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LTC2935CDC-1#TRPBF

产品分类: 电源监控芯片
厂牌: ANALOG DEVICES
产品描述: 否 500nA 200ms 低有效 Open Drain 1 5.5V 是 否 DFN-8 贴片安装,黏合安装 2mm(长度)*2mm(宽度)
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ANALOG DEVICES 电源监控芯片 LTC2935CDC-1#TRPBF

LTC2935CDC-1#TRPBF概述

    LTC2935 Ultra-Low Power Voltage Supervisor Technical Overview
    Product Introduction
    The LTC2935 is an ultra-low power voltage supervisor designed to monitor system voltage and generate resets under specific conditions. It serves as a robust solution for monitoring critical power levels in battery-operated systems. Key features include adjustable reset and power-fail thresholds, early warning capabilities, and minimal power consumption. The LTC2935 finds applications in portable electronics, security systems, and battery-powered devices.
    This product is optimized for scenarios requiring precise voltage supervision, particularly where power conservation is crucial. Its functionality includes:
    - System initialization.
    - Monitoring VCC and triggering a reset when voltage drops below thresholds.
    - Providing a power-fail warning output before VCC reaches the critical level.
    Technical Parameters
    The LTC2935 offers precise control over its operation through adjustable threshold settings and multiple operating modes. Below are key technical specifications:
    | Parameter | Minimum | Typical | Maximum | Units |

    | VCC Input Voltage | 1.6 | 3.0 | 5.5 | V |
    | Quiescent Current (Typical) | 500 | 500 | 500 | nA |
    | Reset Threshold Range | 1.6 | 3.45 | 3.45 | V |
    | Power-Fail Threshold Hysteresis | 2 | 2.5 | 3.5 | % |
    | Reset Timeout | 140 | 200 | 260 | ms |
    Additionally, the LTC2935 supports both open-drain and active pull-up configurations for outputs, enabling compatibility with various system designs. Its compact size (2mm x 2mm DFN and TSOT-23 packages) makes it suitable for space-constrained environments.
    Product Features and Advantages
    The LTC2935 stands out with its following advantages:
    1. Low Quiescent Current: Consumes only 500nA in typical operation, making it ideal for battery-powered devices.
    2. Wide Threshold Range: Offers eight programmable reset thresholds, configurable via binary inputs.
    3. Early Warning Output: Provides a Power-Fail Output (PFO) to notify impending voltage drops.
    4. Compact Design: Available in space-saving DFN and TSOT-23 packages.
    5. High Reliability: Features ±1.5% accuracy across temperature ranges (-40°C to 85°C).
    Its versatility and efficiency make it a leading choice for industries such as portable electronics, security systems, and wireless devices.
    Application Case Studies and Usage Recommendations
    The LTC2935 is commonly deployed in scenarios where power stability is critical. Examples include:
    1. Battery-Powered Equipment: Ensures devices restart correctly upon voltage recovery after battery discharge.
    2. Security Systems: Monitors backup power sources and triggers alarms when voltage falls below operational thresholds.
    Usage Suggestions:
    - Use the open-drain version (LTC2935-1/LTC2935-3) when custom pull-up resistor values are needed.
    - Opt for active pull-up (LTC2935-2/LTC2935-4) to eliminate external resistors, reducing component count.
    When configuring the threshold settings, refer to the provided table to select the appropriate voltage levels based on system requirements.
    Compatibility and Support
    The LTC2935 interfaces seamlessly with various electronic systems due to its standard pin configuration. Linear Technology Corporation provides comprehensive support, including:
    - Detailed application notes and datasheets.
    - Access to expert technical assistance through their customer service team.
    The product’s reliability ensures longevity and compatibility across multiple generations of devices.
    Common Issues and Solutions
    Here are some common problems users might encounter, along with their solutions:
    1

LTC2935CDC-1#TRPBF参数

参数
监控数量 1
应用场景 -
复位 低有效
最大工作供电电压 5.5V
人工复位
看门狗计时器
电池备用开关
重置延迟时间 200ms
最小工作供电电压 -
输出类型 Open Drain
工作电源电流 500nA
长*宽*高 2mm(长度)*2mm(宽度)
通用封装 DFN-8
安装方式 贴片安装,黏合安装
应用等级 商用级
零件状态 在售
包装方式 卷带包装

LTC2935CDC-1#TRPBF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。

LTC2935CDC-1#TRPBF数据手册

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ANALOG DEVICES 电源监控芯片 ANALOG DEVICES LTC2935CDC-1#TRPBF LTC2935CDC-1#TRPBF数据手册

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