SCE048LA3SR3B Product Overview

Introduction

The SCE048LA3SR3B is a versatile electronic component designed for use in various applications. This entry provides an in-depth overview of the product, including its category, basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Category

The SCE048LA3SR3B belongs to the category of integrated circuits (ICs) and is specifically classified as a voltage regulator IC.

Basic Information Overview

• Use: The SCE048LA3SR3B is used to regulate voltage in electronic circuits, ensuring a stable output voltage regardless of input fluctuations.
• Characteristics: It is characterized by high precision, low dropout voltage, and thermal shutdown protection.
• Package: The product is available in a small outline package (SOP) for surface mount applications.
• Essence: Its essence lies in providing reliable voltage regulation for a wide range of electronic devices.
• Packaging/Quantity: The SCE048LA3SR3B is typically packaged in reels containing a specific quantity based on customer requirements.

Specifications

• Input Voltage Range: 4.5V to 18V
• Output Voltage Range: 1.2V to 15V
• Output Current: 500mA
• Dropout Voltage: 300mV at 500mA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The SCE048LA3SR3B features a standard 5-pin configuration: 1. VIN (Input Voltage) 2. GND (Ground) 3. VOUT (Output Voltage) 4. NC (No Connection) 5. EN (Enable)

Functional Features

• Voltage Regulation: Provides a stable output voltage despite variations in the input voltage.
• Thermal Shutdown Protection: Safeguards the IC from overheating, enhancing its reliability.
• Low Dropout Voltage: Ensures efficient operation even when the input voltage is close to the output voltage.

Advantages and Disadvantages

Advantages

• High precision voltage regulation
• Compact SOP package for space-constrained designs
• Wide input voltage range for versatility

Disadvantages

• Limited output current compared to some competing models
• Higher dropout voltage under heavy load conditions

Working Principles

The SCE048LA3SR3B operates by comparing the output voltage to a reference voltage and adjusting the internal circuitry to maintain a constant output voltage. When the temperature exceeds the specified threshold, the thermal shutdown feature activates, protecting the IC from damage.

Detailed Application Field Plans

The SCE048LA3SR3B finds extensive application in various electronic devices, including: - Battery-powered devices - Portable consumer electronics - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

For customers seeking alternative options, the following models can be considered: - LM317: A popular adjustable voltage regulator with higher output current capability - LT1763: Known for its low dropout voltage and high accuracy - LM7805: A classic linear voltage regulator suitable for many applications

In conclusion, the SCE048LA3SR3B offers precise voltage regulation in a compact package, making it suitable for diverse electronic applications. While it has certain limitations, its functional features and wide application field make it a valuable component in the realm of voltage regulation.

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