2A1917-1 Product Overview

Introduction

The 2A1917-1 is a versatile electronic component that belongs to the category of voltage regulators. This entry provides an in-depth overview of the product, 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 2A1917-1 is used to regulate voltage in electronic circuits, ensuring a stable output voltage regardless of input fluctuations.
• Characteristics: It is known for its high efficiency, low dropout voltage, and excellent line and load regulation.
• Package: The 2A1917-1 is available in various package types, including TO-220, TO-263, and D2PAK.
• Essence: Its essence lies in providing reliable voltage regulation for a wide range of electronic applications.
• Packaging/Quantity: The product is typically packaged individually or in reels, with quantities varying based on manufacturer specifications.

Specifications

• Input Voltage Range: 4.5V to 26V
• Output Voltage Range: 1.25V to 20V
• Output Current: 2A
• Dropout Voltage: 0.3V at 2A
• Operating Temperature Range: -40°C to 125°C
• Line Regulation: 0.2% typical
• Load Regulation: 0.4% typical

Detailed Pin Configuration

The 2A1917-1 features a standard three-pin configuration: 1. Input (VIN): Connects to the input voltage source. 2. Ground (GND): Serves as the ground reference for the regulator. 3. Output (VOUT): Provides the regulated output voltage.

Functional Features

• High Efficiency: The 2A1917-1 offers high efficiency, minimizing power dissipation and heat generation.
• Low Dropout Voltage: Its low dropout voltage ensures efficient regulation even when the input voltage is close to the output voltage.
• Excellent Line and Load Regulation: The device maintains stable output voltage despite variations in input voltage and load current.

Advantages and Disadvantages

Advantages

• High efficiency
• Low dropout voltage
• Excellent line and load regulation
• Wide input voltage range

Disadvantages

• Heat dissipation may require additional thermal management in high-power applications.

Working Principles

The 2A1917-1 operates based on the principle of feedback control, where an internal error amplifier compares the actual output voltage to a reference voltage. Any deviation results in adjustments to the pass element, ensuring the output voltage remains within the specified range.

Detailed Application Field Plans

The 2A1917-1 finds extensive use in various electronic systems, including: - Battery-powered devices - Automotive electronics - Industrial control systems - Telecommunications equipment - Consumer electronics

Detailed and Complete Alternative Models

Several alternative models offer similar functionality to the 2A1917-1, including: - LM2940 - LM2937 - LT1086 - ADP3338

In conclusion, the 2A1917-1 stands as a reliable voltage regulator with a broad range of applications, offering high efficiency, precise regulation, and robust performance across diverse electronic systems.

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