MXB7843EUE+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: MXB7843EUE+ is a high-performance voltage regulator IC designed for use in various electronic devices.

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

Package: The MXB7843EUE+ is available in a compact and durable 8-pin plastic package.

Essence: This IC serves as a reliable voltage regulator, ensuring stable and regulated power supply to connected electronic components.

Packaging/Quantity: The MXB7843EUE+ is typically sold in reels containing 2500 units per reel.

Specifications

• Input Voltage Range: 2.5V to 18V
• Output Voltage Range: 1.2V to 15V
• Dropout Voltage: 0.3V at 500mA
• Maximum Output Current: 1A
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MXB7843EUE+ features the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. NC: No connection
5. VOUT: Output voltage pin
6. NC: No connection
7. NC: No connection
8. NC: No connection

Functional Features

• High Efficiency: The MXB7843EUE+ exhibits high efficiency, minimizing power loss during voltage regulation.
• Low Dropout Voltage: With a low dropout voltage of 0.3V at 500mA, this IC ensures efficient power delivery even with small input-output voltage differentials.
• Wide Input Voltage Range: The IC can accept input voltages ranging from 2.5V to 18V, making it suitable for a wide range of applications.
• Overcurrent and Thermal Protection: MXB7843EUE+ incorporates overcurrent and thermal protection mechanisms, safeguarding the IC and connected devices from damage.
• Adjustable Output Voltage: The output voltage can be easily adjusted within the range of 1.2V to 15V, providing flexibility in various applications.

Advantages and Disadvantages

Advantages: - High efficiency ensures minimal power loss - Wide input voltage range allows versatile usage - Overcurrent and thermal protection enhance reliability - Adjustable output voltage provides flexibility

Disadvantages: - Limited maximum output current (1A) - Dropout voltage may affect performance in low voltage scenarios

Working Principles

The MXB7843EUE+ operates as a linear voltage regulator. It regulates the output voltage by comparing the reference voltage with the feedback voltage obtained from the output. By adjusting the resistance between the feedback pin and ground, the desired output voltage can be set. The internal circuitry ensures stable voltage regulation even under varying load conditions.

Detailed Application Field Plans

The MXB7843EUE+ finds applications in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable media players - Digital cameras - Wireless communication devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MXB7843EUE+ include: - LM317T - LT1084CP - ADP3339AKCZ

These alternatives can be considered based on specific requirements and availability.

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