SCE120LA3QP1B Product Overview

Introduction

The SCE120LA3QP1B is a versatile electronic component that belongs to the category of voltage regulators. This device is commonly used to regulate and stabilize voltage levels in various electronic circuits and systems. The following entry provides a comprehensive overview of the SCE120LA3QP1B, 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: Stabilizing and regulating voltage levels in electronic circuits
• Characteristics: High precision, low dropout voltage, thermal shutdown protection
• Package: TO-220
• Essence: Regulating voltage to ensure stable operation of electronic devices
• Packaging/Quantity: Typically sold in reels or tubes containing multiple units

Specifications

• Input Voltage Range: 4.5V to 20V
• Output Voltage Range: 1.25V to 18V
• Output Current: Up to 1.5A
• Dropout Voltage: 0.5V at 1A
• Operating Temperature Range: -40°C to 125°C
• Quiescent Current: 75µA
• Line Regulation: 0.3%
• Load Regulation: 0.4%

Detailed Pin Configuration

The SCE120LA3QP1B typically features three pins: 1. Input (VIN): Connects to the input voltage source 2. Ground (GND): Connected to the ground reference 3. Output (VOUT): Provides the regulated output voltage

Functional Features

• High Precision: Ensures accurate and stable output voltage regulation
• Low Dropout Voltage: Allows the regulator to operate with minimal voltage difference between input and output
• Thermal Shutdown Protection: Safeguards the device from overheating by shutting down when the temperature exceeds safe limits

Advantages and Disadvantages

Advantages

• Reliable voltage regulation
• Compact package size
• Wide input voltage range

Disadvantages

• Limited maximum output current
• Sensitive to external noise and fluctuations

Working Principles

The SCE120LA3QP1B operates based on the principle of feedback control, where it compares the actual output voltage to a reference voltage and adjusts the output to maintain a stable voltage level. It utilizes internal circuitry to achieve precise regulation while minimizing power dissipation.

Detailed Application Field Plans

The SCE120LA3QP1B finds extensive applications in various electronic systems, including: - Battery-powered devices - Embedded systems - Consumer electronics - Industrial automation

Detailed and Complete Alternative Models

• SCE120LA3QP2B: Higher output current version of the same regulator
• SCE130LA3QP1B: Regulator with extended input voltage range
• SCE110LA3QP1B: Lower dropout voltage variant for more demanding applications

In conclusion, the SCE120LA3QP1B serves as a reliable voltage regulator with precise regulation capabilities, making it an essential component in numerous electronic applications.

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