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UCC381DPTR-ADJ

Updated: 2026-07-19

Overview

The UCC381DPTR-ADJ is a synchronous buck controller integrated circuit (IC) designed to manage high-efficiency DC-DC power conversion. It is widely used in industrial power supplies, telecommunications equipment, and computing systems due to its robust performance and adjustable output voltage. This IC operates at high switching frequencies, enabling compact and efficient power supply designs. It includes built-in protection features such as overcurrent protection and thermal shutdown, ensuring reliable operation in demanding environments.

Structure and Working Principle

UCC381DPTR-ADJ 电子元器件 TI德州仪器 封装SOP8 提供样品深圳市永芯易科技有限公司

The UCC381DPTR-ADJ integrates a pulse-width modulation (PWM) controller, gate drivers, and protection circuits into a single package. It operates by regulating the duty cycle of the PWM signal to control the output voltage of a synchronous buck converter. The IC adjusts the output voltage based on feedback from the load, ensuring stable performance under varying conditions. Its high switching frequency reduces the size of external components, making it suitable for space-constrained applications.

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Key Features

One of the standout features of the UCC381DPTR-ADJ is its adjustable output voltage, which allows for flexibility in design. It also supports high switching frequencies, typically up to 1 MHz, enabling efficient power conversion with minimal energy loss. Additional features include overcurrent protection, which safeguards the circuit from excessive current, and thermal shutdown, which prevents damage from overheating. These features make the IC highly reliable for industrial and commercial applications.

Application Areas

The UCC381DPTR-ADJ is commonly used in industrial power supplies, where efficient and reliable voltage regulation is critical. It is also found in telecommunications equipment, such as base stations and routers, where stable power delivery is essential. In computing systems, this IC is used in servers and data centers to manage power distribution efficiently. Its versatility and robustness make it a preferred choice for high-performance power management applications.

Maintenance and Precautions

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To ensure optimal performance, the UCC381DPTR-ADJ should be used within its specified voltage and current limits. Proper heat dissipation is crucial, as excessive heat can degrade performance and shorten the IC's lifespan. Avoid exposing the IC to electrostatic discharge (ESD), which can damage sensitive components. Always follow the manufacturer's guidelines for handling and installation to prevent operational issues.

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B2B Procurement Guide

When procuring the UCC381DPTR-ADJ, verify compatibility with your target application. Check the thermal performance and ensure the IC meets your power requirements. It is advisable to source from reputable suppliers to guarantee product authenticity and reliability. Consider purchasing in bulk to benefit from volume discounts, but ensure the supplier can meet your delivery timelines. Always request samples for testing before committing to large orders.

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