 3.6V to 36V and supports adjustable output voltages starting from 0.79V. It utilizes a fixed switching frequency of 2.4MHz, enabling the use of compact external components. The regulator includes programmable soft-start and cycle-by-cycle current limit protection.

Feature Summary

Integrates a high-efficiency synchronous power switch for improved performance
Supports wide input voltage ranges suitable for various industrial sources
Includes programmable soft-start functionality to manage inrush current
Features cycle-by-cycle current limit protection against short circuits

Applications

Industrial point-of-load regulation
Battery-powered systems requiring efficient power management
Automotive electronics applications
Distributed power supply architectures

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and specific package markings match official datasheet specifications. Ensure storage conditions adhere to moisture sensitivity level requirements prior to assembly. Cross-reference ordering part numbers carefully to avoid confusion with similar family members.

Selection Notes

Select this component when a compact solution is required for converting higher bus voltages down to lower logic or analog rails. The 2.4MHz frequency allows for smaller inductors compared to lower-frequency alternatives. Consider thermal dissipation requirements based on the load current and input-output voltage differential within the MSOP-10 package.

Part Context

This part belongs to the LT3685 family of synchronous buck regulators designed for space-constrained applications. It shares architectural similarities with other high-frequency converters in the portfolio but is distinct in its specific 2A current rating and 2.4MHz fixed frequency operation. It serves as a dedicated DC-DC converter rather than a controller requiring external MOSFETs.