Monolithic Power Systems Inc.
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MP1469GJ-Z
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MP1469GJ-Z

Introduction

MP1469GJ-Z is a power management integrated circuit (IC) belonging to the category of voltage regulators. This IC is commonly used in various electronic devices to regulate and control the voltage supplied to different components. It possesses specific characteristics, packaging, and quantity that make it suitable for a wide range of applications.

Basic Information Overview

  • Category: Voltage Regulator IC
  • Use: Regulating and controlling voltage in electronic devices
  • Characteristics: High efficiency, low dropout voltage, thermal shutdown protection
  • Package: TO-252-5L
  • Essence: Efficient voltage regulation
  • Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Input Voltage Range: 4.5V to 18V
  • Output Voltage Range: 0.8V to 16V
  • Output Current: Up to 3A
  • Quiescent Current: 75µA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. VIN (Input Voltage)
  2. GND (Ground)
  3. EN (Enable)
  4. FB (Feedback)
  5. VOUT (Output Voltage)

Functional Features

  • High Efficiency: Ensures minimal power loss during voltage regulation.
  • Low Dropout Voltage: Allows the IC to operate with small voltage differentials between input and output.
  • Thermal Shutdown Protection: Safeguards the IC from overheating, enhancing its reliability.

Advantages and Disadvantages

Advantages

  • High efficiency leads to energy savings
  • Low dropout voltage enables operation in low-power scenarios
  • Thermal shutdown protection ensures device safety

Disadvantages

  • May require additional heat dissipation in high-power applications

Working Principles

MP1469GJ-Z operates by comparing the actual output voltage with a reference voltage and adjusting the internal circuitry to maintain a stable output voltage. The enable pin allows for external control of the IC's operation, providing flexibility in power management.

Detailed Application Field Plans

This IC finds extensive use in various applications such as: - Battery-powered devices - Portable electronics - Automotive systems - Industrial equipment

Detailed and Complete Alternative Models

  • LM317: A widely used adjustable linear voltage regulator
  • LM7805: Fixed 5V voltage regulator commonly used in electronic circuits
  • LT1086: Adjustable positive voltage regulator with high current capability

In conclusion, MP1469GJ-Z is a versatile voltage regulator IC with high efficiency, low dropout voltage, and thermal shutdown protection, making it suitable for diverse electronic applications.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af MP1469GJ-Z i tekniske løsninger

  1. What is MP1469GJ-Z?

    • MP1469GJ-Z is a high-efficiency synchronous step-down converter that provides a highly integrated solution for applications requiring high efficiency and small form factor.

  2. What is the input voltage range of MP1469GJ-Z?

    • The input voltage range of MP1469GJ-Z is typically from 4.5V to 18V.

  3. What is the output current capability of MP1469GJ-Z?

    • MP1469GJ-Z can deliver up to 3A of continuous output current.

  4. What is the switching frequency of MP1469GJ-Z?

    • The switching frequency of MP1469GJ-Z is typically set at 1.5MHz, which helps to minimize the size of external components.

  5. Does MP1469GJ-Z have overcurrent protection?

    • Yes, MP1469GJ-Z features overcurrent protection to safeguard the circuit against excessive current.

  6. Can MP1469GJ-Z operate in a wide temperature range?

    • Yes, MP1469GJ-Z is designed to operate reliably across a wide temperature range, typically from -40°C to 85°C.

  7. What type of package does MP1469GJ-Z come in?

    • MP1469GJ-Z is available in a compact and thermally enhanced QFN package, which facilitates easy PCB layout and heat dissipation.

  8. Is MP1469GJ-Z suitable for battery-powered applications?

    • Yes, MP1469GJ-Z is well-suited for battery-powered applications due to its high efficiency and low quiescent current.

  9. Does MP1469GJ-Z support adjustable output voltage?

    • Yes, MP1469GJ-Z supports adjustable output voltage through external resistor dividers, offering flexibility in various applications.

  10. What are some typical applications of MP1469GJ-Z?

    • MP1469GJ-Z is commonly used in applications such as point-of-load regulation, distributed power systems, industrial equipment, and portable devices.