LM2755TM/NOPB

Product Overview

Category

The LM2755TM/NOPB belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This product is primarily used for power management in various electronic devices, such as smartphones, tablets, and portable media players.

Characteristics

• High efficiency: The LM2755TM/NOPB offers high power conversion efficiency, ensuring optimal energy utilization.
• Compact size: This IC is designed to be compact, making it suitable for space-constrained applications.
• Wide input voltage range: It can handle a wide range of input voltages, allowing flexibility in different power supply scenarios.

Package

The LM2755TM/NOPB is available in a small outline package (SOT) with a thermal pad, ensuring efficient heat dissipation.

Essence

The essence of the LM2755TM/NOPB lies in its ability to efficiently manage power consumption in electronic devices, thereby extending battery life and improving overall performance.

Packaging/Quantity

This product is typically packaged in reels, containing a specific quantity of ICs per reel. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: Adjustable from 0.6V to VIN
• Maximum Output Current: 1.5A
• Switching Frequency: Up to 2MHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LM2755TM/NOPB has the following pin configuration:

1. VIN: Input voltage pin
2. EN: Enable pin
3. PGND: Power ground pin
4. SW: Switching node pin
5. FB: Feedback pin
6. VOUT: Output voltage pin

Functional Features

• Power Conversion: The LM2755TM/NOPB efficiently converts the input voltage to a regulated output voltage, ensuring stable power supply to the connected device.
• Overcurrent Protection: It incorporates overcurrent protection mechanisms to safeguard against excessive current flow, preventing damage to the IC and the connected components.
• Thermal Shutdown: In case of excessive heat generation, the IC activates thermal shutdown to prevent overheating and potential damage.

Advantages and Disadvantages

Advantages

• High efficiency power conversion
• Compact size for space-constrained applications
• Wide input voltage range for flexibility
• Overcurrent protection and thermal shutdown mechanisms ensure safety

Disadvantages

• Limited maximum output current (1.5A)
• Operating temperature range may restrict certain applications

Working Principles

The LM2755TM/NOPB operates based on a switching regulator topology. It utilizes high-frequency switching to convert the input voltage to a regulated output voltage. This switching process minimizes power loss and maximizes efficiency.

Detailed Application Field Plans

The LM2755TM/NOPB finds application in various electronic devices that require efficient power management. Some specific application fields include:

1. Smartphones: The IC can regulate power supply to different components within a smartphone, optimizing energy utilization and extending battery life.
2. Tablets: It enables efficient power management in tablets, contributing to longer usage time and improved performance.
3. Portable Media Players: The LM2755TM/NOPB ensures stable power supply to portable media players, enhancing audio/video playback and overall user experience.

Detailed and Complete Alternative Models

1. LM2754TM/NOPB: Similar to LM2755TM/NOPB, but with a higher maximum output current of 2A.
2. LM2756TM/NOPB: Offers additional features such as adjustable soft-start and programmable current limit.

These alternative models provide similar power management capabilities with slight variations in specifications and additional features.

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