Monolithic Power Systems Inc.
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MP1720DH-9-LF
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MP1720DH-9-LF

Introduction

The MP1720DH-9-LF is a power management integrated circuit (PMIC) belonging to the category of voltage regulators. This device is commonly used in various electronic applications to regulate and control the voltage supplied to different components within a system.

Basic Information Overview

  • Category: Voltage Regulator
  • Use: Regulating and controlling voltage in electronic applications
  • Characteristics: High efficiency, compact size, low noise
  • Package: DFN-10 (3x3)
  • Essence: Efficient voltage regulation for electronic devices
  • Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Input Voltage Range: 4.5V to 18V
  • Output Voltage Range: 0.6V to 5.5V
  • Maximum Output Current: 2A
  • Quiescent Current: 40µA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. VIN (Pin 1): Input Voltage
  2. SW (Pin 2): Switch Node
  3. GND (Pin 3): Ground
  4. FB (Pin 4): Feedback
  5. EN (Pin 5): Enable
  6. PG (Pin 6): Power Good
  7. SS/TRK (Pin 7): Soft Start/Tracking
  8. COMP (Pin 8): Compensation
  9. VOUT (Pin 9): Output Voltage
  10. BST (Pin 10): Bootstrap

Functional Features

  • Integrated high-side and low-side power MOSFETs
  • Wide input voltage range
  • Adjustable output voltage
  • Overcurrent protection
  • Thermal shutdown protection
  • Power good indicator

Advantages and Disadvantages

Advantages

  • High efficiency
  • Compact size
  • Low noise operation
  • Wide input voltage range

Disadvantages

  • Limited maximum output current
  • Sensitive to external noise in some applications

Working Principles

The MP1720DH-9-LF operates by regulating the input voltage to provide a stable and controlled output voltage. It utilizes internal control circuitry and power MOSFETs to achieve efficient voltage regulation while offering protection features to ensure safe operation.

Detailed Application Field Plans

The MP1720DH-9-LF is widely used in: - Portable electronic devices - Battery-powered systems - Industrial automation - Automotive electronics - LED lighting applications

Detailed and Complete Alternative Models

  • MP1720DH-9-LF: 2A output current
  • MP1720DH-5-LF: 3A output current
  • MP1720DH-12-LF: 1.5A output current
  • MP1720DH-15-LF: 1A output current

In conclusion, the MP1720DH-9-LF is a versatile voltage regulator with a wide range of applications, offering high efficiency and compact design. While it has limitations in terms of maximum output current, its advantages make it a popular choice for various electronic systems.

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10个与MP1720DH-9-LF在技术解决方案中的应用相关的常见问题及解答

  1. What is the MP1720DH-9-LF?

    • The MP1720DH-9-LF is a high-performance synchronous rectified step-down switch mode converter with built-in internal power MOSFETs.

  2. What is the input voltage range of the MP1720DH-9-LF?

    • The input voltage range of the MP1720DH-9-LF is 4.5V to 18V.

  3. What is the output current capability of the MP1720DH-9-LF?

    • The MP1720DH-9-LF can deliver up to 3A of continuous output current.

  4. What are the typical applications of the MP1720DH-9-LF?

    • Typical applications include point-of-load regulation for distributed power systems, battery-powered devices, and various other industrial and consumer applications.

  5. What is the switching frequency of the MP1720DH-9-LF?

    • The MP1720DH-9-LF operates at a fixed frequency of 500kHz.

  6. Does the MP1720DH-9-LF have overcurrent protection?

    • Yes, the MP1720DH-9-LF features cycle-by-cycle current limit and hiccup mode short-circuit protection.

  7. What is the efficiency of the MP1720DH-9-LF?

    • The MP1720DH-9-LF offers high efficiency, typically up to 95%.

  8. Can the MP1720DH-9-LF operate in a wide temperature range?

    • Yes, the MP1720DH-9-LF is designed to operate over a wide temperature range, typically from -40°C to 125°C.

  9. Does the MP1720DH-9-LF require external compensation components?

    • No, the MP1720DH-9-LF features internal compensation, simplifying the design and reducing external component count.

  10. Is the MP1720DH-9-LF available in a lead-free package?

    • Yes, the MP1720DH-9-LF is available in a lead-free (LF) package, making it compliant with environmental regulations.