MX7837KR+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: MX7837KR+ is a high-performance voltage regulator IC designed for use in various electronic devices. It provides stable and regulated power supply to ensure proper functioning of the connected components.

Characteristics: - High efficiency - Low dropout voltage - Wide input voltage range - Overcurrent and thermal protection - Adjustable output voltage

Package: MX7837KR+ is available in a compact and durable surface mount package, which ensures easy installation and reliable performance.

Essence: The essence of MX7837KR+ lies in its ability to regulate voltage effectively, providing a consistent power supply to sensitive electronic components.

Packaging/Quantity: MX7837KR+ is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Input Voltage Range: 2.5V - 18V
• Output Voltage Range: 0.8V - 15V
• Output Current: Up to 3A
• Dropout Voltage: 0.2V at 1A
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

MX7837KR+ features a standard pin configuration with the following pins:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin
4. ADJ: Adjustable pin for setting the desired output voltage
5. EN: Enable pin for turning the regulator on/off

Functional Features

• High Efficiency: MX7837KR+ incorporates advanced circuitry that ensures high efficiency, minimizing power loss and maximizing battery life.
• Overcurrent and Thermal Protection: The IC is equipped with built-in protection mechanisms to safeguard against overcurrent and excessive heat, ensuring reliable operation under various conditions.
• Adjustable Output Voltage: The ADJ pin allows users to adjust the output voltage according to their specific requirements, providing flexibility in different applications.

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power consumption - Wide input voltage range enables compatibility with various power sources - Overcurrent and thermal protection enhance reliability and safety - Adjustable output voltage offers versatility in different applications

Disadvantages: - Dropout voltage may cause a slight voltage drop across the regulator - Quiescent current of 50µA may contribute to power consumption in standby mode

Working Principles

MX7837KR+ operates based on the principle of voltage regulation. It utilizes internal circuitry to compare the output voltage with a reference voltage and adjusts the current flow accordingly to maintain a stable output voltage, regardless of variations in the input voltage or load conditions.

Detailed Application Field Plans

MX7837KR+ finds extensive application in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable media players - Digital cameras - Wireless communication devices

Its ability to provide stable and regulated power supply makes it suitable for any application where consistent voltage levels are crucial for proper device operation.

Detailed and Complete Alternative Models

1. MX7836KR+: Similar to MX7837KR+, but with a lower output current capability of up to 2A.
2. MX7838KR+: Similar to MX7837KR+, but with a higher output current capability of up to 5A.
3. MX7839KR+: Similar to MX7837KR+, but with additional features such as adjustable current limiting and remote sensing.

These alternative models offer varying specifications and capabilities, allowing users to choose the most suitable option based on their specific requirements.

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