LT3493IDCB#TRMPBF

$8.80

Description：IC REG BUCK ADJ 1.2A 6DFN
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:2473d892a85a 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 1.2A 6DFN
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)：3.6V
Voltage - Input (Max)：36V
Voltage - Output (Min/Fixed)：0.78V
Voltage - Output (Max)：34.2V
Current - Output：1.2A
Frequency - Switching：750kHz
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：6-WFDFN Exposed Pad
Supplier Device Package：6-DFN (2x3)

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LT3493IDCB#TRMPBF

Overview

The LT3493IDCB#TRMPBF is a current mode PWM step-down DC/DC converter featuring an internal 1.75A power switch. It operates with a wide input voltage range of 3.6V to 36V, with a maximum rating of 40V. The device supports fixed frequency operation at 750kHz and provides an adjustable output voltage down to 780mV. Packaged in a thermally enhanced 2mm x 3mm DFN-6 housing, it includes cycle-by-cycle current limit protection and soft-start functionality.

Feature Summary

Integrates a 1.75A power switch for high-current step-down conversion
Supports wide input voltage ranges suitable for automotive and industrial sources
Utilizes high-frequency operation to minimize external component size
Includes cycle-by-cycle current limiting and internal soft-start

Applications

Regulating power from unregulated wall transformers
Power management for 24V industrial supplies
Battery-powered systems requiring low shutdown current
Automotive battery regulation applications

Procurement Notes

Verify the specific suffix TRMPBF indicates tape and reel packaging when sourcing. Confirm the IDCB designation corresponds to the industrial temperature grade and DFN-6 package variant. Ensure compatibility with existing footprints by checking the 2mm x 3mm dimensions against board layout constraints before finalizing procurement orders.

Selection Notes

Select this component for designs requiring a compact solution with high input voltage tolerance. The 750kHz switching frequency allows for smaller inductors compared to lower-frequency alternatives. Consider the <2μA shutdown current for battery-operated applications where power conservation is critical during standby modes.

Part Context

This part belongs to the LT3493 family of synchronous buck regulators manufactured by Analog Devices. It is designed to replace older discrete solutions or lower-performance controllers in space-constrained environments. The DFN-6 package offers thermal performance advantages over traditional SOIC packages for similar power levels.