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LT1580CT#06

产品分类: LDO稳压器
厂牌: ANALOG DEVICES
产品描述: 正极 Adjustable 1.25V 1.25V~4.65V 6V 220mV@ 1A,170mV@ 100mA,620mV@ 7A,380mV@ 2.75A,400mV@ 4A,800mV@ 6.5A 5mV 3mV 通孔安装
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标准整包数: 0
ANALOG DEVICES LDO稳压器 LT1580CT#06

LT1580CT#06概述

    Product Introduction: The LT1580/LT1580-2.5 Low Dropout Regulator
    The LT1580 and LT1580-2.5 are low dropout (LDO) regulators specifically designed for powering the next generation of microprocessors. These regulators cater to applications requiring precise voltage regulation, particularly within the critical low-voltage/high-current environment typical of microprocessors. Their primary function is to ensure stable and reliable power delivery, even when operating under stringent input-output differentials. They find application in microprocessor power supplies, post-regulators for switching supplies, high-current regulation setups, and processors such as those operating in Pentium® series or PowerPC™ families.
    Technical Parameters
    The following are key technical specifications of the LT1580/LT1580-2.5:
    | Parameter | Value |

    | Dropout Voltage @ 7A Output Current | 540mV |
    | Minimum Control Voltage (VCONTROL) | 1.0V > VOUT + 1V |
    | Maximum Control Voltage (VCONTROL) | 13V |
    | Maximum Power Voltage (VPOWER) | 6V |
    | Output Voltage | Fixed 2.5V / Adjustable Output |
    | Output Current | Up to 7A |
    | Line Regulation | 1-3 mV/V |
    | Load Regulation | <1mV across 100mA to 7A output current |
    | Ripple Rejection | 60-80 dB @ 4A, 1VP-P ripple |
    The devices operate efficiently across temperatures ranging from –40°C to 125°C and possess robust thermal protection mechanisms, including thermal shutdown. The thermal resistance is low, at 30°C/W (θJA), making them suitable for high-power applications without excessive heat dissipation.
    Product Features and Advantages
    Unique Features:
    1. Remote Sense Capability: The SENSE pin allows for accurate load regulation by Kelvin-sensing at the load instead of the regulator output.
    2. Fast Transient Response: Excellent performance under load steps, essential for microprocessor applications.
    3. Adjustable Output Voltage: For greater flexibility in diverse system configurations.
    4. Improved Reference Accuracy: Initial tolerance of ±0.6%, and tight temperature drift control ensure output stability.
    5. Elimination of Supply Sequencing Issues: Dual-supply operation ensures outputs do not turn on unregulated, even if one supply fails to reach its threshold.
    Market Advantage:
    The combination of low dropout, superior transient response, and accurate output voltage regulation gives the LT1580/LT1580-2.5 a competitive edge over conventional regulators. Its ability to maintain regulation under minimal input-output differentials (under 1V) is particularly valuable in low-voltage microprocessor applications.
    Application Case Studies and Usage Recommendations
    Example Applications:
    1. Microprocessor Supplies: Optimized for dual-supply environments, such as generating 2.5V supplies from a 5V and 3.3V bus.
    2. Post Regulators: Ideal for post-processing switching supply outputs for additional voltage conditioning.
    3. PowerPC Series: Suitable for supplying power to the PowerPC family processors, which often demand tight voltage tolerances.
    Use Cases:
    - In motherboard power designs where both 5V and 3.3V buses are available, the LT1580 can generate precise 2.5V microprocessor voltages.
    - For portable microprocessors, using the LT1580 to step down from 3.3V to 2.9V reduces battery consumption and prolongs runtime.
    Usage Suggestions:
    1. Always ensure proper thermal management, especially at higher currents.
    2. Utilize the remote SENSE pin to minimize voltage drops in long trace runs or connectors.
    3. Add a small bypass capacitor (0.1µF to 1µF) t

LT1580CT#06参数

参数
最小输出电压 1.25V
最大输入电压 6V
最大压差@电流 220mV@ 1A,170mV@ 100mA,620mV@ 7A,380mV@ 2.75A,400mV@ 4A,800mV@ 6.5A
最大输出电压 1.25V~4.65V
输出电流 -
线路调节 3mV
纹波抑制-PSRR -
稳压器数量 -
Iq-静态电流 -
负载调节 5mV
输出类型 Adjustable
极性 正极
最小输入电压 -
10.54mm(Max)
4.57mm(Max)
9.4mm(Max)
安装方式 通孔安装
应用等级 商用级

LT1580CT#06厂商介绍

Analog Devices(简称ADI)是一家全球领先的半导体公司,专注于模拟、混合信号和数字信号处理(DSP)集成电路(IC)的设计、制造和营销。公司成立于1965年,总部位于美国马萨诸塞州的诺伍德。

ADI的主营产品主要分为以下几类:
1. 数据转换器:包括模数转换器(ADC)和数模转换器(DAC),广泛应用于通信、工业、医疗等领域。
2. 放大器和比较器:提供各种高性能放大器和比较器产品,用于信号放大、滤波和比较等。
3. 射频(RF)和微波产品:包括射频收发器、混频器、放大器等,应用于无线通信、**等领域。
4. 电源管理:提供电源转换、电源管理等解决方案,满足各种电源需求。
5. 接口和通信:包括以太网、串行通信等接口产品,用于数据传输和通信。
6. 处理器和DSP:提供高性能处理器和数字信号处理器,用于复杂信号处理和控制。

ADI的优势在于其在模拟和混合信号领域的深厚技术积累,以及对客户需求的深刻理解。公司不断推出创新产品,满足客户在各种应用场景下的需求,如5G通信、自动驾驶、工业自动化等。此外,ADI还提供全面的技术支持和定制化服务,帮助客户实现产品快速上市。

LT1580CT#06数据手册

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