Maxim Integrated
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MAX1790EUA+
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MAX1790EUA+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX1790EUA+ belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

  • High efficiency
  • Low dropout voltage
  • Wide input voltage range
  • Adjustable output voltage
  • Current limit protection

Package

The MAX1790EUA+ comes in a small 8-pin µMAX package.

Essence

This voltage regulator is designed to provide stable and reliable power supply to various electronic devices.

Packaging/Quantity

The MAX1790EUA+ is typically packaged 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 VIN - 0.3V
  • Dropout Voltage: 120mV at 100mA load
  • Maximum Output Current: 100mA
  • Quiescent Current: 40µA (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX1790EUA+ has the following pin configuration:

  1. GND (Ground)
  2. FB (Feedback)
  3. EN (Enable)
  4. VOUT (Output Voltage)
  5. NC (No Connection)
  6. NC (No Connection)
  7. IN (Input Voltage)
  8. GND (Ground)

Functional Features

  • High Efficiency: The MAX1790EUA+ offers high efficiency, minimizing power loss during voltage regulation.
  • Low Dropout Voltage: With a low dropout voltage, this regulator can maintain a stable output even when the input voltage is close to the desired output voltage.
  • Wide Input Voltage Range: It can accept a wide range of input voltages, making it suitable for various applications.
  • Adjustable Output Voltage: The output voltage can be adjusted within a specified range to meet specific requirements.
  • Current Limit Protection: The regulator incorporates current limit protection to prevent damage due to excessive current.

Advantages and Disadvantages

Advantages

  • High efficiency ensures minimal power loss.
  • Wide input voltage range allows for versatile use.
  • Adjustable output voltage provides flexibility.
  • Current limit protection safeguards against damage.

Disadvantages

  • Limited maximum output current may not be suitable for high-power applications.
  • Dropout voltage may affect performance in low-input voltage scenarios.

Working Principles

The MAX1790EUA+ operates as a linear voltage regulator. It regulates the output voltage by adjusting the resistance between the input and output terminals. This adjustment is achieved through an internal feedback mechanism that compares the output voltage with a reference voltage. By continuously monitoring and adjusting the resistance, the regulator maintains a stable output voltage despite variations in the input voltage.

Detailed Application Field Plans

The MAX1790EUA+ finds applications in various electronic devices, including but not limited to: - Battery-powered devices - Portable electronics - IoT devices - Embedded systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MAX1790EUA+ include: - LM1117-3.3 - LT1761ES5-3.3 - MCP1700-3302E/TO

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

In conclusion, the MAX1790EUA+ is a voltage regulator known for its high efficiency, wide input voltage range, and adjustable output voltage. While it has limitations in terms of maximum output current and dropout voltage, it offers reliable voltage regulation for various electronic devices.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX1790EUA+ v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MAX1790EUA+ in technical solutions:

  1. Q: What is the MAX1790EUA+? A: The MAX1790EUA+ is a high-efficiency, low-quiescent current, step-up DC-DC converter.

  2. Q: What is the input voltage range of the MAX1790EUA+? A: The input voltage range of the MAX1790EUA+ is typically between 0.7V and 5.5V.

  3. Q: What is the output voltage range of the MAX1790EUA+? A: The output voltage range of the MAX1790EUA+ can be set from 2.5V to 5.5V using external resistors.

  4. Q: What is the maximum output current of the MAX1790EUA+? A: The maximum output current of the MAX1790EUA+ is 100mA.

  5. Q: Can the MAX1790EUA+ operate with a single-cell lithium-ion battery? A: Yes, the MAX1790EUA+ can operate with a single-cell lithium-ion battery as its input voltage falls within the specified range.

  6. Q: Does the MAX1790EUA+ have built-in overcurrent protection? A: No, the MAX1790EUA+ does not have built-in overcurrent protection. External circuitry may be required for overcurrent protection.

  7. Q: Is the MAX1790EUA+ suitable for low-power applications? A: Yes, the MAX1790EUA+ is designed for low-power applications due to its low quiescent current and high efficiency.

  8. Q: Can the MAX1790EUA+ be used in battery-powered devices? A: Yes, the MAX1790EUA+ is suitable for battery-powered devices as it can efficiently step up the voltage from a low input source.

  9. Q: Does the MAX1790EUA+ require external components for operation? A: Yes, the MAX1790EUA+ requires external components such as input/output capacitors and resistors to set the output voltage.

  10. Q: What is the package type of the MAX1790EUA+? A: The MAX1790EUA+ is available in an 8-pin µMAX package, which is a small surface-mount package.

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.