LTC3589IUJ#TRA1PBF

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Discontinued at Digi-Key
Applications:	Handheld/Mobile Devices, OMAP™
Current - Supply:	8µA
Voltage - Supply:	2.7 V ~ 5.5 V
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	40-WFQFN Exposed Pad
Supplier Device Package:	40-QFN (6x6)
Base Part Number:	LTC3589

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Introduction to LTC3589IUJ#TRA1PBFThe LTC3589IUJ#TRA1PBF is a low-dropout linear regulator with a built-in power-good output voltage monitor designed to provide high accuracy power supply regulation while saving board area and cost. The integrated power-good output provides an indication of the output voltage staying within range.The LT3589IUJ#TRA1PBF includes an integrated oscillator with programmable frequency and remote shutdown, a bypass input for low quiescent current performance, and an output undervoltage lockout circuit. Additionally, the LTC3589IUJ#TRA1PBF contains dynamic voltage scaling circuitry.Application Fields of LTC3589IUJ#TRA1PBFThe LTC3589IUJ#TRA1PBF regulator is ideal for a variety of portable and other applications:1. Wifi / Bluetooth Modules2. Industrial and Medical Equipment3. Mobile Devices and Accessories4. Automotive Applications5. Low-Power Highly-Accurate RegulationThe LTC3589IUJ#TRA1PBF can be used to provide the necessary output voltages for components such as LCD drivers, OLED drivers, ADC converters, DAC converters, microcontrollers, switches and other components.Power Management through LTC3589IUJ#TRA1PBFThe flexibility of the LTC3589IUJ#TRA1PBF enables efficient power management for a variety of applications. To conserve energy, the output voltage can be dynamically lowered if the load current requirements are greatly reduced. The low-dropout (LDO) linear regulator also reduces power consumption by preventing drops in the output voltage when the load current is lower than the expected range.The LTC3589IUJ#TRA1PBF is also equipped with several protection features such as output overvoltage and undervoltage protection, overcurrent protection, and thermal protection. This ensures the safe operation of the regulator in a variety of conditions.It also offers a high power-good accuracy of ±1.5% over the full temperature range which helps ensure the optimal operation of downstream components.Working Principle of LTC3589IUJ#TRA1PBFThe LTC3589IUJ#TRA1PBF incorporates an oscillator with remote shutdown capability to frequent the power conversion. A bypass input is connected to the VIN pin for low quiescent current performance. The LTC3589IUJ#TRA1PBF also includes an output undervoltage lockout circuit to maintain minimum output regulation.The LTC3589IUJ#TRA1PBF also contains dynamic voltage scaling circuitry in order to reduce power consumption when the load is reduced. It provides high-accuracy regulation while also saving board area and cost.The LTC3589IUJ#TRA1PBF utilizes a feedback loop that senses the output voltage and adjusts the switching frequency as needed to maintain the desired output voltage. The frequency is adjustable and can range from 7kHz to 150kHz depending on the specific application.ConclusionThe LTC3589IUJ#TRA1PBF is an ideal solution for providing highly-accurate voltages while saving board area and cost. It is also backed by a variety of protection features to ensure safe operation in a variety of conditions. Moreover, the dynamic voltage scaling circuitry eliminates excessive power consumption when the load is reduced.

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