R2140 Product Overview

Product Category

The R2140 belongs to the category of integrated circuits (ICs) and is specifically designed as a voltage regulator.

Basic Information Overview

• Use: The R2140 is used to regulate voltage in electronic circuits, ensuring a stable and consistent power supply.
• Characteristics: It is known for its high efficiency, low dropout voltage, and excellent line and load regulation.
• Package: The R2140 is available in a compact surface-mount package, making it suitable for space-constrained applications.
• Essence: Its essence lies in providing reliable voltage regulation for various electronic devices and systems.
• Packaging/Quantity: The R2140 is typically packaged in reels or tubes, with varying quantities based on customer requirements.

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 1.2V to 20V
• Output Current: Up to 3A
• Dropout Voltage: 300mV at 3A
• Operating Temperature Range: -40°C to 125°C
• Package Type: Surface Mount (SMD)
• Package Size: 5mm x 5mm

Detailed Pin Configuration

The R2140 features a standard pin configuration with input, output, and ground pins, along with additional pins for enable and feedback control.

| Pin Name | Description | |----------|----------------------| | VIN | Input Voltage | | GND | Ground | | VOUT | Output Voltage | | EN | Enable Control | | FB | Feedback Connection |

Functional Features

• High Efficiency: The R2140 offers high efficiency, minimizing power loss during voltage regulation.
• Low Dropout Voltage: Its low dropout voltage ensures efficient operation even when the input voltage is close to the output voltage.
• Excellent Regulation: It provides precise line and load regulation, maintaining a stable output under varying conditions.

Advantages and Disadvantages

Advantages

• High efficiency
• Low dropout voltage
• Excellent regulation
• Compact package size

Disadvantages

• Limited maximum output current compared to some alternative models
• Sensitive to improper layout and decoupling

Working Principles

The R2140 operates based on the principle of feedback control, where it compares the actual output voltage to a reference voltage and adjusts the internal circuitry to maintain the desired output voltage. This feedback loop ensures stable and accurate voltage regulation.

Detailed Application Field Plans

The R2140 is widely used in various applications, including: - Portable electronic devices - Automotive electronics - Industrial control systems - Power management modules - Battery-powered equipment

Detailed and Complete Alternative Models

Some alternative models to the R2140 include: - R2150: Higher output current capability - R2130: Lower dropout voltage for ultra-low-power applications - R2160: Enhanced thermal performance for high-temperature environments

In conclusion, the R2140 serves as a reliable voltage regulator with high efficiency and precise regulation, catering to diverse electronic applications while offering a compact form factor. Its functional features and specifications make it a valuable component in modern electronic designs.

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