LM3502SQ-25/NOPB

Introduction

The LM3502SQ-25/NOPB is a voltage regulator belonging to the LM3502 series of regulators. This entry provides an overview of the LM3502SQ-25/NOPB, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Voltage Regulator
• Use: The LM3502SQ-25/NOPB is used for regulating voltage in various electronic circuits and systems.
• Characteristics: It offers high precision and low dropout voltage, making it suitable for applications requiring stable voltage output.
• Package: The LM3502SQ-25/NOPB comes in a small outline package (SOP) for easy integration into circuit designs.
• Essence: The essence of the LM3502SQ-25/NOPB lies in its ability to provide reliable voltage regulation in a compact form factor.
• Packaging/Quantity: It is typically available in reels with a specific quantity per reel.

Specifications

The LM3502SQ-25/NOPB has the following key specifications: - Input Voltage Range: 2.5V to 16V - Output Voltage: 2.5V - Dropout Voltage: 300mV at 1A - Maximum Output Current: 1A - Line Regulation: 0.05% / V - Load Regulation: 0.1% / A - Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LM3502SQ-25/NOPB has the following pin configuration: 1. VIN (Input Voltage) 2. GND (Ground) 3. VOUT (Output Voltage)

Functional Features

The LM3502SQ-25/NOPB offers the following functional features: - High Precision Regulation: Provides a stable 2.5V output voltage even with varying input voltages. - Low Dropout Voltage: Ensures efficient operation with minimal voltage loss across the regulator. - Overcurrent Protection: Safeguards connected circuits from excessive current flow.

Advantages and Disadvantages

Advantages

• High precision voltage regulation
• Low dropout voltage
• Compact form factor
• Overcurrent protection

Disadvantages

• Limited maximum output current (1A)
• Restricted input voltage range (2.5V to 16V)

Working Principles

The LM3502SQ-25/NOPB operates by comparing the reference voltage to the feedback voltage and adjusting the pass element to maintain a constant output voltage. When the input voltage varies, the regulator modulates the pass element to ensure a steady output voltage.

Detailed Application Field Plans

The LM3502SQ-25/NOPB finds application in various fields, including: - Portable electronic devices - Battery-powered systems - Sensor modules - Embedded systems

Detailed and Complete Alternative Models

Some alternative models to the LM3502SQ-25/NOPB include: - LM317: A widely used adjustable voltage regulator with similar characteristics. - LM1117: Another fixed voltage regulator suitable for low power applications. - LT1086: Offers higher output current capability compared to the LM3502SQ-25/NOPB.

In conclusion, the LM3502SQ-25/NOPB is a reliable voltage regulator with precise regulation and low dropout voltage, making it suitable for a wide range of electronic applications.

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