LM25101BSD/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: SOP-8 (Small Outline Package)

Essence: The LM25101BSD/NOPB is a voltage regulator IC designed to provide a stable and regulated output voltage from a wide range of input voltages.

Packaging/Quantity: The LM25101BSD/NOPB is available in a SOP-8 package. It is typically sold in reels containing 2500 units.

Specifications

• Input Voltage Range: 4.5V to 42V
• Output Voltage Range: 1.23V to 37V
• Maximum Output Current: 1A
• Quiescent Current: 80µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LM25101BSD/NOPB has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin for setting the output voltage
4. EN: Enable pin for turning the regulator on/off
5. SS/TR: Soft-start/Tracking pin for controlling the startup behavior
6. COMP: Compensation pin for stability control
7. VOUT: Output voltage pin
8. SW: Switching node pin for connecting the external inductor

Functional Features

• Wide input voltage range allows for versatile applications
• Adjustable output voltage provides flexibility in various scenarios
• High efficiency minimizes power loss
• Overcurrent protection safeguards against excessive current flow
• Thermal shutdown protection prevents overheating

Advantages

• Compact SOP-8 package enables space-saving designs
• Wide input voltage range makes it suitable for a variety of applications
• Adjustable output voltage allows for customization based on specific requirements
• High efficiency reduces power consumption and heat generation
• Overcurrent and thermal shutdown protection enhance system reliability

Disadvantages

• Limited maximum output current of 1A may not be sufficient for high-power applications
• SOP-8 package may have limitations in terms of thermal dissipation

Working Principles

The LM25101BSD/NOPB operates as a buck converter, converting a higher input voltage to a lower output voltage. It utilizes pulse-width modulation (PWM) techniques to regulate the output voltage. The feedback pin (FB) is used to set the desired output voltage, while the compensation pin (COMP) ensures stability of the control loop.

Detailed Application Field Plans

The LM25101BSD/NOPB can be used in various applications, including but not limited to: - Automotive electronics - Industrial automation - Power supplies - Battery-powered systems - LED lighting

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LM25101BSD/NOPB include: - LM2576-ADJ - LM2596S-ADJ - LM317T - LM1117-ADJ - LT1084CP-ADJ

These alternatives provide different package options, output current capabilities, and additional features to suit specific application requirements.

In conclusion, the LM25101BSD/NOPB is a versatile voltage regulator IC with a wide input voltage range, adjustable output voltage, and various protection features. Its compact size and high efficiency make it suitable for a range of applications. However, its limited maximum output current and package limitations should be considered when selecting the appropriate voltage regulator for a specific application.