LM25118Q1MH/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

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

Package: QFN (Quad Flat No-Lead)

Essence: LM25118Q1MH/NOPB is a power management IC designed for efficient power conversion in various applications.

Packaging/Quantity: The LM25118Q1MH/NOPB is available in a QFN package and is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 4.5V to 42V
• Output Voltage Range: 0.8V to 37V
• Maximum Output Current: 3A
• Switching Frequency: Up to 2MHz
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LM25118Q1MH/NOPB has the following pin configuration:

1. VIN: Input voltage pin
2. PGND: Power ground pin
3. SW: Switching node pin
4. FB: Feedback pin
5. EN: Enable pin
6. SS/TR: Soft-start/Tracking pin
7. VCC: Supply voltage pin
8. PG: Power good pin
9. COMP: Compensation pin
10. BST: Bootstrap pin

Functional Features

• Wide input voltage range allows for versatile applications.
• High efficiency ensures minimal power loss during conversion.
• Adjustable output voltage provides flexibility for different requirements.
• Overcurrent protection safeguards against excessive current flow.
• Thermal shutdown protection prevents overheating.

Advantages and Disadvantages

Advantages: - High efficiency leads to energy savings. - Wide input voltage range enables compatibility with various power sources. - Adjustable output voltage allows for customization. - Overcurrent and thermal protection enhance reliability.

Disadvantages: - Limited maximum output current may restrict certain high-power applications. - QFN package may require specialized equipment for soldering.

Working Principles

The LM25118Q1MH/NOPB utilizes a switching regulator topology to efficiently convert input voltage to the desired output voltage. It employs pulse-width modulation (PWM) techniques to control the duty cycle of the switching transistor, regulating the output voltage. The feedback mechanism adjusts the duty cycle based on the difference between the actual and desired output voltage, ensuring stability and accuracy.

Detailed Application Field Plans

The LM25118Q1MH/NOPB is suitable for various applications, including but not limited to: - Automotive electronics - Industrial automation - Telecommunications - Power supplies - LED lighting

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the LM25118Q1MH/NOPB are: - LM25119Q1MH/NOPB - LM25117Q1MH/NOPB - LM25120Q1MH/NOPB - LM25116Q1MH/NOPB

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

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