AP139-33WL-7 Product Overview

Introduction

AP139-33WL-7 is a versatile electronic component that belongs to the category of voltage regulators. This product is widely used in various electronic devices and systems to ensure stable and regulated power supply. In this entry, we will provide an overview of the basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of AP139-33WL-7.

Basic Information Overview

• Category: Voltage Regulator
• Use: Ensuring stable and regulated power supply in electronic devices and systems
• Characteristics: High precision, low dropout voltage, thermal shutdown protection
• Package: TO-220
• Essence: Regulating voltage to a specific level
• Packaging/Quantity: Typically sold individually or in small quantities

Specifications

• Input Voltage Range: 4.5V to 18V
• Output Voltage: 3.3V
• Output Current: Up to 1A
• Dropout Voltage: 0.5V at 1A
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The AP139-33WL-7 voltage regulator typically has 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: Provides accurate and stable output voltage regulation
• Low Dropout Voltage: Minimizes power loss and heat dissipation
• Thermal Shutdown Protection: Safeguards the regulator from overheating

Advantages and Disadvantages

Advantages

• Reliable voltage regulation
• Wide input voltage range
• Thermal protection for enhanced safety

Disadvantages

• Higher dropout voltage compared to some alternative models
• Limited output current capacity

Working Principles

The AP139-33WL-7 utilizes a feedback control mechanism to maintain the output voltage at a constant level, regardless of variations in the input voltage or load conditions. It employs internal circuitry to compare the actual output voltage with a reference voltage and adjusts the output accordingly.

Detailed Application Field Plans

The AP139-33WL-7 is commonly used in various applications such as: - Battery-powered devices - Embedded systems - Consumer electronics - Industrial automation

Detailed and Complete Alternative Models

Some alternative models to AP139-33WL-7 include: - LM317: A popular adjustable voltage regulator with similar characteristics - L78xx Series: Fixed output voltage regulators available in various voltage options - LT1086: Low dropout positive voltage regulator suitable for demanding applications

In conclusion, the AP139-33WL-7 voltage regulator offers reliable and precise voltage regulation for a wide range of electronic applications. Its high precision, thermal protection, and wide input voltage range make it a valuable component in various electronic designs.

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