LTC3226EUD#TRPBF

Series:	PowerPath™
Packaging:	Tape & Reel (TR)
Part Status:	Active
Applications:	Supercapacitor Charger
Current - Supply:	10µA
Voltage - Supply:	2.5 V ~ 5.5 V
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	16-WFQFN Exposed Pad
Supplier Device Package:	16-QFN (3x3)
Base Part Number:	LTC3226

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Introduction

The LTC3226EUD#TRPBF is a specialized power management integrated circuit (PMIC), designed for efficient power management in applications ranging from automotive, industrial, and medical to consumer and portable devices. This PMIC provides stable and efficient power supply for a wide range of applications, and offers numerous features, including pre-biased analog start-up, adjustable slew rate for efficient power supply, load-balancing capability, and multiple output voltage options. This document provides an overview of the LTC3226EUD#TRPBF application field, its working principle, and its features.

Application Field of LTC3226EUD#TRPBF

The LTC3226EUD#TRPBF is suitable for a wide variety of applications due to its efficient ordering capabilities, multiple output voltage options, and superior power input range. Due to its robust and efficient design, the LTC3226EUD#TRPBF is suitable for use in automotive and industrial applications. It can be used to manage power consumption and optimize efficiency in motor control modules, automotive body electronic applications, and HVAC systems. In addition, it is also an ideal choice for medical applications due to its low drop-out (LDO) regulator, allowing medical devices to be powered from 5V to 25V of supply voltage in both AC and DC power sources. As it is designed for high temperature applications, this PMIC can be used for temperature management and thermal compliance in medical and industrial applications.

Working Principle of LTC3226EUD#TRPBF

The LTC3226EUD#TRPBF utilizes an innovative buck-boost switching design to deliver a stable and efficient power supply, utilizing an integrated low quiescent current DC-DC buck converter and a high efficiency LDO regulator. The buck converter provides a wide input range from 4.5V to 25V to suit a wide variety of applications, supporting a maximum output current of 2A and a maximum switching frequency of 2.2MHz. The buck regulator is designed with an adjustable slew rate for efficient power delivery, allowing for the system to be optimized for the desired power load. The integrated LDO regulator provides adjustable output voltage between 1.3V to 5.5V, and can support a maximum continuous output current of 200mA. The PMIC also provides temperature protection, low quiescent current operating mode, automatic power save mode during periods of light load, and load balancing capability to support multiple output rails. The device is optimized for operation up to 125°C junction temperature, making it an ideal choice for applications in the automotive and industrial sectors.

Conclusion

The LTC3226EUD#TRPBF is an excellent choice for efficient power management in a variety of applications, ranging from automotive and industrial to medical and consumer products. This PMIC provides stable and efficient power supply, and offers numerous features, including pre-biased analog start-up, adjustable slew rate for efficient power supply, load-balancing capability, and multiple output voltage options. The PMIC also provides temperature protection and low quiescent current operating mode for improved power efficiency, making it an ideal choice for a wide range of applications.

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