Monolithic Power Systems Inc.
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MP2489DJ-LF-P
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MP2489DJ-LF-P

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High efficiency, compact size, voltage regulation
  • Package: SOP-8
  • Essence: Voltage Step-Down Converter
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 4.5V to 18V
  • Output Voltage Range: 0.8V to 12V
  • Maximum Output Current: 3A
  • Switching Frequency: 500kHz
  • Efficiency: Up to 95%
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

  1. VIN: Input Voltage
  2. GND: Ground
  3. EN: Enable Pin
  4. FB: Feedback Pin
  5. COMP: Compensation Pin
  6. SS/TR: Soft-Start/Tracking Pin
  7. PGND: Power Ground
  8. VOUT: Output Voltage

Functional Features

  • Wide input voltage range for versatile applications
  • High efficiency conversion for reduced power loss
  • Adjustable output voltage for flexibility
  • Overcurrent protection for safe operation
  • Soft-start function for controlled startup
  • Thermal shutdown for temperature protection

Advantages and Disadvantages

Advantages

  • High efficiency leads to energy savings
  • Compact size allows for space-constrained designs
  • Wide input voltage range accommodates various power sources
  • Adjustable output voltage suits different requirements
  • Overcurrent protection ensures system safety

Disadvantages

  • Limited maximum output current of 3A
  • Requires external components for proper operation

Working Principles

The MP2489DJ-LF-P is a voltage step-down converter that efficiently converts a higher input voltage to a lower output voltage. It utilizes a switching regulator topology to achieve high efficiency. The input voltage is first regulated and then stepped down to the desired output voltage using an internal power MOSFET. The feedback mechanism ensures that the output voltage remains stable within the specified range.

Detailed Application Field Plans

The MP2489DJ-LF-P is commonly used in various applications, including:

  1. Portable electronic devices: Provides efficient power management for smartphones, tablets, and portable gaming consoles.
  2. Industrial equipment: Enables voltage regulation in industrial control systems, motor drives, and LED lighting.
  3. Automotive electronics: Used in automotive infotainment systems, navigation devices, and advanced driver assistance systems (ADAS).
  4. Communication systems: Supports power management in routers, switches, and network equipment.
  5. Renewable energy systems: Facilitates voltage conversion in solar power systems and wind turbines.

Detailed and Complete Alternative Models

  • MP2489DJ-LF-Z: Similar specifications but with a different package (DFN-8)
  • MP2490DJ-LF-P: Higher maximum output current of 5A
  • MP2459DJ-LF-P: Lower maximum output current of 2A, lower cost option

(Note: These alternative models are provided as examples and may not cover all available options.)

This entry provides comprehensive information about the MP2489DJ-LF-P voltage step-down converter. Its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models are covered.

Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням MP2489DJ-LF-P у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of MP2489DJ-LF-P in technical solutions:

  1. Q: What is the MP2489DJ-LF-P? A: The MP2489DJ-LF-P is a step-down switching regulator IC (integrated circuit) that provides efficient power conversion for various applications.

  2. Q: What is the input voltage range of the MP2489DJ-LF-P? A: The MP2489DJ-LF-P has an input voltage range of 4.5V to 18V.

  3. Q: What is the output voltage range of the MP2489DJ-LF-P? A: The MP2489DJ-LF-P can provide an adjustable output voltage range from 0.6V to 5.5V.

  4. Q: What is the maximum output current of the MP2489DJ-LF-P? A: The MP2489DJ-LF-P can deliver a maximum output current of 3A.

  5. Q: What is the efficiency of the MP2489DJ-LF-P? A: The MP2489DJ-LF-P offers high efficiency, typically up to 95%.

  6. Q: Does the MP2489DJ-LF-P have built-in protection features? A: Yes, the MP2489DJ-LF-P includes protection features such as over-current protection, thermal shutdown, and under-voltage lockout.

  7. Q: Can the MP2489DJ-LF-P be used in automotive applications? A: Yes, the MP2489DJ-LF-P is suitable for automotive applications as it meets the AEC-Q100 standard.

  8. Q: What type of package does the MP2489DJ-LF-P come in? A: The MP2489DJ-LF-P is available in a compact 8-pin SOIC (Small Outline Integrated Circuit) package.

  9. Q: Is the MP2489DJ-LF-P easy to use in a design? A: Yes, the MP2489DJ-LF-P is designed for ease of use with minimal external components required for operation.

  10. Q: Where can I find more information about the MP2489DJ-LF-P? A: You can refer to the datasheet and application notes provided by the manufacturer or visit their website for detailed information on the MP2489DJ-LF-P.