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MP2493DN-LF-Z

产品分类: DC-DC稳压器
产品描述: Buck No 130KHz Adjustable 1 15V 800mV 36V 4.5V SOICE-8 贴片安装,黏合安装
供应商型号: MP2493DN-LF-Z-ND
供应商: Digi-Key
标准整包数: 2500
MONOLITHIC POWER SYSTEMS DC-DC稳压器 MP2493DN-LF-Z

MP2493DN-LF-Z概述

    MP2493 2A, 36V Low EMI Step-Down Converter Technical Overview
    1. Product Introduction
    The MP2493 is a highly efficient, monolithic step-down switch-mode converter designed for a broad range of applications requiring regulated outputs. This converter supports up to 2A of continuous output current within a wide input voltage range of 4.5V to 36V. Key features include programmable output current limits, excellent load and line regulation, low EMI, and thermal protection. The product is suitable for use in USB power supplies, automotive cigarette lighter adapters, and linear charger power supplies.
    The MP2493 offers flexibility in adjusting output voltages from 0.8V to 15V and provides programmable current limiting without additional power loss. Additionally, it incorporates internal MOSFET switches for seamless integration and stable performance with low ESR ceramic output capacitors.
    2. Technical Parameters
    Below are the key technical specifications extracted from the data sheet:
    | Parameter | Specification |

    | Input Voltage Range | 4.5V to 36V |
    | Output Voltage | Adjustable from 0.8V to 15V |
    | Output Current | Up to 2A (programmable) |
    | Fixed Switching Frequency | 130kHz |
    | Switching Efficiency | Up to 95% |
    | Thermal Shutdown Threshold | 150°C |
    | Cycle-by-Cycle Overcurrent Protection | Yes |
    | Operating Temperature Range | -40°C to +125°C |
    | Package Options | 8-pin SOIC, 8-pin SOIC8E |
    3. Product Features and Advantages
    The MP2493 stands out with its:
    - Wide Operating Voltage Range: Supports inputs from 4.5V to 36V, making it versatile for various power supply applications.
    - Programmable Output Current Limit: Allows customization of output current limits, reducing potential overheating risks and improving reliability.
    - Low EMI Design: Utilizes fixed-frequency switching with low EMI characteristics, essential for sensitive electronic systems.
    - Enhanced Efficiency: Achieves up to 95% efficiency, minimizing energy loss and optimizing system performance.
    - Advanced Protection Mechanisms: Includes thermal shutdown and cycle-by-cycle current limiting for enhanced device longevity and safety.
    - Minimal Component Count: Requires a limited number of external components, simplifying board design and reducing costs.
    These features make the MP2493 competitive in terms of efficiency, cost-effectiveness, and application flexibility.
    4. Application Case Studies and Usage Recommendations
    The MP2493 is ideal for the following applications:
    - USB Power Supplies: Its ability to regulate output voltage and current makes it perfect for powering devices like smartphones or tablets.
    - Automotive Applications: The wide operating voltage range (4.5V to 36V) allows it to work efficiently with automotive battery systems.
    - Linear Charger Power Supplies: With its programmable current-limit feature, it can be used to charge batteries effectively.
    Usage Recommendations:
    1. Component Selection: Ensure that the inductor value and capacitance are optimized based on the expected load conditions. Use a ceramic capacitor with X5R/X7R dielectric for best performance.
    2. Layout Optimization: Keep the high-current paths (GND, IN, SW) as short as possible to reduce EMI and improve thermal management.
    3. Soft Start Functionality: Utilize the SS pin to implement a gradual startup process, which prevents output voltage surges and minimizes stress on downstream components.
    5. Compatibility and Support
    The MP2493 is compatible with a variety of systems r

MP2493DN-LF-Z参数

参数
拓扑 Buck
最小输入电压 4.5V
最大输出电压 15V
功能 Step-Down
输出类型 Adjustable
输出数量 1
最小输出电压 800mV
同步整流器 No
最大输入电压 36V
开关频率 130KHz
通用封装 SOICE-8
安装方式 贴片安装,黏合安装
零件状态 在售
包装方式 卷带包装

MP2493DN-LF-Z厂商介绍

Monolithic Power Systems(MPS)是一家领先的高性能模拟半导体公司,专注于为广泛的电子系统提供电源管理解决方案。公司总部位于美国加利福尼亚州,成立于1997年,并于2004年在纳斯达克上市。

MPS的主要产品分为以下几类:
1. DC-DC转换器:用于将电池或其他电源的电压转换为所需的电压和电流。
2. AC-DC电源解决方案:将交流电转换为直流电,适用于各种电子设备。
3. 线性稳压器:提供稳定的电压输出,适用于需要精确电压的应用。
4. 电池管理IC:包括电池充电器和保护电路,确保电池安全和延长寿命。
5. LED驱动器:为LED照明提供精确的电流和电压控制。

MPS的产品广泛应用于以下领域:
- 移动设备和通信
- 计算机和服务器
- 工业和汽车
- 医疗设备
- 消费电子产品

Monolithic Power Systems的优势在于:
- 高性能:提供高效率和高精度的电源管理解决方案。
- 高可靠性:产品经过严格的测试,确保在各种环境下的稳定性。
- 创新技术:持续研发新技术,以满足市场对更高性能和更小尺寸的需求。
- 定制解决方案:能够根据客户的具体需求提供定制化的电源管理解决方案。

MP2493DN-LF-Z数据手册

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MONOLITHIC POWER SYSTEMS DC-DC稳压器 MONOLITHIC POWER SYSTEMS MP2493DN-LF-Z MP2493DN-LF-Z数据手册

MP2493DN-LF-Z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)
2500+ $ 1.469 ¥ 12.2937
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起订量: 2500 增量: 1
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