LM25115MT/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Wide input voltage range - Adjustable output voltage - Current limit protection - Thermal shutdown protection

Package: PowerPAD™ Thermally Enhanced Package

Essence: The LM25115MT/NOPB is a high-performance voltage regulator IC designed for various power supply applications.

Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 42V
• Output Voltage Range: 0.8V to 37V
• Maximum Output Current: 1.5A
• Switching Frequency: 100kHz to 2.2MHz
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LM25115MT/NOPB has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin for output voltage regulation
4. EN: Enable pin for turning the device on/off
5. SS/TR: Soft-start/Tracking pin for controlling the start-up behavior
6. PGND: Power ground pin
7. SW: Switch node pin for connecting the inductor and power switch
8. VOUT: Output voltage pin

Functional Features

• Wide input voltage range allows for versatile applications.
• Adjustable output voltage provides flexibility in different scenarios.
• High efficiency ensures minimal power loss.
• Current limit protection prevents damage due to excessive current.
• Thermal shutdown protection safeguards against overheating.

Advantages

• High efficiency results in reduced power consumption.
• Wide input voltage range allows for compatibility with various power sources.
• Adjustable output voltage provides customization options.
• Current limit protection ensures device and circuit safety.
• Thermal shutdown protection prevents damage from excessive heat.

Disadvantages

• Limited maximum output current of 1.5A may not be suitable for high-power applications.
• Switching frequency range may not cover all desired operating frequencies.

Working Principles

The LM25115MT/NOPB operates as a buck voltage regulator, converting a higher input voltage to a lower output voltage. It utilizes a power switch and an inductor to store and transfer energy efficiently. The feedback mechanism adjusts the duty cycle of the power switch to maintain the desired output voltage.

Detailed Application Field Plans

The LM25115MT/NOPB is commonly used in various applications, including but not limited to: - Industrial power supplies - Automotive electronics - Telecommunications equipment - Battery-powered systems - LED lighting

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the LM25115MT/NOPB are: - LM2596S-ADJ - LM317T - LT1083CP - TPS5430DDAR - ADP2302ARDZ

These models offer similar functionality and can be suitable replacements depending on specific requirements.

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