MP28115DQ-LF-P

Product Overview

Category

MP28115DQ-LF-P belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a voltage regulator in various electronic devices.

Characteristics

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 0.8V to 24V
• Maximum Output Current: 1.5A
• Efficiency: Up to 95%
• Package Type: QFN (Quad Flat No-Lead)
• Package Dimensions: 3mm x 3mm
• Operating Temperature Range: -40°C to +85°C

Packaging/Quantity

The MP28115DQ-LF-P is typically packaged in reels and comes in quantities of 3000 units per reel.

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 0.8V to 24V
• Maximum Output Current: 1.5A
• Quiescent Current: 60µA
• Switching Frequency: 2MHz
• Ripple Rejection: 70dB
• Load Regulation: ±1%
• Line Regulation: ±0.5%
• Protection Features: Overcurrent, Overtemperature, Undervoltage Lockout

Detailed Pin Configuration

The MP28115DQ-LF-P has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. SW: Switch pin
6. PG: Power Good pin
7. VOUT: Output voltage pin

Functional Features

• Wide input voltage range allows for versatile applications.
• High efficiency ensures minimal power loss.
• Integrated protection features enhance reliability and safety.
• Compact package size enables space-saving designs.
• Power Good pin provides a signal indicating the output voltage is within the specified range.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for compatibility with various power sources.
• High efficiency reduces power consumption and heat generation.
• Integrated protection features enhance system reliability.
• Compact package size enables use in space-constrained applications.

Disadvantages

• Maximum output current of 1.5A may not be sufficient for high-power applications.
• Limited output voltage range may restrict certain voltage requirements.

Working Principles

The MP28115DQ-LF-P operates as a step-down (buck) voltage regulator. It takes an input voltage within the specified range and converts it to a lower, regulated output voltage. This is achieved through a combination of switching elements, control circuitry, and feedback mechanisms. The integrated protection features ensure safe operation by monitoring various parameters and responding accordingly.

Detailed Application Field Plans

The MP28115DQ-LF-P finds applications in various fields, including but not limited to: - Consumer electronics - Industrial automation - Automotive systems - Telecommunications - Power supplies

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the MP28115DQ-LF-P are: - LM2596: A popular buck converter IC with similar specifications. - TPS54331: Another efficient buck converter IC suitable for various applications. - LT1763: Low dropout linear regulator IC with adjustable output voltage.

These alternative models offer similar functionality and can be used as substitutes depending on specific requirements.

In conclusion, the MP28115DQ-LF-P is a versatile voltage regulator IC with a wide input voltage range, high efficiency, and integrated protection features. Its compact package size makes it suitable for space-constrained applications. However, its maximum output current and limited output voltage range should be considered for specific application needs. It finds applications in various fields and can be substituted with alternative models depending on the requirements.