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MAX1820XEUB+
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MAX1820XEUB+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)

Use: The MAX1820XEUB+ is a voltage regulator IC designed for use in various electronic devices. It provides a stable output voltage, making it suitable for applications that require precise power supply.

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

Package: The MAX1820XEUB+ comes in a small 10-pin µMAX package, which allows for space-saving integration into compact electronic designs.

Essence: This voltage regulator IC ensures reliable and efficient power supply to electronic circuits, enhancing their performance and longevity.

Packaging/Quantity: The MAX1820XEUB+ is typically available in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

  • Input Voltage Range: 2.5V to 6.5V
  • Output Voltage Range: 1.25V to 5.5V
  • Dropout Voltage: 120mV at 100mA load current
  • Maximum Output Current: 500mA
  • Quiescent Current: 50µA (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX1820XEUB+ features the following pin configuration:

  1. GND (Ground)
  2. FB (Feedback)
  3. EN (Enable)
  4. VOUT (Output Voltage)
  5. VOUT (Output Voltage)
  6. VOUT (Output Voltage)
  7. VOUT (Output Voltage)
  8. VIN (Input Voltage)
  9. VIN (Input Voltage)
  10. VIN (Input Voltage)

Functional Features

  • High Efficiency: The MAX1820XEUB+ exhibits high efficiency, minimizing power loss and maximizing battery life in portable devices.
  • Low Dropout Voltage: With a low dropout voltage, this IC can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
  • Wide Input Voltage Range: The IC can accept a wide range of input voltages, making it versatile for various applications.
  • Adjustable Output Voltage: The output voltage can be adjusted within the specified range, providing flexibility for different circuit requirements.
  • Overcurrent and Thermal Protection: The MAX1820XEUB+ incorporates protection mechanisms to prevent damage from excessive current or temperature.

Advantages and Disadvantages

Advantages: - High efficiency leads to improved power utilization. - Wide input voltage range allows for compatibility with different power sources. - Adjustable output voltage provides versatility. - Overcurrent and thermal protection ensure device safety.

Disadvantages: - Limited maximum output current may restrict usage in high-power applications. - Requires external components for proper operation.

Working Principles

The MAX1820XEUB+ operates as a linear voltage regulator. It regulates the output voltage by comparing the feedback voltage (FB pin) with a reference voltage. By adjusting the resistance connected to the FB pin, the output voltage can be set within the specified range. The internal circuitry ensures stable output voltage despite variations in input voltage and load conditions.

Detailed Application Field Plans

The MAX1820XEUB+ finds application in various electronic devices, including but not limited to: - Battery-powered devices - Portable audio players - Mobile phones - Digital cameras - Handheld gaming consoles

Its ability to provide a stable and efficient power supply makes it suitable for these applications, ensuring reliable performance and extended battery life.

Detailed and Complete Alternative Models

  1. LM317: A popular adjustable linear voltage regulator with similar characteristics.
  2. LT1084: A high-current linear voltage regulator capable of delivering up to 5A.
  3. LM1117: A low dropout voltage regulator suitable for battery-powered applications.

These alternative models offer similar functionality and can be considered as substitutes for the MAX1820XEUB+ depending on specific requirements.

In conclusion, the MAX1820XEUB+ is a versatile voltage regulator IC that provides stable power supply in various electronic devices. Its high efficiency, adjustable output voltage, and protection features make it an excellent choice for applications requiring precise power regulation.

Word count: 570 words

Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van MAX1820XEUB+ in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of MAX1820XEUB+ in technical solutions:

  1. Q: What is the MAX1820XEUB+? A: The MAX1820XEUB+ is a high-efficiency, low-quiescent-current, step-up DC-DC converter.

  2. Q: What is the input voltage range of the MAX1820XEUB+? A: The input voltage range of the MAX1820XEUB+ is typically between 0.8V and 5.5V.

  3. Q: What is the output voltage range of the MAX1820XEUB+? A: The output voltage range of the MAX1820XEUB+ can be set from 1.8V to 5.5V using external resistors.

  4. Q: What is the maximum output current of the MAX1820XEUB+? A: The maximum output current of the MAX1820XEUB+ is typically 200mA.

  5. Q: Can the MAX1820XEUB+ operate with a single-cell Li-ion battery? A: Yes, the MAX1820XEUB+ can operate with a single-cell Li-ion battery as its input voltage falls within the specified range.

  6. Q: Does the MAX1820XEUB+ have built-in overcurrent protection? A: Yes, the MAX1820XEUB+ has built-in overcurrent protection to safeguard against excessive load currents.

  7. Q: Is the MAX1820XEUB+ suitable for battery-powered applications? A: Yes, the MAX1820XEUB+ is well-suited for battery-powered applications due to its low quiescent current and high efficiency.

  8. Q: Can the MAX1820XEUB+ be used in portable devices such as smartphones or tablets? A: Yes, the MAX1820XEUB+ can be used in portable devices like smartphones and tablets to efficiently boost the battery voltage.

  9. Q: Does the MAX1820XEUB+ require any external components for operation? A: Yes, the MAX1820XEUB+ requires a few external components such as input/output capacitors and resistors to set the output voltage.

  10. Q: What is the typical efficiency of the MAX1820XEUB+? A: The typical efficiency of the MAX1820XEUB+ is around 90%, making it an energy-efficient choice for various applications.

Please note that these answers are general and may vary depending on specific application requirements. It's always recommended to refer to the datasheet and consult the manufacturer for detailed information.