MP4559DN-LF-Z
Superior Light-Load Efficiency
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製造商零件號 # : MP4559DN-LF-Z
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包裝/封裝: SOICEP-8
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產品分類 : Voltage Regulators - DC DC Switching Regulators
品質保證
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服務與包裝
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About After Sales Service
All Parts Extended Quality Guarantee
自發貨之日起 90 天內發起申請。
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MP4559DN-LF-Z 數據表
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目前的價格方案正在編制中。請聯絡我們的客戶服務團隊獲取最新的價格資訊。感謝您的理解和支援!
詳細說明
Safety is a top priority with the MP4559DN-LF-Z, as it comes equipped with thermal shutdown and overcurrent protection features. These ensure that the IC operates safely and reliably even in challenging conditions. Additionally, its wide operating temperature range of -40°C to 125°C makes it suitable for use in harsh environments where temperature fluctuations are common
主要特徵
- Wide 3.8V to 55V Operating Input Range250mΩ Internal Power MOSFETUp to 2MHz Programmable Switching Frequency140μA Quiescent CurrentCeramic Capacitor StableInternal Soft-StartUp to 95% EfficiencyOutput Adjustable from 0.8V to 52VAvailable in QFN (3mm x 3mm) and SOIC8E with Exposed Pad Packages
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規格
以下是所選零件的基本參數,涉及零件的特性及其所屬類別。
Product Category ! | Switching Voltage Regulators | RoHS | Details |
Output Voltage | 800 mV to 52 V | Output Current ! | 1.5 A |
Input Voltage, Max | 55 V | Number of Outputs | 1 Output |
Topology | Buck | Package / Case | SOIC-EP-8 |
Mounting Style | SMD/SMT | Switching Frequency ! | 1 MHz |
Quiescent Current ! | 140 uA | Minimum Operating Temperature | - 40 C |
Maximum Operating Temperature ! | + 125 C | Series | MP4559 |
Input Voltage, Min | 3.8 V | Brand | Monolithic Power Systems (MPS) |
Input Voltage | 3.8 V to 55 V | Moisture Sensitive | Yes |
Product | Voltage Regulators | Product Type ! | Switching Voltage Regulators |
Shutdown | Shutdown | Factory Pack Quantity | 2500 |
Subcategory | PMIC - Power Management ICs | Supply Voltage - Min | 3.8 V |
Type | Step-Down Converter | Unit Weight | 0.011715 oz |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等,這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is MP4559DN-LF-Z?
The MP4559DN-LF-Z is a high-efficiency, synchronous, rectified, step-down converter module designed by Monolithic Power Systems. It is suitable for powering a wide range of devices, including industrial applications, consumer electronics, and communication equipment.
How Does MP4559DN-LF-Z Work?
The MP4559DN-LF-Z works by efficiently converting high-voltage input power to a lower regulated output voltage. It utilizes a synchronous rectification topology to minimize power loss and improve overall efficiency. The module features integrated power switches, inductor, and control circuitry, making it a compact and easy-to-use power solution.
How Many Pins does MP4559DN-LF-Z have and What are the Functions of the Pinout Configuration?
The MP4559DN-LF-Z is housed in a compact QFN (Quad Flat No-Lead) package. The pinout configuration includes:
- VIN: Input voltage pin.
- SW: Switching node for the internal power switches.
- PGND: Power ground pin.
- FB: Feedback voltage pin.
- AGND: Analog ground pin.
- EN: Enable pin for controlling the module's operation.
- SSID/SS: Soft start and adjustable switching frequency pin.
- VOUT: Regulated output voltage pin.
What are the Pros and Cons of MP4559DN-LF-Z?
Pros:
- High Efficiency: Utilizes synchronous rectification for minimal power loss and improved efficiency.
- Compact and Integrated: Combines power switches, inductor, and control circuitry in a single module, saving space and simplifying design.
- Wide Input Voltage Range: Suitable for a variety of power supply applications.
- Integrated Protection Features: Includes overcurrent protection and thermal shutdown for reliability.
- Easy to Use: Provides a straightforward solution for power conversion with minimal external components.
Cons:
- Complex Layout Considerations: Synchronous rectification requires careful consideration of layout and component placement for optimal performance.
- Fixed Output Voltage: The regulated output voltage is fixed and may not suit all applications without additional external components.
Are There Any Equivalents/Alternatives to MP4559DN-LF-Z for Recommendation?
- The MP4462 from Monolithic Power Systems offers similar high-efficiency features in a different package and pinout.
- Alternatives to the MP4559DN-LF-Z include the LTC3630 from Analog Devices and the TPS54332 from Texas Instruments.
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