MP28128DQ-LF-Z

Introduction

The MP28128DQ-LF-Z is a versatile integrated circuit that belongs to the category of voltage regulators. This device is commonly used in various electronic applications due to its unique characteristics and reliable performance. In this entry, we will provide an overview of the basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models of the MP28128DQ-LF-Z.

Basic Information Overview

• Category: Voltage Regulator
• Use: The MP28128DQ-LF-Z is utilized for regulating voltage levels in electronic circuits, ensuring stable and consistent power supply.
• Characteristics: This regulator exhibits high efficiency, low dropout voltage, and excellent line and load regulation, making it suitable for a wide range of applications.
• Package: The MP28128DQ-LF-Z is available in a compact and industry-standard package, ensuring ease of integration into various electronic designs.
• Essence: The essence of this product lies in its ability to provide precise voltage regulation, contributing to the overall reliability and performance of electronic systems.
• Packaging/Quantity: The MP28128DQ-LF-Z is typically packaged in tape and reel format, with varying quantities based on customer requirements.

Specifications

• Input Voltage Range: 2.5V to 6V
• Output Voltage Range: 0.8V to 5V
• Maximum Output Current: 3A
• Dropout Voltage: 300mV at 1A
• Operating Temperature Range: -40°C to 125°C
• Package Type: QFN-16 (3mmx3mm)

Detailed Pin Configuration

The MP28128DQ-LF-Z features a 16-pin QFN package with the following pin configuration: 1. VIN 2. EN 3. PGND 4. SW 5. SW 6. SW 7. SW 8. SW 9. FB 10. VOUT 11. VOUT 12. VOUT 13. VOUT 14. AGND 15. SS/TR 16. SS/TR

Functional Features

• High Efficiency: The MP28128DQ-LF-Z offers high efficiency, minimizing power loss and maximizing battery life in portable devices.
• Low Dropout Voltage: With a low dropout voltage, this regulator can maintain a stable output even when the input voltage approaches the output voltage.
• Excellent Line and Load Regulation: The device provides exceptional line and load regulation, ensuring consistent performance across varying operating conditions.

Advantages and Disadvantages

Advantages

• High efficiency
• Low dropout voltage
• Excellent line and load regulation
• Compact package size

Disadvantages

• Limited maximum output current compared to some alternative models
• Sensitive to improper layout and decoupling

Working Principles

The MP28128DQ-LF-Z operates by comparing the actual output voltage to a reference voltage and adjusting the internal feedback loop to maintain the desired output voltage. This process ensures that the connected load receives a stable and regulated voltage, regardless of variations in the input voltage or load conditions.

Detailed Application Field Plans

The MP28128DQ-LF-Z finds extensive use in various applications, including but not limited to: - Portable electronic devices - Battery-powered systems - Industrial automation - Consumer electronics - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the MP28128DQ-LF-Z include: - MP28200: A higher current version with similar features - MP1482: A lower current, cost-effective alternative - LM317: A widely used linear regulator with adjustable output

In conclusion, the MP28128DQ-LF-Z is a reliable voltage regulator with a wide range of applications and notable features. Its compact size, high efficiency, and precise voltage regulation make it a preferred choice for many electronic designs.

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