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LTC1753CG

产品分类: 电源管理芯片(PMIC)
厂牌: ANALOG DEVICES
产品描述: 4.5 to 6 4.5 to 6 SOP 贴片安装 7.5mm(长度)
供应商型号:
供应商:
标准整包数: 0
ANALOG DEVICES 电源管理芯片(PMIC) LTC1753CG

LTC1753CG概述

    Product Overview: LTC1753 Switching Regulator Controller
    The LTC1753 is a high-performance switching regulator controller developed specifically for applications requiring precision voltage regulation. This device is optimized for converting a 5V input voltage into a digitally programmable output voltage ranging from 1.3V to 3.5V, making it ideal for powering advanced microprocessors such as the Pentium® III, AMD-K6®-2, SPARC, ALPHA, and PA-RISC processors. The LTC1753 stands out with its exceptional efficiency, robust features, and ease of integration into complex electronic systems.
    Technical Specifications
    | Parameter | Minimum | Typical | Maximum | Units |

    | Supply Voltage (VCC) | 4.5 | 5 | 6 | V |
    | Power Good Threshold | 3 | 6 | -3 | % |
    | Fault Threshold | 8 | 13 | 18 | % |
    | Oscillator Frequency | 250 | 300 | 350 | kHz |
    | Output Voltage Accuracy| ±1.5% | ±2% | - | Typ |
    Key Highlights:
    - Output Voltage Control: Utilizes a 5-bit digital-to-analog converter (DAC) for fine-grained control over the output voltage.
    - Current Limit: Automatically adjusts based on the resistance of the upper N-channel MOSFET.
    - Operating Efficiency: Supports efficiencies exceeding 95%, ideal for power-sensitive environments.
    - Environmental Conditions: Operates within a temperature range of -65°C to 150°C and supports up to 19A of output current.
    Key Features and Advantages
    1. Digitally Programmable Outputs: Offers precision control over the output voltage through a 5-bit DAC, supporting resolutions of 50mV and 100mV increments.
    2. High Efficiency Architecture: Uses a synchronous switching topology that eliminates the need for high-cost P-channel devices, reducing overall costs while maintaining high efficiency.
    3. Advanced Protection Mechanisms: Includes overtemperature protection, power good indication, and overvoltage fault detection, ensuring reliable operation.
    4. Fast Transient Response: Capable of transitioning between 0% and 100% duty cycles rapidly, suitable for demanding workloads.
    These features make the LTC1753 particularly advantageous for microprocessor-based applications that require highly stable and efficient power delivery.
    Application Scenarios and Usage Tips
    The LTC1753 is commonly deployed in the following scenarios:
    1. Microprocessor Power Supply: Powers advanced microprocessors like the Pentium III and AMD-K6-2, ensuring consistent voltage delivery under varying loads.
    2. Server and Networking Equipment: Used in server farms and networking gear where reliability and efficiency are paramount.
    3. Embedded Systems: Ideal for embedded applications requiring precise power management.
    Usage Tips:
    - Ensure proper thermal management when operating under heavy loads.
    - Use low ESR output capacitors for minimal ripple and improved stability.
    - Monitor and adjust the soft-start capacitor value to prevent excessive inrush currents.
    Compatibility and Support
    The LTC1753 is designed to work seamlessly with a wide array of complementary components, including external MOSFETs and various capacitors. Linear Technology Corporation (now part of Analog Devices) offers comprehensive technical support, including application notes, datasheets, and customer service.
    Common Issues and Solutions
    | Issue | Cause | Solution |
    |
    | Output Voltage Drift | Poor loop compensation | Adjust the RC compensation network at the COMP pin. |
    | Fault Detection Triggered | Overvoltage or overcurrent | Verify external component values and connections. |
    | Insu

LTC1753CG参数

参数
工作电源电流 -
最大输出电压 -
最小输出电压 -
应用场景 -
最大工作供电电压 4.5 to 6
最小工作供电电压 4.5 to 6
长*宽*高 7.5mm(长度)
通用封装 SOP
安装方式 贴片安装
应用等级 商用级

LTC1753CG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。

LTC1753CG数据手册

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ANALOG DEVICES 电源管理芯片(PMIC) ANALOG DEVICES LTC1753CG LTC1753CG数据手册

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