LT3493EDCB-3#TRMPBF

$7.70

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

SKU:79bb19a9d09a 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)：6.8V
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 ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：6-WFDFN Exposed Pad
Supplier Device Package：6-DFN (2x3)

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LT3493EDCB-3#TRMPBF

Overview

The LT3493EDCB-3#TRMPBF is a monolithic step-down DC/DC converter manufactured by Analog Devices Inc. It features an internal 1.75A power switch and operates with a fixed switching frequency of 750kHz. The device accepts input voltages ranging from 3.6V to 36V, with a maximum rating of 40V. It provides a fixed output voltage of 3.3V and delivers up to 1.2A of output current. Packaged in a thermally enhanced 2mm x 3mm DFN-6 housing, it supports operation temperatures from -40°C to +85°C.

Feature Summary

Current mode PWM control architecture for stable regulation
Integrated low VCE(sat) power switch for high efficiency
Burst Mode operation capability for reduced quiescent current
Internal soft-start limits inrush current during startup

Applications

Regulating power from unregulated wall transformers
Powering circuits from 24V industrial supplies
Battery-powered systems requiring efficient step-down conversion
Automotive battery voltage regulation applications

Procurement Notes

Verify the specific suffix '-3' confirms the fixed 3.3V output variant when sourcing. Confirm the '#TRMPBF' designation indicates tape-and-reel packaging with lead-free RoHS compliance. Ensure the DFN-6 package dimensions match the target PCB footprint requirements before finalizing procurement orders.

Selection Notes

Select this component for designs requiring a compact solution with wide input voltage tolerance. The fixed 3.3V output eliminates external resistor networks. Consider the 750kHz frequency for balancing component size against noise sensitivity. Verify thermal performance under maximum load conditions given the small package profile.

Part Context

This part belongs to the LT3493 family of high-efficiency step-down regulators. It shares the same core topology and pinout as other variants like the LT3493EDCB-PBF but differs in output configuration. The series is designed for space-constrained applications needing robust performance across varying input sources.