MP4021GS-LF

Product Overview

Category

MP4021GS-LF belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in electronic devices for power management and control.

Characteristics

• Package: MP4021GS-LF comes in a small outline package (SOP).
• Essence: It is a highly efficient voltage regulator.
• Packaging/Quantity: The IC is typically packaged in reels, with a quantity of 3000 units per reel.

Specifications

The specifications of MP4021GS-LF are as follows:

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.6V to VIN
• Maximum Output Current: 1.5A
• Efficiency: Up to 95%
• Switching Frequency: 1.2MHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The pin configuration of MP4021GS-LF is as follows:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. SW: Switching pin
6. VOUT: Output voltage pin

Functional Features

• High Efficiency: MP4021GS-LF offers high efficiency, ensuring minimal power loss during voltage regulation.
• Wide Input Voltage Range: It can accept input voltages ranging from 2.7V to 5.5V, making it suitable for various applications.
• Adjustable Output Voltage: The output voltage can be adjusted within the range of 0.6V to the input voltage (VIN).
• Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding the circuit from excessive current flow.

Advantages and Disadvantages

Advantages

• High efficiency results in reduced power consumption.
• Wide input voltage range allows for versatile applications.
• Adjustable output voltage provides flexibility.
• Overcurrent protection ensures circuit safety.

Disadvantages

• Limited maximum output current of 1.5A may not be suitable for high-power applications.
• Operating temperature range is limited to -40°C to +85°C, which may restrict usage in extreme environments.

Working Principles

MP4021GS-LF operates as a step-down (buck) voltage regulator. It converts the higher input voltage to a lower, regulated output voltage using pulse-width modulation (PWM) techniques. The IC controls the switching of an internal MOSFET to regulate the output voltage based on the feedback received from the FB pin.

Detailed Application Field Plans

MP4021GS-LF finds applications in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable media players - Digital cameras - Wireless communication devices

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to MP4021GS-LF are: - MP4022GS-LF - MP4023GS-LF - MP4024GS-LF - MP4025GS-LF

These models offer similar functionality and characteristics, providing options for different design requirements.

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