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UCC3819D

产品分类: 其他驱动器
厂牌: TEXAS INSTRUMENTS
产品描述:
供应商型号: 25E-UCC3819D
供应商: 国内现货
标准整包数: 1
TEXAS INSTRUMENTS 其他驱动器 UCC3819D

UCC3819D概述

    UCC3819/UCC2819 Active Power Factor Correction (PFC) Controller
    Product Introduction
    The UCC3819/UCC2819 is a highly efficient power management solution designed to achieve near-unity power factor correction in power supplies. These controllers integrate advanced features such as average current mode control, over-voltage protection, programmable output voltage, and improved feed-forward line regulation, making them ideal for applications requiring energy-efficient and robust power conversion. The UCC3819 extends the capabilities of its predecessor, the UCC3818, by exposing the non-inverting input of the voltage error amplifier via an external pin, enabling dynamic adjustment of output voltage based on varying line voltage levels.
    This device is particularly well-suited for use in applications such as server power supplies, renewable energy inverters, and industrial equipment where high efficiency, stability, and reliability are paramount.
    Technical Parameters
    | Parameter | Value/Range | Units |
    |
    | Supply Voltage | 10.8–17 | V |
    | Oscillator Frequency Range | 85–120 | kHz |
    | Gate Drive Current (Continuous) | ≤0.2 | A |
    | Gate Drive Current (Pulsed) | ≤1.2 | A |
    | Operating Temperature Range | 0–70°C (UCC3819), −40–85°C (UCC2819) | °C |
    | Absolute Maximum Supply Voltage | 18 | V |
    Key Features:
    - Average current mode control for stable sinusoidal input currents.
    - Programmable output voltage with tracking boost topology.
    - Over-voltage protection with adjustable thresholds.
    - Low startup current (typically 150 µA).
    - Leading-edge modulation for ripple current reduction.
    Product Characteristics and Advantages
    The UCC3819/UCC2819 stands out due to several key advantages:
    1. Near Unity Power Factor: This minimizes harmonic distortion and ensures compliance with international power quality standards like EN61000-3-2.
    2. Advanced Control Mechanisms: Features such as leading-edge modulation and accurate power limiting improve overall system performance and reduce EMI issues.
    3. Wide Input Voltage Range: Supports worldwide line operation, making it suitable for diverse power grid conditions.
    4. Improved Reliability: Lower power dissipation, enhanced UVLO, and over-voltage protection mechanisms contribute to extended product lifespan.
    These advantages make the UCC3819/UCC2819 a market leader in active PFC solutions, particularly where high efficiency and reliability are critical.
    Application Cases and Recommendations
    The UCC3819/UCC2819 finds applications in a variety of power systems:
    1. Server Power Supplies: Used to maintain consistent output voltage across varying input conditions, improving system stability.
    2. Renewable Energy Systems: Enhances the efficiency of solar and wind energy inverters by ensuring smooth power flow.
    3. Industrial Equipment: Provides reliable power factor correction in harsh environments.
    Implementation Tips:
    - Use the VAI pin to adjust the output voltage dynamically, especially in applications with fluctuating input voltages.
    - Ensure proper layout of bypass capacitors and short, direct connections to minimize noise and improve stability.
    Compatibility and Support
    The UCC3819/UCC2819 is compatible with various complementary components, including MOSFETs, inductors, and capacitors commonly used in switching power supplies. Texas Instruments provides extensive support, including application notes, evaluation kits, and technical assistance.
    Ecosystem Benefits:
    - Compatible with standard PCB layouts.
    - Supported by TI's extensive documentation library, incl

UCC3819D参数

参数
驱动数量 -
拓扑 -
长*宽*高 9.9mm*3.91mm*1.58mm
通用封装 SOP-16
安装方式 贴片安装

UCC3819D厂商介绍

Texas Instruments(简称TI),是一家总部位于美国德克萨斯州达拉斯的全球性半导体设计与制造公司,成立于1930年。TI是全球领先的模拟技术、数字信号处理和微控制器(MCU)领域的供应商。

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1. 模拟产品:包括电源管理、信号链和接口产品,广泛应用于工业、汽车、医疗等领域。
2. 嵌入式处理:包括微控制器(MCU)、数字信号处理器(DSP)和处理器,广泛应用于消费电子、工业控制、汽车电子等领域。
3. 无线产品:包括无线通信模块和解决方案,应用于物联网、智能城市、智能家居等领域。
4. 计算器:TI也是知名的计算器制造商,拥有多款科学计算器和图形计算器产品。

应用领域:
TI的产品和技术广泛应用于通信、计算机、消费电子、汽车、工业、医疗等多个领域。

优势:
1. 技术创新:TI在模拟、嵌入式处理和无线通信领域拥有强大的研发实力和专利技术。
2. 产品多样性:TI提供广泛的产品线,满足不同客户的需求。
3. 客户支持:TI在全球设有技术支持中心,为客户提供专业的技术支持和解决方案。
4. 供应链管理:TI拥有强大的供应链管理能力,确保产品的稳定供应和交付。

UCC3819D数据手册

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TEXAS INSTRUMENTS 其他驱动器 TEXAS INSTRUMENTS UCC3819D UCC3819D数据手册

UCC3819D封装设计

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价格梯度 中国香港交货 内地交货(含增值税)
10+ ¥ 14.7739
5000+ ¥ 14.1126
10000+ ¥ 13.6014
库存: 1570
起订量: 677 增量: 0
交货地:
最小起订量为:10
合计: ¥ 147.73
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