LX8213-00ISE-TR

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The LX8213-00ISE-TR is an adjustable linear voltage regulator from Linear Technology Corporation. It is an integrated step-down switching regulator with a wide input voltage range. This device is primarily used for providing regulated power to different electronic devices, such as computers, routers, and peripherals.

Introduction to the Device

The LX8213-00ISE-TR is a versatile, low-noise, adjustable step-down switching voltage regulator. It is designed with a wide input voltage range of up to 48 V and a maximum output current of up to 3 A. It also features a low quiescent current of 16 mA, as well as an adjustable output voltage range of 0.8 V to 5 V. This makes the device an excellent solution for applications such as computers, peripherals, and routers, where fast transient performance and low noise are required.

Features and Benefits

The device offers several features and benefits, including adjustable current limits, adjustable output voltage, and programmable start-up delay. It also features high efficiency of over 80%, low-noise operation, current sharing, and fast transient response. This device utilizes a low quiescent current of only 16 mA, making it ideal for applications where power conservation is important. Additionally, its unique “Soft-Start” feature helps minimize inrush current when turning power on and off.

Application Fields and Working Principle

The LX8213-00ISE-TR is designed to be used in a variety of applications, such as computers, peripherals, and routers where fast transient performance and low-noise operation are required. The adjustable output voltage of up to 5 V makes this device well suited for powering logic gates and other analog circuit components.

The working principle of the LX8213-00ISE-TR is based on a synchronous step-down power conversion topology. This topology uses two integrated switches, one switch acts as the main converter and the other switch acts as the synchronous rectifier. The first switch will select the most optimal operating frequency and ensure that the output voltage is properly regulated. The second switch is used to improve efficiency, reduce power dissipation, and reduce input voltage ripple.

The LX8213-00ISE-TR is a very versatile device and can be used in many different applications. It is an ideal choice for applications that need to provide regulated power with low noise, fast transient response, and high efficiency.

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