R21-1REF..00462691 Product Overview

Product Category

The R21-1REF..00462691 belongs to the category of electronic components, specifically a type of integrated circuit.

Basic Information Overview

• Use: The R21-1REF..00462691 is used as a voltage regulator in electronic circuits to maintain a stable output voltage.
• Characteristics: It is known for its high precision and low dropout voltage, making it suitable for applications requiring precise voltage regulation.
• Package: The R21-1REF..00462691 is typically available in a small surface-mount package.
• Essence: Its essence lies in providing reliable voltage regulation for various electronic devices.
• Packaging/Quantity: It is commonly available in reels containing multiple units, with specific quantities varying based on manufacturer specifications.

Specifications

• Input Voltage Range: 3V to 36V
• Output Voltage Range: 1.2V to 20V
• Output Current: Up to 1A
• Dropout Voltage: Typically 300mV at full load
• Operating Temperature Range: -40°C to 125°C
• Package Type: SOT-23

Detailed Pin Configuration

The R21-1REF..00462691 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

• Voltage Regulation: Maintains a stable output voltage despite variations in the input voltage or load conditions.
• Overcurrent Protection: Incorporates protection mechanisms to prevent damage due to excessive current flow.
• Thermal Shutdown: Automatically shuts down if the operating temperature exceeds safe limits.

Advantages and Disadvantages

Advantages

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

Disadvantages

• Limited maximum output current compared to higher power regulators
• May require additional heat sinking for certain high-power applications

Working Principles

The R21-1REF..00462691 utilizes internal feedback control mechanisms to compare the actual output voltage with a reference voltage. Any deviation results in adjustments to the internal circuitry to maintain the desired output voltage.

Detailed Application Field Plans

The R21-1REF..00462691 finds application in various electronic devices, including: - Battery-powered devices - Portable consumer electronics - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the R21-1REF..00462691 include: - LM317: A widely used adjustable voltage regulator with similar characteristics - LT1086: Offers higher output current capability for more demanding applications - LM1117: Suitable for low-power applications with its low dropout voltage

In conclusion, the R21-1REF..00462691 serves as a reliable voltage regulator with precise control and protection features, making it suitable for a wide range of electronic applications.

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