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RT9173DGSP

产品分类: 电源管理芯片(PMIC)
厂牌: RICHTEK TECHNOLOGY/台湾立锜科技
产品描述: 转换器,DDR 总线端接稳压器 SOP 贴片安装,黏合安装
供应商型号: 1028-1068-1-ND
供应商: Digi-Key
标准整包数: 1
RICHTEK TECHNOLOGY/台湾立锜科技 电源管理芯片(PMIC) RT9173DGSP

RT9173DGSP概述

    RT9173D 3A Sink/Source Bus Termination Regulator: A Comprehensive Analysis
    Product Introduction
    The RT9173D is a sophisticated, cost-effective, and high-speed linear regulator manufactured by Richtek Technology Corporation. Designed specifically to cater to the needs of double data rate (DDR) memory systems, it complies with standards like JEDEC SSTL2 and SSTL18, and supports other interfaces such as HSTL, SCSI-2, and SCSI-3. This regulator enables both sinking and sourcing of current, with a continuous current capacity of 2A and a peak transient current capability of 3A for DDR-I and DDR-II, and 2.5A for DDR-III. Its primary function is to generate precise termination voltages in memory systems.
    Technical Parameters
    The RT9173D comes equipped with several critical technical specifications:
    - Continuous Current: 2A (can reach up to 3A transiently).
    - Peak Current Capability:
    - DDR-I and DDR-II: 3A.
    - DDR-III: 2.5A.
    - Output Voltage Regulation: Within ±40mV deviation from setpoint.
    - Thermal Protection: Integrated thermal shutdown with hysteresis ranging from 35°C.
    - Shutdown Functionality: Supports suspend-to-RAM functionality with high-impedance outputs.
    - Package Type: SOP-8 (Exposed Pad).
    - Operating Temperature Range: -40°C to 85°C.
    Product Features and Advantages
    The RT9173D boasts numerous advantages that enhance its utility and market competitiveness:
    - Versatility: Ideal for applications across various platforms including desktop PCs, notebooks, workstations, graphics cards, set-top boxes, digital TVs, printers, and embedded systems.
    - Dual-Directional Current Handling: Enables both sourcing and sinking of current simultaneously, ensuring robust performance under varying loads.
    - High Precision: Maintains tight regulation of output voltages regardless of environmental fluctuations.
    - Integrated Protection Mechanisms: Includes current limiting and thermal shutdown protection, safeguarding against potential overloads.
    - Low Component Count: Requires minimal external components, simplifying integration into complex designs.
    - RoHS Compliance: Environmentally friendly and suitable for lead-free soldering processes.
    Application Scenarios and Usage Suggestions
    The RT9173D finds application in numerous scenarios:
    - Memory Systems: Optimized for DDR-I, DDR-II, and DDR-III memory systems.
    - Graphics Cards: Ensures stable termination voltages in high-performance graphics cards.
    - Consumer Electronics: Widely applicable in consumer electronics like TVs and printers.
    - Embedded Systems: Reliable in environments requiring precise voltage management.
    For optimal usage, designers should ensure proper placement of the input bypass capacitor (≥470uF low ESR), use short and wide traces to minimize parasitic resistance and inductance, and consider adding extra copper areas beneath the exposed pad to improve thermal dissipation.
    Compatibility and Support
    The RT9173D maintains compatibility with various DDR standards and interfaces, making it a versatile choice for multi-platform solutions. Richtek offers comprehensive support through detailed documentation and technical assistance to aid in the successful integration of this component.
    Common Issues and Solutions
    Some common issues users might encounter include overheating, excessive current draw, and improper voltage regulation. These can typically be resolved by ensuring correct thermal management, verifying power sequencing, and confirming proper resistor values for voltage adjustment.
    Conclusion and Recommendation
    Overall, the RT9173D represents a highly efficient and reliable solution for generating termination voltages in DDR memory systems. Its combination of advanced features, robust protection mechanisms, and ease of integration makes it an excellent choice for modern electronic designs. Therefore, it is strongly recommended for use i

RT9173DGSP参数

参数
最小工作供电电压 -
工作电源电流 -
最大输出电压 -
最小输出电压 -
应用场景 转换器,DDR 总线端接稳压器
最大工作供电电压 -
通用封装 SOP
安装方式 贴片安装,黏合安装
应用等级 工业级
零件状态 在售
包装方式 卷带包装

RT9173DGSP数据手册

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RICHTEK TECHNOLOGY/台湾立锜科技 电源管理芯片(PMIC) RICHTEK TECHNOLOGY/台湾立锜科技 RT9173DGSP RT9173DGSP数据手册

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价格梯度 中国香港交货 内地交货(含增值税)
1+ $ 1.863 ¥ 15.7424
10+ $ 1.1454 ¥ 9.0895
25+ $ 0.9003 ¥ 7.6074
100+ $ 0.6763 ¥ 5.6599
250+ $ 0.5825 ¥ 4.875
500+ $ 0.5249 ¥ 4.3925
1000+ $ 0.4766 ¥ 3.9882
库存: 2215
起订量: 1 增量: 1
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最小起订量为:1
合计: ¥ 15.74
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