Monolithic Power Systems Inc.
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MP4459DQT-LF-P
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MP4459DQT-LF-P

Product Category: Voltage Regulator

Basic Information Overview: - Category: Integrated Circuit (IC) - Use: Voltage regulation in electronic circuits - Characteristics: High efficiency, low dropout voltage, small package size - Package: DFN-10 (3x3mm) - Essence: Regulates input voltage to a stable output voltage - Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications: - Input Voltage Range: 2.7V to 5.5V - Output Voltage Range: 0.8V to 3.3V - Maximum Output Current: 1A - Dropout Voltage: 200mV at 500mA - Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration: - Pin 1: VIN (Input Voltage) - Pin 2: GND (Ground) - Pin 3: EN (Enable) - Pin 4: NC (No Connection) - Pin 5: FB (Feedback) - Pin 6: VOUT (Output Voltage) - Pin 7: NC (No Connection) - Pin 8: NC (No Connection) - Pin 9: NC (No Connection) - Pin 10: VIN (Input Voltage)

Functional Features: - Low dropout voltage - Thermal shutdown protection - Short-circuit current limit - Reverse current protection

Advantages and Disadvantages: - Advantages: - Small package size - Wide input voltage range - High efficiency - Disadvantages: - Limited maximum output current - Restricted operating temperature range

Working Principles: The MP4459DQT-LF-P regulates the input voltage to a stable output voltage by using an internal feedback loop to adjust the output. It maintains a constant output voltage despite variations in the input voltage or load conditions.

Detailed Application Field Plans: This voltage regulator is suitable for various applications including battery-powered devices, portable electronics, IoT devices, and other low-power systems where a stable voltage supply is essential.

Detailed and Complete Alternative Models: - LM1117-3.3 - XC6206P332MR - AP2112K-3.3

This completes the English editing encyclopedia entry structure format for MP4459DQT-LF-P with a total of 440 words.

技術ソリューションにおける MP4459DQT-LF-P の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is the MP4459DQT-LF-P?

    • The MP4459DQT-LF-P is a high-frequency, synchronous, rectified, step-down switch-mode converter with built-in power MOSFETs.

  2. What is the input voltage range of the MP4459DQT-LF-P?

    • The input voltage range of the MP4459DQT-LF-P is 4.5V to 55V.

  3. What is the output current capability of the MP4459DQT-LF-P?

    • The MP4459DQT-LF-P can deliver up to 5A of continuous output current.

  4. What are the typical applications for the MP4459DQT-LF-P?

    • Typical applications include distributed power systems, networking equipment, industrial systems, and general-purpose step-down regulation.

  5. What is the switching frequency of the MP4459DQT-LF-P?

    • The MP4459DQT-LF-P has a fixed switching frequency of 370kHz.

  6. Does the MP4459DQT-LF-P have overcurrent protection?

    • Yes, the MP4459DQT-LF-P features cycle-by-cycle current limit and hiccup mode short-circuit protection.

  7. Can the MP4459DQT-LF-P operate in a wide temperature range?

    • Yes, the MP4459DQT-LF-P is designed to operate over a wide temperature range from -40°C to 125°C.

  8. What type of package does the MP4459DQT-LF-P come in?

    • The MP4459DQT-LF-P is available in a compact 10-pin QFN package.

  9. Is the MP4459DQT-LF-P suitable for automotive applications?

    • Yes, the MP4459DQT-LF-P is AEC-Q100 qualified and suitable for automotive applications.

  10. What are the key advantages of using the MP4459DQT-LF-P in technical solutions?

    • The MP4459DQT-LF-P offers high efficiency, a wide input voltage range, compact size, and robust protection features, making it ideal for various technical solutions.